View Full Version : Anyone For A GM LSX 9L Small Block that handles 2500 HP
Blown 454 AWD
04-12-2006, 01:23 PM
Just found the new Adventra motor. :bounce:
Guess this changes a few things ay?
Available March 07
Bore 4.25 max Stroke 4.50 max 6 head bolts per cylinder (accepts 4 bolt production head to)
That size bore and stroke makes it 572.5 cu in max or 9.16 Litres
http://www.excelerate.com.au/downloads/ls1/450kw/sema2012.jpg
http://www.excelerate.com.au/downloads/ls1/450kw/sema2011.jpg
http://www.excelerate.com.au/downloads/ls1/450kw/sema2013.jpg
http://www.excelerate.com.au/downloads/ls1/450kw/sema2015.jpg
http://www.excelerate.com.au/downloads/ls1/450kw/sema2010.jpg
http://www.excelerate.com.au/downloads/ls1/450kw/sema2008.jpg
http://www.excelerate.com.au/downloads/ls1/450kw/sema2009.jpg
Stevotski
04-12-2006, 01:29 PM
572 cu in.... that thing is INSANE !!!!!!!!!!!
aperfectcircle
04-12-2006, 01:33 PM
:eek:
That would be a killer on fuel:yup:
GETUTED
04-12-2006, 01:33 PM
is that an iron block???
Blown 454 AWD
04-12-2006, 01:38 PM
is that an iron block???
Iron Block
Cheers
Steve
Angeldust
04-12-2006, 01:40 PM
lol that is insane.
no substitute for cubic inches :bounce:
RED R8
04-12-2006, 01:41 PM
Sorry mate don't like it I'm after something with a bit more torque..:stick:
fatas
04-12-2006, 01:46 PM
i think it needs a gen TT next to it:yup: :lol: :bravo:
9.16lt twin turbo in a ve how good would that be !!!:bounce: :lol: :yup:
hey sonny here is your new block sell that one in the shop and get this :yup: :lol:
seedyrom
04-12-2006, 01:47 PM
And after you've had one for a week Steve they'll be changing their logo to this:
http://upload.cainer.net//uploads/lsx.jpg
harey
04-12-2006, 01:52 PM
:eek:
That would be a killer on fuel:yup:
Yeah thats the first thing that comes to mind :shiner: :rofl:
That sounds sooo good. :diddy:
fatas
04-12-2006, 01:55 PM
who cares i think this thing would pull a manly ferry it would be
THE TORQUE MONSTER :yup:
RED R8
04-12-2006, 02:01 PM
Dont let NickS see it he may crack out the cheque book.
Alex81
04-12-2006, 02:09 PM
This motor with a pair of huge turbos hanging off it would make HP Heros interesting and farking nuts to drive. :yup: :yup: :banana:
HSV,_I_GOT_ONE
04-12-2006, 02:20 PM
pfff its not even injected :rolleyes:
huggies
04-12-2006, 02:40 PM
am i missing something here ?(not trying to be a smart ass)
the 572ci has been available as a crate motor for ages from GM Performance 620hp outa the box for the street motor & the race version is 700+
or is the difference here its a LS series motor not a ZZ572
darcy
04-12-2006, 03:43 PM
or is the difference here its a LS series motor not a ZZ572
Bingo.
This is based around LSx componentry. :)
seldo
04-12-2006, 03:52 PM
Dont let NickS see it he may crack out the cheque book.
I can hear Nicks cheque-book writhing in pain already....
*ring, ring....ring, ring...* "Hello... that you Sonny?....Maaaate...can you do the sums on one of them new-fangled LSX blocks for me.....". "What's that..? What do you mean with single or twins....? Ooohhhh....I see......Hmmm....Bugga it ....let's go for broke...Just do it Sonny.....!"
Now....Parts for Sale:
One almost new 408 stroker etc.......
Hehe.... ;)
Plan B
04-12-2006, 05:52 PM
And after you've had one for a week Steve they'll be changing their logo to this:
http://upload.cainer.net//uploads/lsx.jpg
:rofl: Very Good!
Blown 454 AWD
04-12-2006, 06:05 PM
pfff its not even injected :rolleyes:
Bore 4.25 max Stroke 4.50 max 6 head bolts per cylinder (accepts 4 bolt production head to)
The part in brackets means you can bolt your top end on top of this block:)
nikola
04-12-2006, 06:06 PM
And it's only US $2,500 in America.
But you can probably add another zero to the end of that amount for Australia for some odd reason.
Blown 454 AWD
04-12-2006, 06:07 PM
:eek:
That would be a killer on fuel:yup:
No more than what I was using before
Sonnymad
04-12-2006, 06:48 PM
Yeh baby ..!!! bring it on..I WANT ONE ! :yup:
BigJim
04-12-2006, 07:04 PM
Does anyone know of a proposed cost of one of these blocks yet if they have a price. Iam definately interested subject to what they cost in the US.
This would be an awesome setup. Who needs turbos with this much cubes.
IH84DS
04-12-2006, 07:08 PM
Sonny,
It's ok, but im really looking for something a little bigger. It's too small for my 180B dato.
Cheers
Blown 454 AWD
04-12-2006, 07:24 PM
My source informed me that it comes as block and crank @ around $4 k, didn't ask if it was AUS$ or US$, was too stunned to ask all the right questions.
Had my cheque book out about to buy a 427 alloy cnc block with cnc heads that could take boost and was stopped in the nick of time by someone with this. :yup:
:bow: :bow: :bow: :bow:
vyssbeast
04-12-2006, 07:35 PM
i met this guy with a h/c charged monaro ... said hes buying a 427 and charging it next year ... no all of a sudden that doesnt seem all that exciting compared to this thing ...
BigJim
04-12-2006, 07:48 PM
My source informed me that it comes as block and crank @ around $4 k, didn't ask if it was AUS$ or US$, was too stunned to ask all the right questions.
Had my cheque book out about to buy a 427 alloy cnc block with cnc heads that could take boost and was stopped in the nick of time by someone with this. :yup:
:bow: :bow: :bow: :bow:
Jeezz at $4K even US i will definately be looking into it. If the entire top end of my LS1 can bolt on its a go. A set good heads and a mild cam this thing would rock. I could see an easy 400RWKW from a monster like this without trying. I can only imagine the torque it would produce.
Do you know what sort of crank is required and what sump. I gather GM Performance parts will most likely sell all associated hardware.
Iam keen as for one now.
Can you keep me informed of any concrete happenings with yours if your getting one as i will also like in on one.
Edit: Sorry just saw it might be $4K with crank. This is looking good. You could have this landed here for near $7K AUS if the figures are correct
HSV,_I_GOT_ONE
04-12-2006, 08:53 PM
Would make the stroker option nice and cheap. I cant see this being so cheap though sounds too good to be true.
BigJim
04-12-2006, 09:05 PM
Would make the stroker option nice and cheap. I cant see this being so cheap though sounds too good to be true.
I still think once you got the block and crank here then built it up, tuned and installed i think you could be looking at $25K but who knows until we see some exact prices on the block as $4K US does sound very cheap.
ProVK
04-12-2006, 09:15 PM
With those big cubes, its going to take one mega set of heads and inlet setup to let it breathe. It wont be as simple as thowing the mild top end from a 5.7l onto this 9.0l Short Motor.
I would be wating the matching heads with the 6 bolt per cylinder clamping.
Plan B
04-12-2006, 09:34 PM
I still think once you got the block and crank here then built it up, tuned and installed i think you could be looking at $25K but who knows until we see some exact prices on the block as $4K US does sound very cheap.
You’re right on the Money BigJim….. Almost!
The block is a little cheaper than 4k US.... I think it's more like 2.7k from memory. (Well, that’s what they told me at SEMA)
Then you'll have to ship it, pay GST ect.... So 4-5k AUD would seem about right for the early birds who step up to the plate prior to the surface deliveries.
Then the build would begin. It won't be cheap if you’re looking for the horsepower delivery as one would expect from such cubes.
As Justice R8’s Nanna once said; “It’s always the pioneers who get hit by the arrows and the settlers just take the land”
I’ve ordered 2… :)
HSV,_I_GOT_ONE
04-12-2006, 09:49 PM
I still think once you got the block and crank here then built it up, tuned and installed i think you could be looking at $25K but who knows until we see some exact prices on the block as $4K US does sound very cheap.
F**K ME!!! $25K!!!! If only I was the CEO of the place I work at!
I suppose that would be right after putting it together then upgrading the fuel system and driveline... Geez what kind of driveline could you use to handle that monster you would almost have to be looking in a CAT catalogue to find a diff and gearbox to handle that sort of torque wouldnt you??
BigJim
04-12-2006, 09:58 PM
You’re right on the Money BigJim….. Almost!
The block is a little cheaper than 4k US.... I think it's more like 2.7k from memory. (Well, that’s what they told me at SEMA)
Then you'll have to ship it, pay GST ect.... So 4-5k AUD would seem about right for the early birds who step up to the plate prior to the surface deliveries.
Then the build would begin. It won't be cheap if you’re looking for the horsepower delivery as one would expect from such cubes.
As Justice R8’s Nanna once said; “It’s always the pioneers who get hit by the arrows and the settlers just take the land”
I’ve ordered 2… :)
When are they actually realeased and how can i look at ordering one from them. You got any contacts Pete that i should talk to and discuss.
OUTAtheBloo
04-12-2006, 10:13 PM
Ok ill ask the silly question..
Will this engine actually fit in a commodore, or is there a bit of work to make it fit ?
Dan
vyssbeast
04-12-2006, 11:45 PM
Then the build would begin. It won't be cheap if you’re looking for the horsepower delivery as one would expect from such cubes.
Not sure if i misunderstand but are you saying there is more involved to get power outta this thing besides just slapping it in there??
but imagine with abit of h/c work or a charger ... holy shit your talking 1000hp+ i think ...
BigJim
04-12-2006, 11:50 PM
Not sure if i misunderstand but are you saying there is more involved to get power outta this thing besides just slapping it in there??
but imagine with abit of h/c work or a charger ... holy shit your talking 1000hp+ i think ...
I reckon with something of these cubes, 230s cam, dart heads and fast 90mm manifold setup i reckon you could be easy heading for 450rwkw plus and imagine the torque. Say goodnight to the transmission and diff at the track with good tyres. Drivetrain would need some severe upgrading
dadem0n
05-12-2006, 12:05 AM
I was afraid you'd see this Jim :lol:
I wonder if this thing would still choke on a FAST and Darts?
Best you see Mr TBA about one of them new-fangled billet manifolds sir :bravo:
Vulture
05-12-2006, 01:19 AM
Jeezz at $4K even US i will definately be looking into it. If the entire top end of my LS1 can bolt on its a go. A set good heads and a mild cam this thing would rock. I could see an easy 400RWKW from a monster like this without trying. I can only imagine the torque it would produce.
Jim, you're like a kid in a lollyshop! Wouldn't it need a VERY good set of heads with BIG valves? Plus I suppose you'd also be able to run a pretty savage cam and have it still pull down low.
Blown 454 AWD
05-12-2006, 06:50 AM
You will note that the stroke is 4.5 inch and the bore is from 4 to 4.25 inch max, when I was told about this it was said over 500 cu in however, I grabbed the calculator and bingo, 572 jumped out with over 9 Litres.
Form what I see, most are going quite a bit smaller in cubes, then again one has to say here, if it take 2500 hp and you can have 572 cubes, then why not?
I haven't looked into seeing if there are any negatives in going so big, I can't see any yet.
Wednesday next week "Muddy McGrath" (Pete ) is back from Dubai, he's the chief engineer for Maritimo Off-Shore Racing, (that has run the last 4 years on Mainlube) they're ditching the twin diesels (with 37 ibs boost 1300 hp per motor) and building a couple of 550 big blocks with twin 3.3 whipples to replace the diesels for the coming year, they’re still running the 2 other cats with the twin Lambo’s in as well, I'll bounce it off him and get the gospel.
Red Bellies Racing team is also running Mainlube next year.
Cheers
Steve
fyreblade2000
05-12-2006, 06:58 AM
Hmmmm,
572cui LSX, AWD Phantom Mica Series II HSV GRANGE with a 6L80E or 4L80E Auto........
:woot: :woot: :woot: :woot: :woot:
v-comp
05-12-2006, 07:08 AM
I was afraid you'd see this Jim :lol:
I wonder if this thing would still choke on a FAST and Darts?
Best you see Mr TBA about one of them new-fangled billet manifolds sir :bravo:
Why thank you sir (and yes, the development has already started;) )
chops
05-12-2006, 08:14 AM
4.25 inch bore and 4.5 inch stroke gives me 510 cid.
572 cid would require a 4.5 inch bore and stroke.
Nonetheless, 8 lites plus would be NICE.
Yeh baby ..!!! bring it on..I WANT ONE ! :yup:
Alright, Since you asked so nicely, we'll let you go out and get one.
seldo
05-12-2006, 08:52 AM
4.25 inch bore and 4.5 inch stroke gives me 510 cid.
572 cid would require a 4.5 inch bore and stroke.
Nonetheless, 8 lites plus would be NICE.
That's what my calculation says too...
Blown 454 AWD
05-12-2006, 10:30 AM
That's what my calculation says too...
Yah me to now, (sounded good before:lol: )
I used this site to calculate
http://www.1728.com/diam.htm
Now when I put it in again, it gave me your reading;) before it said 71.569 now I get 63.838
Still better than a poke in the eye with a burnt stick.
Took yahs a while to pull me up :moon: :lol:
seldo
05-12-2006, 11:03 AM
Yah me to now, (sounded good before:lol: )
I used this site to calculate
http://www.1728.com/diam.htm
Now when I put it in again, it gave me your reading;) before it said 71.569 now I get 63.838
Still better than a poke in the eye with a burnt stick.
Took yahs a while to pull me up :moon: :lol:
Bah! Pfft! Who cares anyway - let's just say it's a big mutha...;)
Justice R8
05-12-2006, 12:49 PM
You will note that the stroke is 4.5 inch and the bore is from 4 to 4.25 inch max, when I was told about this it was said over 500 cu in however, I grabbed the calculator and bingo, 572 jumped out with over 9 Litres.
Form what I see, most are going quite a bit smaller in cubes, then again one has to say here, if it take 2500 hp and you can have 572 cubes, then why not?
I haven't looked into seeing if there are any negatives in going so big, I can't see any yet.
Wednesday next week "Muddy McGrath" (Pete ) is back from Dubai, he's the chief engineer for Maritimo Off-Shore Racing, (that has run the last 4 years on Mainlube) they're ditching the twin diesels (with 37 ibs boost 1300 hp per motor) and building a couple of 550 big blocks with twin 3.3 whipples to replace the diesels for the coming year, they’re still running the 2 other cats with the twin Lambo’s in as well, I'll bounce it off him and get the gospel.
Red Bellies Racing team is also running Mainlube next year.
Cheers
Steve
A lot of the offshore guys are using these with the twin whipple
http://www.mercuryracing.com/products/sterndrives/large_hp1075sci.php
There was one used in Botany Bay last weekend for the World waterski selection races. It was the only blown boat,Twin whipples against 30 twin turbo big blocks. The twin whipple won.
APCLB
05-12-2006, 04:15 PM
Just found the new Adventra motor. :bounce:
Guess this changes a few things ay?
Available March 07
http://www.excelerate.com.au/downloads/ls1/450kw/sema2012.jpg
So does this mean we'll see the Adventra finished around June,July Steve? :D
Gotta luv the Camaro :drool:
Blown 454 AWD
05-12-2006, 04:50 PM
somewhere there :)
wagnman
05-12-2006, 10:26 PM
My god! :eyes:
I need one in the wagon!
Imagine the sound of one of those with a filthy cam and 8 throttle induction!
How much is the block mate?
Sonic_Brew
06-12-2006, 12:58 PM
Come on... 9L!
Capacity just keeps increasing. 6L is borderline too much, where is it going to stop.
I hope Australia takes note of some jap cars and realises it does'nt need 6L+ to make power.
GETUTED
06-12-2006, 01:02 PM
Come on... 9L!
Capacity just keeps increasing. 6L is borderline too much, where is it going to stop.
I hope Australia takes note of some jap cars and realises it does'nt need 6L+ to make power.
"6L is borderline too much" Why????? There are a variety of different size motors to suit all tastes. If you don't like it don't buy it. :teach:
monaroCountry1
06-12-2006, 01:06 PM
Capacity just keeps increasing. 6L is borderline too much, where is it going to stop.
I hope Australia takes note of some jap cars and realises it does'nt need 6L+ to make power.
Increasing displacement is a bit like increasing boost.................more air bigger bang.
Some like boost some with a bigger engine...............some here prefer bigger engine + more boost (now thats crazy :))
Sonic_Brew
06-12-2006, 01:39 PM
"6L is borderline too much" Why????? There are a variety of different size motors to suit all tastes. If you don't like it don't buy it. :teach:
I would'nt buy it.
It just seems like they take the easy road and increase capacity. Look at jap cars easily pushing 260kw with just over 2L in a 4 banger.
Put some more r&d into refinement and engineering and there is no reason why we shouldnt be driving factory 300kw+ 3L V8s. But then again petrol is dam cheap these days!
Sorry to hijack the thread, its just been bugging me how capacity just keeps increasing. Each to their own, and i respect all your opinions.
German Statesman
06-12-2006, 01:47 PM
I would'nt buy it.
It just seems like they take the easy road and increase capacity. Look at jap cars easily pushing 260kw with just over 2L in a 4 banger.
Put some more r&d into refinement and engineering and there is no reason why we shouldnt be driving factory 300kw+ 3L V8s. But then again petrol is dam cheap these days!
Sorry to hijack the thread, its just been bugging me how capacity just keeps increasing. Each to their own, and i respect all your opinions.
My 2c worth - big capacity is the reliable, long term life way to get horsepower. Yeah, you can get massive power out of small capacities, but that increases the stresses on the engine to make that power, and the engines become fragile and wear quicker.
Big capacity, easy power, long durability.
Cheers
JOHN
chops
06-12-2006, 02:53 PM
And it leaves room for those that want to add forced induction themselves!!!!
Vulture
06-12-2006, 11:17 PM
It just seems like they take the easy road and increase capacity. Look at jap cars easily pushing 260kw with just over 2L in a 4 banger.
Put some more r&d into refinement and engineering and there is no reason why we shouldnt be driving factory 300kw+ 3L V8s. But then again petrol is dam cheap these days!
Sorry to hijack the thread, its just been bugging me how capacity just keeps increasing. Each to their own, and i respect all your opinions.
These sorts of arguments are non-events. You could also argue that winding up the boost on a small motor is also taking the easy road. Ultimately, it doesn't really matter how you get the power as long as it is reliable and drivable. I'd rather drive a 400rwkw large capacity motor than a 400rwkw small, big boost motor - which one do you think is the more drivable and hence faster in most circumstances?
Making power out of small capacity naturally aspirated motors takes MONEY. That is why some German manufacturers are currently avoiding boost in their premium models. They want to make the high tech NA motor a feature piece of their lineups. Hence the new 6.2L Benz motor, the 5.0L V10 in the M5 and the new V8 in the M3. Audi are in on the game as well with the RS4. It's almost as though they are saying "Look what we can do without turbos or superchargers".
For the rest of us there are fewer options and large capacity is one of the best ways to bring power to the masses. Would you have big power available only to those with big wallets? It is a kind of snobbery to snear at capacity as one solution to reliable power.
VT LS1
07-12-2006, 12:09 AM
I would'nt buy it.
Look at jap cars easily pushing 260kw with just over 2L in a 4 banger.
.
Useing the same amount of fuel as a 6l V8.......
Sonic_Brew
07-12-2006, 04:44 PM
Useing the same amount of fuel as a 6l V8.......
a 6l V8 using the same amount of fuel as a 2l 4cyl both making 260kw? I dont see the logic... :hmmm:
monaroCountry1
07-12-2006, 09:42 PM
a 6l V8 using the same amount of fuel as a 2l 4cyl both making 260kw? I dont see the logic...
Simple more boost = more air = more petrol = bigger injectors. If you dont have enough petrol then you simply lean out and ping like hell = engine goes BANG!!!
My 3LTT consumes around 65L per 350km..............I mosty do highway.
The word is the block will be 2500 american. the 9.250 deck won't release until March is the word. The 4.5 stroke is for the 9.8 tall deck that does not have a release date or price point yet. This will be very nice with 30psi of boost!!
Kurt
chops
08-12-2006, 12:28 PM
Thanks for the info Mr W2W.
harey
08-12-2006, 02:48 PM
I would'nt buy it.
It just seems like they take the easy road and increase capacity. Look at jap cars easily pushing 260kw with just over 2L in a 4 banger.
Put some more r&d into refinement and engineering and there is no reason why we shouldnt be driving factory 300kw+ 3L V8s. But then again petrol is dam cheap these days!
Sorry to hijack the thread, its just been bugging me how capacity just keeps increasing. Each to their own, and i respect all your opinions.
If everyone did things the same way it would be boring. Different strokes for different folks. To be honest there are plenty of forums to read about smaller engines with turbos. This aint one of em.
lamont
08-12-2006, 04:22 PM
Thats rediculous capacity
2 much for me
but...Put it in my ute with twins hanging off it...another story
No problem. I will try and post when we actually see product hit the streets.
Kurt
Thanks for the info Mr W2W.
fyreblade2000
14-12-2006, 06:36 AM
Come on... 9L!
Capacity just keeps increasing. 6L is borderline too much, where is it going to stop.
I hope Australia takes note of some jap cars and realises it does'nt need 6L+ to make power.
One word...CUBES :yahoo: and lots of it!
monaroCountry1
14-12-2006, 07:39 AM
Capacity just keeps increasing. 6L is borderline too much, where is it going to stop.
I hope Australia takes note of some jap cars and realises it does'nt need 6L+ to make power.
So what if it has a large cube engine. Its reliable, cheap to mod, user and mech friendly, powerful, light, compact and has tons of torque.
Japanese mechanic to his Australian counterpart.............
"whats torque?"
Sonic_Brew
15-12-2006, 12:25 PM
Simple more boost = more air = more petrol = bigger injectors. If you dont have enough petrol then you simply lean out and ping like hell = engine goes BANG!!!
My 3LTT consumes around 65L per 350km..............I mosty do highway.
Bare with me if i sound like an ass... :doh:
are you saying that a 400hp 2L 4cyl will get the same km/L as a 400hp 6L v8?
I know its a bit hard to answer given so many variables, but i think you know the jist of my question.
Thumper
18-12-2006, 07:47 PM
Here's a video of the block with an interview with the design engineer. WARNING It's 8 minutes long. Price quoted was US$2-2.5K. Available March 07.
http://videos.camaroz28.com/video/f3578794-284a-4b5c-8119-9897016876f5.htm
spank
18-12-2006, 08:10 PM
will a hollinger six speed and harrop 9" diff handle this thing or what, would be nice in the GTO with dart heads 240 something cam and harrop 8tb inlet manifold :burnout:
RedVYIISS
19-12-2006, 06:05 AM
Bare with me if i sound like an ass... :doh:
are you saying that a 400hp 2L 4cyl will get the same km/L as a 400hp 6L v8?
I know its a bit hard to answer given so many variables, but i think you know the jist of my question.
Assuming they're pulling the same weight, the answer is basically yes. 400 Hp requires enough fuel to make 400 Hp.... whether it's in a turbo 4 banger or a lazy eight.
Smaller engines typically get better fuel economy as they don't produce as much power and don't get from A to B as quickly. The better economy has nothing to do with the engine simply being smaller.
In day to day driving, it's quite probable that a 400 Hp 6L V8 would actually produce better fuel economy figures than a 400 Hp 4 banger as it'd have a bigger torque spread and better specific fuel efficiency at normal road speeds / low rpm (ie lightly loaded).
You see this quite often with boats. The hull has a certail speed where it's most comfortable and travels best. A correctly sized engine running at say 3/4 of max revs will produce much better fuel efficiency than an undersized engine running at 90 plus % of max revs (and will last a lot longer too).
Hope this makes sense.
GETUTED
19-12-2006, 08:46 AM
why has this thread turned into a 2L V 6L discussion :hmmm: :sleep:
Assuming they're pulling the same weight, the answer is basically yes. 400 Hp requires enough fuel to make 400 Hp.... whether it's in a turbo 4 banger or a lazy eight.
Smaller engines typically get better fuel economy as they don't produce as much power and don't get from A to B as quickly. The better economy has nothing to do with the engine simply being smaller.
In day to day driving, it's quite probable that a 400 Hp 6L V8 would actually produce better fuel economy figures than a 400 Hp 4 banger as it'd have a bigger torque spread and better specific fuel efficiency at normal road speeds / low rpm (ie lightly loaded).
You see this quite often with boats. The hull has a certail speed where it's most comfortable and travels best. A correctly sized engine running at say 3/4 of max revs will produce much better fuel efficiency than an undersized engine running at 90 plus % of max revs (and will last a lot longer too).
Hope this makes sense.
Couldnt have said it better mate!
*Slaps mallet on desk*, "This court is adjourned, ruling in favor of cubes!"
Sparky
harey
19-12-2006, 11:20 AM
In day to day driving, it's quite probable that a 400 Hp 6L V8 would actually produce better fuel economy figures than a 400 Hp 4 banger as it'd have a bigger torque spread and better specific fuel efficiency at normal road speeds / low rpm (ie lightly loaded).
You see this quite often with boats. The hull has a certail speed where it's most comfortable and travels best. A correctly sized engine running at say 3/4 of max revs will produce much better fuel efficiency than an undersized engine running at 90 plus % of max revs (and will last a lot longer too).
I dont agree that on the street a 400 Hp 6L V8 would get better fuel consumption than a 400 Hp 4 banger. You could very easily drive around in the 4cyl without boost getting almost normal 4 cyl consumption. This is driving fairly sedately. A mix of a bit of hard driving with mostly normal driving would also see the 4 banger using much less fuel.
However, around a race track yes they would get very similar fuel consumption.
Regarding your boat example, cars dont quite work the same, you dont often sit on 3/4 of max revs or 90%!!
Looks like the price will be 1900.00 US. The block is still on schedule for March delivery. Can't wait to see the power that this unlocks!!
Kurt
Mick_540
11-01-2007, 06:27 AM
NOT the same block, but I'm running a Haddad-built 540 cube big block chev with a Vortech V7 and with Autronic EFI in my other car (70 camaro). Big cubes with boost is fairly awesome, even though mine is only running a miniscule 10lb at 6500rpm. This engine made 850hp and 767ftlb and has run 10.03 at 138mph a couple of years ago. Street driven. Haddads know their stuff, let me assure you!! Will post a pic if somebody can tell me how .........
BIGDAO
11-01-2007, 02:48 PM
I'll buy one eventually. There is no replacement for displacement.
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