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patkeefe patkeefe is offline
one of the great unwashed
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Join Date: Apr 2004
Location: Ringwood, NJ
Posts: 2,850
I have this problem also in the turbo SC. However, Prior to getting the IA head and Leask stuff, I did all of the precautionary stuff to determine what I needed. I had a homemade adjustable WUR, no IA head, and couldn't get AFR's below 13.5, this with fairly low control pressure. So, I opted for the IA head...they said they could get me ONE POINT lower on AFR. Just so happens I got three points lower. That is a big difference, and as Doug any almost everyone else here says, it can barely be tuned out. It is pig rich before the solenoid control comes in.

I was working on this problem last week, but got sidetracked installing more oil coolers.

There must be a simple way to lower the volume into the head.
Patrick E. Keefe
78 SC
01 Boxster
Old 05-31-2008, 06:54 PM
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