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Alan L Alan L is offline
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Join Date: Apr 2006
Location: New Zealand
Posts: 3,545
Yes I am at a loss to as to how to diagnose loss of fuel pressure under boost - unless a gauge is specifically set up for road test.
It really seems like a massive fuel dump on boost - or an air leak - or both.
The best way to test air leak is pressurise the system and find where it is leaking from - you may be surprised. What does the WP drop to on boost? You can test this in the w/shop. Presumably he has if he is checking the WUR out.
Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-)
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