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Old 11-02-2015, 10:24 PM   #149
Jackson Racing
 
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Join Date: Jun 2013
Drives: JR FR-S,
Location: Chino, CA
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Quote:
Originally Posted by BRZ'13 View Post
What gains can be seen on 94 octane? im at 255/195 whp/tq stock pulley with full bolt ons (headers, overpipe, downpipe) with the stock catback.

My tuner tells me fuel pump/injectors are not mandatory until 300whp. For some reason i am skeptical i will gain ~50whp with another 3psi

Will HBP pulley exceed this? Hence why its mandatory?
Remember the wheel hp/tq numbers on your tuner's dyno may be different from other dynos.
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