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Production 4.1

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007gn

Active Member
Joined
Nov 25, 2011
Messages
126
Is anybody running a production 4.1 in their combo & if so what's your combo and fast are you goin in the 1/4 mile?
 
I am. Bought the long block from another MAGNA member. In their car with a 67 turbo at 20psi and mild launch on dr's it went 10.80 at 124. My car is in the process of being finalized and tuned so no times yet. My combo with no tuning and only 93oct made around 400rwhp at the same psi. Shop told me potential for low 11's on 93oct if it hooks. Most likely running 255/60 mt et dr's on T wheels.
291 block .030, TRW hypers, COMP 212/212 roller, 1.6 roller rockers, ported stock irons, champion ported stock intake, 62mm TB, 60lb inj w/TT 5.7, PT6262E billet, external gate w/atmosphere dump, 3in dp/test, 2.5in dual ATR, Gbody SLIC, LS1 MAF, CK street/strip trans w/billet parts, PTC 3000LU, UMI upper/lower rear control arms, kirban springs, dual bags, stock rear end.
 
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