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Old Oct 29, 2009 | 08:16 PM
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Default LS3 question
Camaro LS3 pushes out 420HP and Vette LS3 is at 430+ right? Was just wondering if anyone knew the difference between the LS3 in the Camaro and the one in the Vette? Cam profile, exhaust design, tune... etc?
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Old Oct 29, 2009 | 10:55 PM
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LS3 camaro is 426hp, LS3 vette is 430, only 4 different... vette with the active exhaust is 436... same motor, the 4hp could be the airbox
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Old Oct 30, 2009 | 12:48 AM
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Or tune.
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Old Oct 30, 2009 | 08:35 AM
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could just be slightly under rated too
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Old Oct 30, 2009 | 09:35 AM
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Air box mainly. Almost done fabbing one.....still need to add the ducting from behind the grill to bring true cold air into the filter.


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Old Oct 30, 2009 | 10:22 AM
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It would be nice to see an otr design for these cars. Hopefully your design doesn't heatsoak like the GTO's 90 degree intakes do.
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Old Oct 30, 2009 | 12:19 PM
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Originally Posted by oshia86
It would be nice to see an otr design for these cars. Hopefully your design doesn't heatsoak like the GTO's 90 degree intakes do.

Aluminum always heat-soaks....so that is an issue & I agree.
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Old Oct 30, 2009 | 04:27 PM
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Ok, so identical engines. I figured it might be exhaust design or tune. Air box as pointed out as well. Does the Vette also have 4 cats behind the exhaust manifolds?

CAI looks nice, but i have also heard that aluminum elbows have heat soak issues.
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Old Oct 30, 2009 | 04:45 PM
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Originally Posted by blackjack325
Ok, so identical engines. I figured it might be exhaust design or tune. Air box as pointed out as well. Does the Vette also have 4 cats behind the exhaust manifolds?

CAI looks nice, but i have also heard that aluminum elbows have heat soak issues.

Tune shows basically the same, air box is the most limiting and the exhaust is as well but to a lesser extent.

As for this intake design most people want bling over function....I prefer function period so will design one out of composite in the future.
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Old Oct 30, 2009 | 04:47 PM
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Roto-Fab is the way to go.
Attached Thumbnails LS3 question-img0101.jpg  
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Old Oct 30, 2009 | 05:31 PM
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they should have just used lid/ram air type box like on the 4th gens.
whats the point of the stupid mail slot in front for??
prolly just makes alot of wind noise.
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Old Oct 30, 2009 | 08:38 PM
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Originally Posted by blk/slvr02ss
Roto-Fab is the way to go.
^^^ sweet looking CAI... n a huge lookin tube!! whats the diameter on that? what kind of power does it yield i wonder?
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Old Oct 30, 2009 | 09:24 PM
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Originally Posted by oshia86
It would be nice to see an otr design for these cars. Hopefully your design doesn't heatsoak like the GTO's 90 degree intakes do.
Like this one?
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Old Oct 30, 2009 | 11:49 PM
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woa... what kind of CAI is that??
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Old Nov 1, 2009 | 12:13 PM
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It a Vararam unit.
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Old Nov 8, 2009 | 12:56 AM
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Originally Posted by 2ssrs
Like this one?
I want one. Where did you get that? I want one bad.
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