What does the difference between 225 and 375 hp feel like?
What does the difference between 225 and 375 hp feel like? My 91' seems really quick in valet mode, but i do not think that with the secondaries on I am getting the additional 150 hp, although it is faster (acceleration test). With secondaries on, I can spin the tires at about 5k rpm in 1st gear.
Thanks everyone. Maybe I should invest in a fuel pressure tester...
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