What should I do first?
Thread Starter
On The Tree
Joined: Jul 2011
Posts: 178
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From: San Diego,CA
What should I do first? I can either do a FAST 92/92 set up with headers and a tune (install myself) or ported ls6 heads /cam/ stall. Plus all of the supporting mods. I can install the stall myself but I have already been quoted 1750 for a h/c install with tune. I can't do everything at the same time due to my budget. What should I do first? Is there a different order you would do these mods?
you will need a tune if you do the intake/headers. try to do everything at once. it will be cheaper in the long run. If the installer is dropping the engine out to do the heads/cam he can do the headers,intake, and stall at the same time for nothing.
Thread Starter
On The Tree
Joined: Jul 2011
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From: San Diego,CA
Both of those are good suggestions and that would be ideal for me, but I will most likely be doing them a few months apart for budget reasons. I also want to feel the power differences throughout the build that way I can tell what helped out the most.
Thread Starter
On The Tree
Joined: Jul 2011
Posts: 178
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From: San Diego,CA
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I just did 1 7/8" headers and went from a 2" to a 4" exhaust without a tune. Didn't notice much difference in power but I need to mod my muffler tip to get rid of a restrictor. In theory, I should be running leaner but I think the MAF just corrects. My cam has -20 overlap so the headers are not doing their thing yet.
I can't speak for a 92/92 set up. Larger MAF or injectors MUST be corrected for in the tune.
I can't speak for a 92/92 set up. Larger MAF or injectors MUST be corrected for in the tune.
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Usually the initial tune is costly but a re tune shouldn't be that expensive. If it were me I'd do Exhaust, stall and tune first. It's always nice to see a baseline of what the car makes.
TECH Addict
Joined: Aug 2005
Posts: 2,305
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From: Monroe,NY
I ran my 05 gto and 2008 vette when I installed CAI and headers for a month on both before I had them tuned and there were no problems except codes for the rear 02 sensors. After I had them tuned I couldn't tell much of a difference except my codes were gone.
Give us a call & we can discuss your combo. Honestly you really need the headers and ex mods in place before h/c imho. Its the basis for all future mods.
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Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
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Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com