My dyno result.

[Hammer]

Hey guys,
Thought I would fill you in on my excitment for my saturday went for a shootout at Pro street Performance with about 20 other cars and i came 3rd which i thought was pretty awsome attached is the result i got off the dyno

"based on a 3 run average"
http://members.westnet.com.au/baldric/dyno.jpg



also thanks to all who turned up for the day and the guys at Pro stree Performance, for giving up their weekend to help some car enthusiasts have a bit of fun on the dyno....

Cheers fellas!!
Hammer
VX SS

[HRT Stroker]

I might as well ask before 20 others do, what are the mods to the car???

[VooDoo]

Current Ride: VX SS 01 Unedited...

from another thread


the engine is a genuine hsv clubsport engine from HSV have the reciept along with hsv MAF,cai all the other stuff with it got a custom 3" system all the way through goes from 3" headers which are 4 into 2 then into 1 pipe at the rear, all are 3" has been dynoed with 285rwkw

[jsttry]

Current Ride: VX SS 01 Unedited...

from another thread
Dyno'ed at 285rwkw and then 274rwhp? That's a big difference isn't it?

[VooDoo]

nope, i re-read the thread i got that from, seems he was misled when he bought the car. he was told it was a clubby engine at 285kw. He was re-educated back in september.

[Hammer]

so can anyone tell me what mod would of been done for me to get this figure, and yes vodoo is right.. was led by seller when i purchaced the car ... is this a good figure ???


cheers,

[jneil]

I don't quite follow, if it's a 285kw engine, then the figure is spot on as 274.5hp=204.7kW.

Were you misled in that the seller said it was a 285rwkw instead of the 285fwkw.

Just trying to get my head around it. I'd think with an edit you'd get a bit more than that too.

[MNR-0]

Your signature states unedited. There is no way you will make 271rwkw unedited with bolt-ons. I'd suggest the dyno was "happy". Nevertheless, all cars performed on the same instrument on the same day, so well done on your place.

[bobbyvtls1]

Your signature states unedited. There is no way you will make 271rwkw unedited with bolt-ons. I'd suggest the dyno was "happy". Nevertheless, all cars performed on the same instrument on the same day, so well done on your place.

it sa's hp not kw
who one and what power did they have

[MYTE8]

I don't quite follow, if it's a 285kw engine, then the figure is spot on as 274.5hp=204.7kW.

Were you misled in that the seller said it was a 285rwkw instead of the 285fwkw.

Just trying to get my head around it. I'd think with an edit you'd get a bit more than that too.
Sounds correct to me aswell, but it sounds like a 250/255kw engine.
I got 199.8rwkw out of my stock 250kw engine.

[MNR-0]

ahhh. yes. that would be right then. as usual, i can't read.

[Hammer]

so is it possible i have a edited engine ??? or ? is that a normal power figure for a gen 3 ? as i went up against a guy with a ss edited mcai and his only pulled 265.5hp ..

any suggestions greatly apprectated

[vxchev]

Where is the rest of the dyno sheet?

Would be good to see where the AFR's are at and the room and intake temp
listed on the dynosheet

Cheers

[rodp]

so is it possible i have a edited engine ??? or ? is that a normal power figure for a gen 3 ? as i went up against a guy with a ss edited mcai and his only pulled 265.5hp ..

any suggestions greatly apprectated

Rule of thumb I had always heard is that rwhp roughly translates to fwkw. With the mods you've got that's a pretty decent figure. There is the posibility it's been edited, if it hasn't then you'll be a happy chappy once you do! For a VX it's well over what they came out stock.

That's of course providing it's a reliable dyno figure and not inflated for whatever reason... (and not trying to stir).

[jneil]

You may find that the tune is almost optimised and that an edit will not give you as much as some others.

My stock "225kw" VXII SS 6M was 162rwkw (at the 4k mark)
My modded VXII SS 6M was 237rwkw (simple boltons and edit)
My stock "245kw" VYII SS 6M was 181rwkw (at the 4k mark)
My modded VYII SS 6M was 242rwkw (simple boltons and edit)

[MYTE8]

You may find that the tune is almost optimised and that an edit will not give you as much as some others.

My stock "225kw" VXII SS 6M was 162rwkw (at the 4k mark)
My modded VXII SS 6M was 237rwkw (simple boltons and edit)
My stock "245kw" VYII SS 6M was 181rwkw (at the 4k mark)
My modded VYII SS 6M was 242rwkw (simple boltons and edit)
There great gains for boltons and edit, 75 and 61 rwkw, thats huge.

[jneil]

There great gains for boltons and edit, 75 and 61 rwkw, thats huge.

I know, that is how restricted and crap the factory equipment and tune are!

[Hammer]

ill post a full dyno sheet up in about an hour...
so when i do some info about what it all means would be good :) so its possible that my car has been edited ?
what other cheaper mod could i do to the car ? ive done the mcai and it has a custom exhaust... just wondering what else i can do to get more power out of it... seems ive been hit by the power bug

[jneil]

ill post a full dyno sheet up in about an hour...
so when i do some info about what it all means would be good :) so its possible that my car has been edited ?
what other cheaper mod could i do to the car ? ive done the mcai and it has a custom exhaust... just wondering what else i can do to get more power out of it... seems ive been hit by the power bug

I think it'd be worth getting it "tuned" by a well know tuner regardless of if you think it has or not, there is always room for improvement!

It is possible that it's been edited before, seems a little low if it has though, but if you have changed the CAI and exhaust then an edit is a must as it'll tie the tune to the mods.

[jsttry]

ill post a full dyno sheet up in about an hour...
so when i do some info about what it all means would be good :) so its possible that my car has been edited ?
what other cheaper mod could i do to the car ? ive done the mcai and it has a custom exhaust... just wondering what else i can do to get more power out of it... seems ive been hit by the power bug
DIff gears would make an improvement and costs ~$800-$1300 depending on where you get it done. Most people go for 3.46:1 or 3.7:1 in an auto or 3.91:1 in a manual.

[VooDoo]

Id say you have either a mailorder tune in it or the R8 tune. Maybe you have a unichip in it?? Either way, take it to Mark at PT and get the full benifit of a custom tune. He will soon tell you whats in it and can also sort out other mods as you need em.

[bigafoot]

I went to the same dyno day as hammer did and I am really interested to find out what went wrong on my part with the car as to why my figure were so low. I have had twin 2 1/2 exhaust exctrators gts intake monaro CAI and LS1 Mafless edit done by mark up at PT and yet my car only produce 262 rw hp. Now going by what marks dyno said at PT it shuold have been up around 290 rwhp (got 222 rwkw @ PT)

below is the dyno dynamic dyno before edit (277rwhp) PT dyno (222rwkw) & saturdays pro street (262rwhp)

first dyno (http://www.users.bigpond.net.au/richc/dyno/dyno0402.jpg)

pt dyno (http://www.users.bigpond.net.au/richc/dyno/ptmafless.jpg)

pro street (http://www.users.bigpond.net.au/richc/dyno/dyno0503.jpg)


what Iwould like to know is would a Stuffed diff cause this much loss of power. Mine is due to be replaced in the next couple of weeks due to a diff whine.

[VooDoo]

The First Dyno is inflated. Note the 60c intake temps. Helps get a high reading.

The last dyno seems low if anything. Have you put in a stally since the edit?

[MNR-0]

Your AFR is all over the place too. Methinks you might need to revise your fuel trimming.

[bigafoot]

there have been no changes since edit. The only thing that has changed/different is the diff starting to make this whining noise. I think something is wrong cause it should have been higher than that. I mean a straigh conversion of the 222kw figure from PT is well above this figure. I am confused as to what is happening .....

Oh and the first one was done in 2nd gear and the other two in third. The guy on saturday from pro street said the dip in the AFR was cause but the gear change when he floored it . .. I am not to sure about this ???? so it seem plausable or is it BS ??

[vypwr]

My M6 R8 with the only mod's been a filter,GTS MAF pipe and removed rear resonator & makes 214RWKW's (dynodynamics -shootout mode) 206RWK's without MAF and filter, id that high for a stock VX R8??

If I was to have a MAF Tune what would I expect to make?

[MNR-0]

there have been no changes since edit. The only thing that has changed/different is the diff starting to make this whining noise. I think something is wrong cause it should have been higher than that. I mean a straigh conversion of the 222kw figure from PT is well above this figure. I am confused as to what is happening .....

Oh and the first one was done in 2nd gear and the other two in third. The guy on saturday from pro street said the dip in the AFR was cause but the gear change when he floored it . .. I am not to sure about this ???? so it seem plausable or is it BS ??
Looking at the 3rd dyno plot, you are getting an AFR of about 13.3 at 5200RPM. Thats too lean in my book. Also note how it troughs at 80kph then steadily rises till peak power then falls off. This is very different to your second run where it is flat from 108kph till 130kph.

These aren't carby engines. The AFR should follow the commanded PE very closely because of the finite control the VCM has over the injectors. The only reasons they vary are loss of fuel pressure or bad fuel trims carrying random fuel charges into WOT.

My AFR curve is ruler flat from 4400RPM till upshift at 6300RPM. Before 4400RPM it richens down to about 12.1AFR from 13.3AFR. Now this could be explained by the tuning differences to the PE at WOT. Every tuner does things their own way.

So have you taken her down to the track yet? Thats the real test. Im not suggesting your PE curve is stuffed but rather without real world evidence you are clutching at straws. Get a QTR mile run in then report back.

[VooDoo]

Have you had a service since the PT tune? Maybe Holden reflashed the stock tune back in (its happened a few times to others)

Could also be your fuel pump playing up

[C4B]

I wouldn't worry about your dyno figure too greatly.

My car used to pull around 330hp on other dyno's and at the same place (as Saturdays comp.) it got 305hp.

At the end of the day, all you can do is compare your result to other cars there on the day.

[bigafoot]

nahh shes all good still, Like I have said previously I have to get the diff done, but from what they guys at PT have told me the dyno out there reads lower/on the conservative side of things. I knew that there was differences between dynos but it was a little bit of shock.

The car still drives great and I have no complaints about the work that PT have done what so ever as they truely know what they are doing in ever aspect of work they do up there.

WOuld be interested to know how to go the next step up in power though like many of the people on here have fgone for 225 -230 to 240 - 250. What other mods would be needed to do this ? I was considering looking at getting on the OTRAI from PT but surely thats not all that needs to be done ???


All in all it was still up the top end of the results on the day and it was just funny how the reading came back.

[VooDoo]

A nice cam will get your smiling again :)

220/224 @ 112LSA should get you up in the 260+ range