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Subject Biggest power gain for $1K w/ my mods?
     
Posted by my91z on October 29, 2008 at 12:46 PM
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Message See profile for mods, please.

I have auto turbos and cams, so probably don't breathe as much at the top end as a 5-speed turbo/cam engine. To me it feels quicker as-is to shift into 4th early, rather than wind out 3rd, hence I think I'm running out of air at high rpms. I have 5-speed turbo housings and cams, and if/when the engine comes out again I'll swap them in.

I have the NA 4:10 rear end.

I'm not into driving over 90 mph, so max top end power isn't my goal. I want to be able to go 50-80 more quickly. Or 40-60. Etc. Much under 40 and I'm in the meat of 2nd gear and can't really put the power down anyway.

I had been driving on 5 psi (wastegate springs) for 6 months after my swap. Later, we messed with my AC and pinched a BC line. When I got wheels/tires and went to Hi boost (14-15), I was actually hitting 17Psi+. I liked the 17psi boost A LOT :-) I only hit it a couple times, and only for a couple seconds.

I'd like to get closer to that 17psi feeling again, but more safely. What mods can I do for about a grand to get there? Used parts are OK if I can find good ones. Options, but not limited to:

Intercoolers
Injectors
AFC+Dyno tuning
Water injection

Not interested in race gas or NOS.

Thanks for any input,

Mike

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