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unclebilly unclebilly is offline
aka 'vageen'
 
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Join Date: Nov 2003
Location: Calgary, Alberta
Posts: 4,242
Garage
Did I get this right that you have a tial wastgate and a blow off valve on the intake side? Maybe you are losing all boost.

If your car is a 77, you have a boost gauge (in accurate but still an indicator). Do you ever get boost?

It sounds like your car is going full rich off idle. The mixture adjustment screw is what sets this and my guess is that this is your problem.
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77 911S Wide Body GT2 WCMA race car
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Old 07-12-2014, 05:23 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #9 (permalink)