What to do next?

RI_2011_GT

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Dec 26, 2011
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498
Location
Rhode Island
Brand: Roush TVS 2.3
PSI: 8.5?
Exhaust Upgrades: Roush Axle Back
Under the hood Upgrades: JLT Big Air Intake, AFCO Heat Exchanger,-1 Colder Spark Plugs
Injectors (brand/LB): Ford #47
Tuner/Tune: VMP
Additional Upgrades or information: 82mm pulley, 3:31 Gears
WHP/WTQ: To be determined

Smaller Pulley, Headers, Bigger Throttlebody...?
 

Bud

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Jul 10, 2011
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Colorado
People have been 9's on the stock headers and gt500 TB. I vote smaller pulley and injectors or bap if needed. Pulleys are so cheap and easy if the motor/fuel can support it.
 

truebluedevil02

Captain Jackstands
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Jun 1, 2006
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the moon
People have been 9's on the stock headers and gt500 TB. I vote smaller pulley and injectors or bap if needed. Pulleys are so cheap and easy if the motor/fuel can support it.

this, the stock headers are pretty solid so there really is no need to replace them unless your really trying to max out your setup. I would go with a smaller pulley, TB, and any other fuel mods to support it. After that, start saving for a new motor, lol:rolling:
 

SILV03MustangGT

Han Brolo CDR 5.Broliance
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May 23, 2004
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Mustang Ok
I've been meaning to get the car on the dyno. I want to see how my car compares to a similarly modded car with stock headers. You have the heat exchanger and the Jlt so that may make up the difference the headers made on my car.
 

deepsouthtech

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Feb 19, 2007
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GA
How do you like the AFCO Heat Exchanger? Any fitment issues? Thinking of getting one myself.
 

alex12gt

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Jan 27, 2012
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moline, il
The 79mm is as small as you can go with 47lb injectors and your pretty much at the limit now so i wouldnt wana push to much more and with that jlt and 79mm id bet your at 10 psi aprox......for hp reference i put down 575hp with the stock pulley and jlt
 

SILV03MustangGT

Han Brolo CDR 5.Broliance
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May 23, 2004
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Mustang Ok
Alex my boost hits 11psi at the hit the. 82mm pulley then levels to 8.5 I'd be a little worried how much the 79 spikes too
 

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