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Old 06-23-2013, 02:06 PM   #16
Garrett whine rules
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Join Date: Oct 2011
Location: Portland de Oregon

Have you considered CERTAIN the hose from AMM to turbo isn't collapsing under boost?

The pressure test won't show this collapse because it makes hoses expand with pressure.

When actually driving the opposite effect is happening: the turbo literally is sucking air out of the AMM into the turbo and an old oil soaked hose will distort and make a smaller opening, choking the boost. A cheap fix is to take a second hose clamp (or two) and place it between the AMM and the crankcase inlet hose stub. this helps hose stay round instead of squished under the intensity of boost.
Stage Zero Is A Smooth Machine (I'm not a racer but I play one on TB) 1986 740 Turbo wagon

Last edited by Bensin; 06-23-2013 at 02:31 PM..
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