05-08-2008, 02:53 PM | #1 |
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De-tune ls3?
kinda strange question to ask but, anyone know how they are going to (if they use the ls3) detune it, i mean you think it will be with timing, or changing the computer, ect..??
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05-08-2008, 03:57 PM | #2 |
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I've read a bit about and seen dynos that lead some to believe that there wasn't really anything major done differently to the engines that would cause any difference in the power like the ratings reflected. I think there might have been some minor changes to any of the paths that fuel is brought in or exhaust is going out like the heads and exhaust manifolds maybe. Pretty much with the LS1 for example the F-Bodies were just underrated at the 305-320 that was claimed. Lots of them bone stock would put down the same kinda numbers on a dyno that an LS1 corvette would even though the Corvette was rated with higher hp. IMO i think it's more of a marketing thing.
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05-08-2008, 04:45 PM | #3 |
Petro-sexual
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I'm sure they'd try a L92 cam or something like that since the heads are pretty much the same, with the exception of the valvetrain. More restrictive intake and exhaust systems would also drop the numbers a bit.
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05-08-2008, 08:34 PM | #4 |
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intake, exhaust, and fudging. These are the three main reasons why Camaros make less power than corvettes with the same engine.
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05-08-2008, 09:08 PM | #5 |
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And the clouds swirled and opened to reveal - fbodfather, who said:
my quote about "forget all you know about engines" -- is very misunderstood and I need to clarify....... I made that statement when people thought we'd put an LS2 or a Z06 engine in the Camaro...........my point was: The LS2 is an old engine -- we have new stuff that you haven't heard about --- (remember -- this quote was a while ago!) -- I was NOT referring to Turbo Charged 4 cylinder engines!!!!!!! I am a V8 guy -- I am NOT trying to sell you on a perspective............other than: >Camaro will be class leading >It will be a car you can be proud to own................. http://www.camaro5.com/forums/showpo...7&postcount=24
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05-09-2008, 09:43 PM | #6 | |
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Quote:
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05-10-2008, 02:02 AM | #7 |
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Oh I agree it's definitely going to be a small block V8. Think of how many different versions GM makes right now. This will be a new version with a new RPO if I read fbodfather correctly.
z
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05-22-2008, 06:50 PM | #8 |
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wasnt the difference between the ls1 in the camaro and the vette basically different heads and intake ?
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05-22-2008, 07:10 PM | #9 | |||
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Quote:
besides the hp ratings, the vette has a better exhaust system, the camshaft is a lil different, the egr setup (if it even has it) is different, the intake is restrictive as hell on most f-bods (see free ram air mod for LS1s), as far as the tuning, most f-bodies came out with a detuned program which cut timing a lil sooner, changed the fuel injection tables, the shift tables, and various other things to keep the power numbers at a certain point. however, some ls1s did make it thru with a better tune out of the factory. a couple friends of mine with the exact same year cars (02 z28s) and the exact same mods (CAI, exhaust) dynoed one day, one had about a 23hp increase over the other guy. just depends on the tune. it can make or break you
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05-27-2008, 10:58 AM | #10 | |
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Quote:
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05-27-2008, 11:05 AM | #11 | |
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Quote:
Last edited by greysteel_M6; 05-27-2008 at 11:26 AM. |
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05-27-2008, 11:37 AM | #12 |
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Hopefully they'll give it an LS3 and "underrate" it.
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05-27-2008, 01:36 PM | #13 |
Petro-sexual
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+1. This was the 'norm before
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