AFM feedback doing lots of highway km's

[BLACKVE]

Whats peoples feedback on cars with AFM(had 2 VE SS but both manuals), looking at a 09 SS for the girl(she can't drive manual Drrr) she will do about 100km's a day 80% on the highway so the afm i guess will be running a fair bit. I know about rattley motors but with 9000km's on the one we drove theres seems no issues. Is it a good system

Car will have no mods probally(famous last words):jester:

[afmss]

ive just clocked up 70 000klm on my afm cammed ss,no issues todate,i love seeing 7.5 l/100 on the fuel meter.they go great with a oztrack gear box tune,and otr/mafless tune combo.

[macca_779]

ive just clocked up 70 000klm on my afm cammed ss,no issues todate,i love seeing 7.5 l/100 on the fuel meter.they go great with a oztrack gear box tune,and otr/mafless tune combo.

So do I on my cammed ls1 :stick:

[BLACKVE]

ive just clocked up 70 000klm on my afm cammed ss,no issues todate,i love seeing 7.5 l/100 on the fuel meter.they go great with a oztrack gear box tune,and otr/mafless tune combo.

7.5l thats pretty good, was it better after tune??? i heard the gearbox's aren't the best but on small test drive seemed better than any 4spd auto i had in the past. She's currently driving a landcruiser thats on gas guzzling 20l easy so the ss will be heaps cheaper to run. What speed does it kick into 4cyl mod she'll be doing heaps on 100km/h stuff with a bit of 80 and 60.

[BLACKVE]

So do I on my cammed ls1 :stick:

i had 8.7 the otherday with a 232/234 M6 with 3.9's getting sucked along by a semi at 100km but:) normally about 10.5

[boggers007]

i believe it will kick in over 50k's. So it will def be working cruising at anything from 60upwards. You will be able to hear the 4cyclinders engage when u plant your foot when cruising on a 60k street.

[macca_779]

i had 8.7 the otherday with a 232/234 M6 with 3.9's getting sucked along by a semi at 100km but:) normally about 10.5

AFM is a wank. Still got parasitic loss of turning 8 cylinders. You can lean off all 8 more than you can 4 to get very similar results.


Sent from my iPad 2 using Tapatalk

[Roonstain]

I had trips that had fuel usage of 6.xx L/100kms many times when I had AFM (with OTR and tune) - including heading from Wollongong to Campbelltown (using Picton Rd)
It certainly works well when time is spent on the tune properly.

That being said, I pissed all the AFM gear off and put in a proper cam

[Plenty]

AFM is a wank.

Disagree, i have one and have got 800k's to a tank travelling rural, the same trip in a manual at the same time achieved i think 680! He had to refuel to get home, i didn't.

It only gets better with a tune as well!

[fishla]

No problems here :)

Does sound average in 4cyl mode with an aftermarket exhaust though.
No problem with the stock system.

[HOT_VYSS]

OZTrack tuned mine as well. I got the AFM turned off so it wouldn't affect the sound of the new exhaust. Still getting 9.7L/100kms and it sounds great 100% of the time.

[Hos]

I find my AFM kicks in at speeds as low as 30kph. Cuts in and out when cruising at 110ish depending on load/gradient etc. Have had no issues with the wagon at all. Don't 27xxx km now.

Mine is stock in terms of tune, intake etc and I don't think the AFM really accounts for any savings, more so driving style and average speeds etc.

I generally get an average of 13.5-14.9 L/100'with an average speed of 40kph. This is combined town/highway driving being very 'spirited'. If I am sensible I see it drop into the 12's.

Would I buy another AFM auto after having owned a M6 VE SS? Yes, without a second thought if an auto was required. We got our wagon auto as that's what my wife wanted in a family car.

[Wonky]

For a stock car I don't see any real problems with AFM apart from the potential for lifters to die (probably only in a very small percentage of cars). I only had AFM for a short period till it was turned off in the tune but my wife (who is relatively good on car stuff for a female) couldn't even pick when it went in and out of AFM mode with my full 3" KPM system. I gather most other exhausts are terrible when in AFM mode.

I never got a chance to try out the economy on a trip before I had AFM turned off, but now even with small cam and around 285rwkw I can get down to 9.1 on a 30+km highway trip (AFM gear was removed when cam went in).

As Roonstain said, a good exhaust, OTR and tune can see you into the 6s with AFM. FWIW I never heard/felt mine go into AFM mode except at around 100kph on the freeway. :(

[Epic_Dragon]

my ute is AFM. averages 11.6L per 100 doing mix ot country roads and town. very good economy to melbourne and back from adelaide. if your in the market for a ute, mines forsale, only 7 month old.

[raff]

I have a HM catback with stock rear cans and otr, no tune as yet and can't pick when it drops in and out in the wagon- the series 2 have a bellow between the headers and cats and along with some of the series 1 AFMs have a rear flexi pipe before the rear muffler to aid AFM against rattle- maybe when I up my headers it may be more noticeable but despite a few tuners who prefer to get rid of it- I like it!

I do alot of fwy kms and not that the instantaneous usage on the trip meter is perfect but it does drop 3-4lt/ 100 when back at four cylinders. From my reading I think the consensus seems to be if not planning on tuning it is a good thing, however once properly tuned it makes much less and in some cases negligible difference to fuel economy.

[jca]

Hi, my wife has one if ur going to leave std all good, but i couldn't help myself ended up full exhuast, small cam, otr (afm removed) 8-9litres per100 open road 14-15 round town pretty much bout 1 litre more then std afm depends how flat of a road u drive on . I reckon next time we will buy a m6 each to there own but. regards Jason

[BLACKVE]

Hi, my wife has one if ur going to leave std all good, but i couldn't help myself ended up full exhuast, small cam, otr (afm removed) 8-9litres per100 open road 14-15 round town pretty much bout 1 litre more then std afm depends how flat of a road u drive on . I reckon next time we will buy a m6 each to there own but. regards Jason

Yeh the misses will be on flat road at 110 most of the time so the economy should be pretty good i hope, my 239/247 VE SS ute gets about 12 on the highway running E85 fuel and 18>20l around town.

Will interesting to drive a stock car again puts you back to where you started although the auto has only 260kw she'll be happy.

[chillicatqld]

Must need hearing aids if you cannot pick on non-stock exhausts when AFM kicks in. I put a set off HSV mufflers (no other changes) on my mates AFM wagon and it sounds shite when it goes in 4cyl mode. I would hate to hear it with any other exhaust mods!

[Plenty]

Must need hearing aids if you cannot pick on non-stock exhausts when AFM kicks in. I put a set off HSV mufflers (no other changes) on my mates AFM wagon and it sounds shite when it goes in 4cyl mode. I would hate to hear it with any other exhaust mods!

Stock the only time i could tell mine was on, was a slight flutter or vibration on the steering wheel, full exhaust later and you still can't really hear it.

Put cheap junk on the car and it will drone terribly!

[Martin_D]

All of the popular shiny Chinese exhausts around for the VE make a terrible noise with the AFM operating. Thats not the exhausts fault. All the marketing hype of a 'True V8 Supercar Note' from thin walled lightpacked cheap mufflers gives the AFM effect a nasty dull vibrating roar when it kicks in. You cant have your cake and eat it. The smaller 2.5 inch XForce doesnt sound too bad in a cat back in 4cyl mode though. It would be my pick :)

BlackVE get some data running the car for a while, then lets soup up the AFM settings some and measure the improvement in real world economy. We have done lots of this work over the years and got some really good results.

[AllWheelSlide]

Stock the only time i could tell mine was on, was a slight flutter or vibration on the steering wheel, full exhaust later and you still can't really hear it.

Put cheap junk on the car and it will drone terribly!

I find it interesting how many people they can't pick when AFM kicks in. I can and it is as per Plenty says, a slight vibration and flutter in the exhaust. But then again I am more picky/sensitive to car changes than most people I know.

As for cheap exhausts, I talked to one well known exhaust shop and they claimed AFM sounded bad across the board with any exhaust (I am calling B/S there), but what was more shocking was they then said we can disable AFM for another $250. (10 minutes work + token + overheads = $250, I think not.)

[raff]

I wonder if the bellow between the manifold and cats on the series 2 makes a difference because I would bet a 6 pack that anyone could consistently pick when AFM kicks in on my HM catback wagon (with stock rear cans). No flutter and anything above 60 cruising wind/road noise is louder than exhaust note!

[calais190]

For what it's worth, I'm running AFM with my 2.5" KPM catback and when in 4cyl mode, it doesn't sound bad at all. It actually gets deeper when the cylinders drop off. The only thing you can hear is the change between each mode - it makes a popping flutter sound when it swaps between 4cyl and 8cyl. Other than that, it doesn't sound bad at all!

As for fuel, i have a VCM OTR and catback and get 8.5l/100km highway, 12l/100km local on 98 and 10.5l/100km highway, 14l/100km local on e85.

[AllWheelSlide]

What do you mean bellow? Can you take a pic and post up please.
I have what looks like the worlds ugliest Cats (pretty big too) just under manifold on my 2010 S1 SSV.

[raff]

What do you mean bellow? Can you take a pic and post up please.
I have what looks like the worlds ugliest Cats (pretty big too) just under manifold on my 2010 S1 SSV.

I think only the series 2 had the 'bellow'
http://i1188.photobucket.com/albums/z417/raffzzz/SS%20Sportwagon/IMG_8545.jpg

The cats are still ugly though!

[AllWheelSlide]

Hey thanks for that. I'll have a look at my S1.

[AllWheelSlide]

Just got home and had a look. My S1 has them as well.

[gmh308]

AFM is a wank. Still got parasitic loss of turning 8 cylinders. You can lean off all 8 more than you can 4 to get very similar results.




Bollix! :) Yes there is "parasitic" friction of the 4 deactivated cylinders, but this is more than offset by the increased efficiency of the other 4 cylinders still running.

[Plenty]

The smaller 2.5 inch XForce doesnt sound too bad in a cat back in 4cyl mode though. It would be my pick :)



Each to their own but the KPM would be and was my pick! No drone in AFM mode at all just that slight vibration/flutter through the wheel, and of course the best sound @ WOT.

[BLACKVE]

Cheers for the feedback guys, probally won't do the exhaust and stupid me sold my otr few months back but you never know.

The girl will drive 95% of the time so its her call for mods, but if the auto's a bit average a tune might help martin:)

[lumina ss]

10,000 km 98% freeway mix of 100 and 110kph average economy is 10.2 l/100km

[fishla]

Guys, even in the 'premium' exhauts, the AFM still sounds crap in 4cyl mode.

It depends how fussy you are, i guess. Or if you believe everything you read on the internet :)

[Plenty]

Guys, even in the 'premium' exhauts, the AFM still sounds crap in 4cyl mode.

It depends how fussy you are, i guess. Or if you believe everything you read on the internet :)

Well as the KPM doesn't drone and it's at cruise that the AFM is active it's near on impossible to hear it, you actually feel it mostly.

So sorry i would have to disagree, VCM and KPM sound quite alright.

[Wonky]

Guys, even in the 'premium' exhauts, the AFM still sounds crap in 4cyl mode.

It depends how fussy you are, i guess. Or if you believe everything you read on the internet :)

Well as the KPM doesn't drone and it's at cruise that the AFM is active it's near on impossible to hear it, you actually feel it mostly.

So sorry i would have to disagree, VCM and KPM sound quite alright.

Absolute :bs: Andy!! My wife has been in all my modified cars for 35 years now and knows much more than the average female about cars and mods. The night James came home with his ute cammed she heard him from inside the house as he drove in the driveway and without hesitation said "he's just had the cam done hasn't he?" and I could give you plenty of other examples too.

I drove along Mornington Peninsula freeway with her letting my car go in and out of AFM mode and she absolutely could not pick when it did. As Plenty says, I myself could feel it more than hear it though if you really listened there was a very slight change in sound, but so subtle as to be effectively non existent! :yup: I can't pass comment on the VCM as have never heard one.

[fishla]

I guess people will have to decide for themselves.

Like i said, don't believe everything you read online :)

[Wonky]

Maybe not but can you discredit the experiences of those who have discovered for themselves with certain systems? (Three I've read about in this short thread already with a certain well regarded brand. :p)

Or are you suggesting we're all lying? I'll get my wife to :nutkick: you if so!! :lol:

[Martin_D]

Guys, even in the 'premium' exhauts, the AFM still sounds crap in 4cyl mode. It depends how fussy you are, i guess. Or if you believe everything you read on the internet :)

Nothing wrong with a good shiny Chinese exhaust, they work well in application :lol:

Regardless of your exhaust choice though - Holden - spend a LOT of time in engineering making the switch to AFM as unobtrusive to the driver as possible. There is a lot more sound wave reflection deadening technology in their mufflers than in anything from the aftermarket which are in general packed straight through cheapies rather than anything with acoustic design as part of the brief.

Therefore - aftermarket exhausts as a whole WILL make a lot more noise than factory when AFM activates - and due to the engine running on 4 cylinders - will sound like crap to most ears that are trained to the firing cycle of an 8 cylinder engine. It doesnt matter which brand of exhaust you support, these are the simple facts. The rest is smoke and mirrors for the marketeers :cool:

[Plenty]

Nothing wrong with a good shiny Chinese exhaust, they work well in application :lol:

Regardless of your exhaust choice though - Holden - spend a LOT of time in engineering making the switch to AFM as unobtrusive to the driver as possible. There is a lot more sound wave reflection deadening technology in their mufflers than in anything from the aftermarket which are in general packed straight through cheapies rather than anything with acoustic design as part of the brief.

Therefore - aftermarket exhausts as a whole WILL make a lot more noise than factory when AFM activates - and due to the engine running on 4 cylinders - will sound like crap to most ears that are trained to the firing cycle of an 8 cylinder engine. It doesnt matter which brand of exhaust you support, these are the simple facts. The rest is smoke and mirrors for the marketeers :cool:

The KPM is so unobtrusive at cruise though so i doubt even you would hear it more than me or anyone else that lives with the car.
So i would have to disagree with you as well, it does matter what exhaust you choose, i went from one sponsors system :eeew: to the KPM and difference in AFM and the overall sound was night and day.

[Martin_D]

I dont care whose aftermarket system it is, none of them (other than maybe H&M) would comply with any current drive by noise regulation, which means - all - are louder than stock, hence you - will - hear the AFM activate, when its fairly obvious on a stock car. Some systems have worse mufflers than others making the activation louder.

[jono0309]

Absolute :bs: Andy!! My wife has been in all my modified cars for 35 years now and knows much more than the average female about cars and mods. The night James came home with his ute cammed she heard him from inside the house as he drove in the driveway and without hesitation said "he's just had the cam done hasn't he?" and I could give you plenty of other examples too.



That is hilarious! I have been with my girlfriend with a year, and these days she is going..."aww look at that hot ute dumped on 20s" & "that is so lumpy".
Gotta love 'em!

[fishla]

Regardless of your exhaust choice though - Holden - spend a LOT of time in engineering making the switch to AFM as unobtrusive to the driver as possible. There is a lot more sound wave reflection deadening technology in their mufflers than in anything from the aftermarket which are in general packed straight through cheapies rather than anything with acoustic design as part of the brief.

Therefore - aftermarket exhausts as a whole WILL make a lot more noise than factory when AFM activates - and due to the engine running on 4 cylinders - will sound like crap to most ears that are trained to the firing cycle of an 8 cylinder engine. It doesnt matter which brand of exhaust you support, these are the simple facts. The rest is smoke and mirrors for the marketeers :cool:

Agree 100% with you there Martin :)

I have driven plenty of VE's with AFM/Non AFM and probably close to every different exhaust combination. I can always hear the tone change from 8cyl to 4cyl and vice versa.

FWIW i have HM cat back (3" with 1/78 headers and ballistic cats) so, yes i have the yuk 4cyl noise when it changes.
I however, don't do long trips and the car is only used by me in the family.

[Wonky]

The KPM is so unobtrusive at cruise though so i doubt even you would hear it more than me or anyone else that lives with the car.
So i would have to disagree with you as well, it does matter what exhaust you choose, i went from one sponsors system :eeew: to the KPM and difference in AFM and the overall sound was night and day.

Agree 100% Plenty!! :yup: The change in sound when my full 3" KPM system went into AFM mode was so subtle as to be almost imperceptible. As I've already said on here a few times even my wife who knows her stuff with modded cars better than most females could not tell whether it was in AFM mode or not. I could tell as much from feel of the slight unevenness when in AFM mode than the sound.

[calais190]

I dont care whose aftermarket system it is, none of them (other than maybe H&M) would comply with any current drive by noise regulation, which means - all - are louder than stock, hence you - will - hear the AFM activate, when its fairly obvious on a stock car. Some systems have worse mufflers than others making the activation louder.

Do you have experience with an AFM car with aftermarket exhaust? You actually don't really hear it activate at all. However, you do hear it de-activate (transition back from 4cyl to 8cyl).

The exhaust brand/type makes a HUGE difference. Everyone I spoke to recommended the 2.5" KPM if retaining AFM as it was the BEST to handle the sound. I think it handles it extremely well.

[Martin_D]

No I have never seen an AFM car before let alone one with an exhaust, sorry for commenting :lol:

[calais190]

No I have never seen an AFM car before let alone one with an exhaust, sorry for commenting :lol:

It was a simple question. Being a smartass all the time just sh!ts people. All I wanted to know was if you had experience with it i.e. do you own one and have you lived with an aftermarket exhaust with AFM. If so, what did you find was the problem?

I imagine you will reply with another stupid comment, so don't bother replying to my questions. I don't care for your opinion anymore.

[Martin_D]

Agree 100% with you there Martin :)
I have driven plenty of VE's with AFM/Non AFM and probably close to every different exhaust combination. I can always hear the tone change from 8cyl to 4cyl and vice versa.

Dont tell lies on here and upset the kids.
I have only tuned around 50 - 80 AFM cars with various different exhausts (every one of the systems mentioned in this thread anyway), had one in the stable since the first week they were released, and I am telling the same lies as you. Dropping half the engine cylinders changes the note. Either that or we are recipients of the bionic ear :)

Stock system = quietest (and AFM operation can be heard - just)
Aftermarket system = louder and can be heard easily some easier than others

If you cant hear AFM with your aftermarket exhaust then get some of these things and clean your bloody ears out :cool:
http://tenerifeonlineshopping.com/userfiles/image/cotton_buds.jpg

[ratter]

some people can't hear their car ping or their diff whine, these people will not hear the difference in exhaust notes

[Plenty]

Dont tell lies on here and upset the kids.
I have only tuned around 50 - 80 AFM cars with various different exhausts (every one of the systems mentioned in this thread anyway), had one in the stable since the first week they were released, and I am telling the same lies as you. Dropping half the engine cylinders changes the note. Either that or we are recipients of the bionic ear :)

Stock system = quietest (and AFM operation can be heard - just)
Aftermarket system = louder and can be heard easily some easier than others

If you cant hear AFM with your aftermarket exhaust then get some of these things and clean your bloody ears out :cool:
http://tenerifeonlineshopping.com/userfiles/image/cotton_buds.jpg

So 4 people on here with an KPM/AFM equipped car that have covered more k's in one than you've had hot breakfasts are wrong/lying? :rolleyes:

[Wonky]

some people can't hear their car ping or their diff whine, these people will not hear the difference in exhaust notes

That statement only goes to prove that with some exhausts eg. KPM as stated by 3 KPM owners including myself on here, that the change is therefore quite subtle. :goodjob:

[ratter]

you are possibly quite correct, but mine was a general statement about some car owners.

[BLACKVE]

This will be one SS that takes the kid to school and her to work avg about 90km's a day so interesting to see the fuel economy. Doing the exhaust really dosen't interest me/her as the KPM with a 239/247 is sweet enough for us.

[BLACKVE]

I have only tuned around 50 - 80 AFM cars

Whats a general gain on these same as a L98???

[Martin_D]

Tiny bit less normally, around 1 - 2% less, but near enough as makes no difference :)

[BLACKVE]

Well there is a sep 09 SS in poison ivy sitting out the front with 9800kms on it, after a silly check light drama(battery reset) Can feel the AFM kick in and was on most of the way home. Will post the stock fuel economy figures after a week or so

[Oztrack Tuning]

If people want to retain AFM and have it work well, they are best keeping small primary extractors and maybe even stock cats. If you dont do this the cars can lose a lot of torque on 4 cyl. Often cars with the typical mods to extractors lose a heap of torque below 2000rpm only when on 4cylinders. Staying below 1"3/4 primaries will help this.

The only way also to retain AFM and enjoy the car is to keep it very quiet or if there is any degree of "droney" tone at all, it will spoil the car when switching from 4-8-4-8 etc.

I have found that most of our dod-removed cam upgraded cars to Stealth II are getting fuel economy better on 8 than the majority of AFM active cars can get. Some of the AFM enabled cars are good but rarely would they be more than 0.6L/100km better on a trip than a smartly modded car even with a small-medium cam.

[raff]

Good info Oz- I did 80km driving today with a decent chunk of fwy driving with the AfM cycling away and I have to be honest- I can't pick it, maybe the sqeaky seat or standard built in Holden rattles are cleverly engineered to hide the AFM! My HM catback with stock rear cans does pretty much sound stock, maybe slightly deeper.

I will up the headers and try some HSVs which will have smaller primaries and hi flow cats in the next few weeks and see if it becomes more obvious- if I have to get it switched off I may as well get the dod removed and get a sensible Oztrack cam to compensate!

And BlackVE- a new purchase or a borrowed rig?

[Martin_D]

Raff, in a lot of instances where cars have been tuned previously the tuner has disabled AFM without intending to do so (its possible if you dont know what you are doing) hence it cannot be heard 'kicking in' after that.

[raff]

Raff, in a lot of instances where cars have been tuned previously the tuner has disabled AFM without intending to do so (its possible if you doNnt know what you are doing) hence it cannot be heard 'kicking in' after that.
No tune in my car mate!

[BLACKVE]

And BlackVE- a new purchase or a borrowed rig?

For the Misses to replace her 540000km landcruiser so we have a 04 SV8 with 54000km's a 08 SS ute with 16000 and a MY10 09 SS with 9500km's.

She said the car ran on 4cyl about 80% of the way to work.

[AllWheelSlide]

She said the car ran on 4cyl about 80% of the way to work.

How much of that is downhill?
I never see it that good, must be the lead shoes I wear :-)

[BLACKVE]

How much of that is downhill?
I never see it that good, must be the lead shoes I wear :-)

Just flat roads, she lives past gawler and travels to elizabeth for work so good roads.

she avg 11.4 today and half was city traffic coming back to my place so not to bad, utes on 17L with avg speed at 70/kmh on E85.

[AllWheelSlide]

That average (11.4) lines up with what I see roughly. Sometimes a little better, sometimes worse.
Expecting this Thursday at Willall to have some interesting outcomes. ;-}

[AllWheelSlide]

Whats a general gain on these same as a L98???

Today, a safe tune yielded more than 10% gain. Definitely step up in torque. No noticeable change in fuel usage (yet). If desired I might be able to post up dyno plot.
As i now have the ability to switch tunes Martin wants me to try jungle juice (e85) and see what that spins up.

[BLACKVE]

Today, a safe tune yielded more than 10% gain. Definitely step up in torque. No noticeable change in fuel usage (yet). If desired I might be able to post up dyno plot.
As i now have the ability to switch tunes Martin wants me to try jungle juice (e85) and see what that spins up.


I'm getting about 13L with e85 on the higway with a 239/247 cam avg in town around 19L the E85 change is about 20% more use but car runs better, cold starts not that bad in the really cold mornings.

I'm alowwed to drive the SS sedan to work tommorow :)

[BLACKVE]

Got 9.1l going to work this morning so not bad 4cly mode 80% of the time even on 4 at 65 with cruise, not a big fan of the auto car dosn't slow when you take your foot off but it's a nice change to have a cruiser that's quite and dosn't attract the cops think she'll stay standard apart from a otr/tune:1peek:

Bloody oil ranout like water so 10w60 edge going in.

[AllWheelSlide]

Which otr?
Also be interested to see before and after results.

[BLACKVE]

http://i256.photobucket.com/albums/hh170/impluseve/P6300005.jpg

She's pretty

[1UZTT]

I didn't notice a big change (owned a VE SS and VE SS II) in fuel economy, but I don't do highway miles - I do in city driving.

[BLACKVE]

I guess the AFM saves a bit of fuel but when a 232/234 cammed VY SV8 M6 with 3.9 gears can get 10l per hundred doing similar roads why is the VE only on 10.8L avg done 11000km's so might still be running in a bit.

[calais-346]

Ve's have a large frontal area which affects fuel economy in a bad way, you'll never get a VE to have the fuel economy of a VY/VZ mod for mod.

[redvxr8clubby]

http://i256.photobucket.com/albums/hh170/impluseve/P6300005.jpg

She's pretty

I have one that looks exactly the same, sadly mine runs in 6 cyl mode 100% of the time. Poison Ivy looks great.

[macca33]

I guess the AFM saves a bit of fuel but when a 232/234 cammed VY SV8 M6 with 3.9 gears can get 10l per hundred doing similar roads why is the VE only on 10.8L avg done 11000km's so might still be running in a bit.
This is the thing mate. I know I only have an LS1, but mine making 290+rwkW runs to 8.9 - 9.1lt/100kph on a trip (100 & 110Kph combined, over 300+km distance) and in combined outer suburban / rural driving gets to about 10.7-11lt/100km. Around town - if used purely for ballet / school dad duties for a week, it gets up to about 16lt/100 - with a lot of idling, scaring schoolchildren and pregnant mothers, etc.

Today, after a spirited cruise through the hills, which ended up with a 50km @100-110Kph trip home, I ended up at 12.6lt/100km.

I think the AFM is more marketing over substance, although, I could be mistaken....

cheers

[Soopy]

This is the thing mate. I know I only have an LS1, but mine making 290+rwkW runs to 8.9 - 9.1lt/100kph on a trip (100 & 110Kph combined, over 300+km distance) and in combined outer suburban / rural driving gets to about 10.7-11lt/100km. Around town - if used purely for ballet / school dad duties for a week, it gets up to about 16lt/100 - with a lot of idling, scaring schoolchildren and pregnant mothers, etc.

Today, after a spirited cruise through the hills, which ended up with a 50km @100-110Kph trip home, I ended up at 12.6lt/100km.

I think the AFM is more marketing over substance, although, I could be mistaken....

cheers

Here's a beer.

*Beer* :cheers:

[Plenty]

This is the thing mate. I know I only have an LS1, but mine making 290+rwkW runs to 8.9 - 9.1lt/100kph on a trip (100 & 110Kph combined, over 300+km distance) and in combined outer suburban / rural driving gets to about 10.7-11lt/100km. Around town - if used purely for ballet / school dad duties for a week, it gets up to about 16lt/100 - with a lot of idling, scaring schoolchildren and pregnant mothers, etc.

Today, after a spirited cruise through the hills, which ended up with a 50km @100-110Kph trip home, I ended up at 12.6lt/100km.

I think the AFM is more marketing over substance, although, I could be mistaken....

cheers

800km from a tank on mine, my house to Albany and back.
12.8 is the combined cycle for an AFM car, you can see as little as 8's and 9's on long haul trips.

[smokey777]

Ve's have a large frontal area which affects fuel economy in a bad way, you'll never get a VE to have the fuel economy of a VY/VZ mod for mod.

ya i just got rid of my VE SS as i do 120k round trip a day for work, 95% M1 but the ute was costing me average 200 p/f :( so i have got a Daily car (VW 90TSI manual) till i buy another toy. but i average 790/800ks for 45ltrs now lol.

[jsme]

Stock --------------------------------------->

I can get 8L/100km.

[Plenty]

Stock --------------------------------------->

I can get 8L/100km.

in a VZ?

remember the VE is a heavier/larger car overall and also has serious CoD issues from the front bumper, undertray and also the rear spoiler.

[BLACKVE]

800km from a tank on mine, my house to Albany and back.
12.8 is the combined cycle for an AFM car, you can see as little as 8's and 9's on long haul trips.

I got a 9.5 or so one morning when i took the car to work but never anything like an 8L avg and it's all 100 or 80 km/h driving all the way. Still happy with the car:).


I think the AFM is more marketing over substance, although, I could be mistaken....

cheers

Yep!!!!

[BLACKVE]

Which otr?
Also be interested to see before and after results.

Picked up a duspeed otr 1 version cheap.

Drove to loxton last weekend at 110 and avg 10L for the whole trip, i hardly drive the car but the afm kicks in and out a lot, as soon as theres a small rise in the road back to 8.