i ahve a 88 5.0L 5 speed all stock with shorty headers h pipe cat back mass air conversion fpr 3:73 and see about 6 psi with the sn 92. what should be about my hp and track time off hand if anyone ever had a set up close and ran it? also i dont know the pulley sizes but if i went to the 3.75 and say i have a 6 or 6.5 not sure yet would that spin to much shifting at like 5900 or 6000? and with the small pulley will i see 8 psi?
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