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I have a sq trim with a aftercooler 3.33 pully. Was getting 10psi @ 6100 rpm. I just up graded to a lightning MAF, 42# inj. , a 75mm TB and a custom built 4"power pipe . I just took it out and am getting 14 - 15 psi @ 6 - 6100 rpm. I think this is way too much for the stock engine.
Who has done what and how long did it last ?
Thanks
 

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my friend has a P1SC 12psi kit that comes with an intercooler and he blew a hole right through the piston in a month :) good luck to u
 
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