vmp 2.3 tvs boost

[04oxfordvert]

stupid question. but looking for responses from experience. i have a gen1 with gt500 tb. arh 1 7/8 lt hedders. 3"inlet to 2.5" outlet thru ataks. runnin a 2.8" pulley. what should i expect for boost. i want to be nl more then 18#'s as my 91 is shit. thanks

 

[Bdubbs]

That combo should be around 19lbs. That's what I hit with arh 1 3/4 headers and a 2.8 pulley. 3" I was at 17lbs.

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[blownfox]

It will depend on air/elevation. I'm running kooks LT with catts on a 3.0 pulley and only made 15PSI. I'm installing a 2.8 this weekend and hoping for 17PSI.

 

[whitedevil95]

It will depend on air/elevation. I'm running kooks LT with catts on a 3.0 pulley and only made 15PSI. I'm installing a 2.8 this weekend and hoping for 17PSI.

Thats the same as me. I have 1 3/4 headers and only saw 15.4psi on the 3.0 and see right at 17.0 on the 2.8 pulley.

 

[Bdubbs]

Geez what elevation are you guys at?

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[MG0h3]

Geez what elevation are you guys at?

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Elevation kills you. The harder you spin it the more pronounced it is.

I lost @2.5/3 from sea level to 4k’

I’m pullied for what gives most guys 24psi. I see 19-20.


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[blownfox]

Geez what elevation are you guys at?

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1300 above sea level. Humidity might have something to do with it to. My car was dyno tuned this time last year. As an example, today feels like 100 degrees with the humidity if 37%.

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