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Feb 20, 2017 | 09:30 AM

vetteOnTheRun

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bolt ons

Ok guys I know there a bunch of threads on bolt ons. So far I have the flowing:
LT headers full exhaust with high flow cats
Cold air intake
ported throttle body
Diablew tune
throttle controller
This is what I am considering:
Intake manifold-wonder if the price is worth it
E85, injectors the whole set up -wonder if the gains are worth the cost
upgraded rocker arms- again the same gains vs cost
Guys i am just considering bolt ons. Not going into the engine yet and no boost.
My car is a 2008 LS3 auto.
Currently my best at the track is 11.9 spinning on regular goodyear run flats. I know upgrade the tires. But other than the tires what would you do? Any thoughts?

Last edited by vetteOnTheRun; Feb 20, 2017 at 09:31 AM. Reason: forgot the engine

Feb 20, 2017 | 10:34 AM

Brandon619

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Joined: Dec 2003

Posts: 5,047

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From: San Diego

Quote:

Originally Posted by vetteOnTheRun

Ok guys I know there a bunch of threads on bolt ons. So far I have the flowing:
LT headers full exhaust with high flow cats -Good
Cold air intake-Good
ported throttle body-Good
Diablew tune-There could be gains here with a more in depth tune, like HP tuners or EFI Live.
throttle controller-OK
This is what I am considering:
Intake manifold-wonder if the price is worth it-Me I would consider a ported MSD of port your stocker.
E85, injectors the whole set up -wonder if the gains are worth the cost-I'm looking into going E85 but the gains would be between 10-20 hp.
upgraded rocker arms- again the same gains vs cost-This will not make a difference in power but will help rocker geometry, this can be debated (short answer here).
Guys i am just considering bolt ons. Not going into the engine yet and no boost.
My car is a 2008 LS3 auto.
Currently my best at the track is 11.9 spinning on regular goodyear run flats. I know upgrade the tires. But other than the tires what would you do? Any thoughts?

I would consider tires, like an drag radial and some skinnies up front then more seat time

Feb 20, 2017 | 11:15 AM

vetteOnTheRun

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Joined: Aug 2011

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Quote:

Originally Posted by Brandon619

I would consider tires, like an drag radial and some skinnies up front then more seat time

Thanks Brandon. I think i will look into the intake manifold and the tires definitely.

Feb 20, 2017 | 04:27 PM

HOXXOH

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Joined: Sep 2007

Posts: 16,557

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From: Peoria/Phoenix AZ

C6 of Year Finalist (performance mods) 2019

Save your $$$$ for the intake manifold and rockers. Buy a converter, 17" Hoosiers, and a good dyno tune.
BTW, what CAI?

Feb 21, 2017 | 06:35 AM

vetteOnTheRun

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Joined: Aug 2011

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Quote:

Originally Posted by HOXXOH

Save your $$$$ for the intake manifold and rockers. Buy a converter, 17" Hoosiers, and a good dyno tune.
BTW, what CAI?

Blackwing SLP is the CAI.

Feb 21, 2017 | 08:50 AM

CI GS

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Joined: Apr 2013

Posts: 5,376

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Quote:

Originally Posted by HOXXOH

Save your $$$$ for the intake manifold and rockers. Buy a converter, 17" Hoosiers, and a good dyno tune.
BTW, what CAI?

By far the biggest bang for the buck will come from a good converter: Yank, Circle D, or FTI seem to be the preferred vendors on here. Lots of guys running 3600-4000 stall in their daily drivers. It will take some getting used to, and you'll need a good cooler, but boy, will it give your car a kick in the *** when you launch it!

Feb 21, 2017 | 11:41 AM

Gxpz06

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wouldnt rock arms be internal engine component and not be considered "bolt on" ?

and wtv may be considered how does that upgrade give you better performance?

Last edited by Gxpz06; Feb 21, 2017 at 11:42 AM.

Feb 21, 2017 | 12:20 PM

HOXXOH

Race Director

Joined: Sep 2007

Posts: 16,557

Likes: 2,106

From: Peoria/Phoenix AZ

C6 of Year Finalist (performance mods) 2019

Quote:

Originally Posted by vetteOnTheRun

Blackwing SLP is the CAI.

That's not a true CAI, but simply a different filter and housing. Something like a Vararam will give you about a .3 quicker ET, since it draws (cold denser) air from outside the (hot air) engine compartment.