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Old 12-02-2007, 02:25 PM   #1
Scooby Newbie
Member#: 136105
Join Date: Dec 2006
Chapter/Region: South East
Default semi build block 2.5 version 7 head with gt35

can anyone help me timing n afr
since im new to sti motor not sure how much timing am i suppose to give 97 octane in our country with 27 psi max boost so that motor make power and be safe
from 4000-5500 (peak TQ) at at 27 psi?
from 5500-8000 (peak HP) rpm at 27 psi?
wat sort of afr i should have in boost
i just want the rough figures
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