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Old 08-31-2006, 08:38 PM   #4
Scooby Guru
Member#: 15822
Join Date: Feb 2002
Location: MOCKBA
1999 WRB GM6
2.34 LR destroker


AFAIK only the B4 comes with dual avcs on both intake and exhaust
I have not seen V9 heads open, so I really couldn't tell you if they are any different from V8 - everyone has his own opinion on this, but I won't say anything untill I see it with my own eyes

DBW STI has AVCS too, so I am thinking you could keep your harness and wire the 8 wires to the V9/8 heads. Also keep in mind, to keep DBW (which seems to be the easiest way) you gotta keep your DBW intake manifold (unless you can convert V8/9 intake mani to DBW )

AVCS is same in all JDM STIs, it's just a system The difference lays in:
1. cams
-Spec C have MORE agressive cams, thus better to go V8 Spec C rather than usual V9 (V7 spec C = V8 cams, but we are not touching V7 here)
2. tuning
-Spec C's have more agressive AVCS can program AVCS map...Autronic supports it right? I've never dealt with that brain

Hope I clarified it
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