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Re: waste gate tuning
Posted by JohnK (more from JohnK) on Sat, 30 Aug 2003 10:55:52
In Reply to: waste gate tuning, drew se spg, Sat, 30 Aug 2003 08:38:50
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Get a calibrated boost gauge...under $30 from summit racing or local spped shops. Tee it in with a length of hose into one of the small hoses connected to the intake(behind the throttle plate).
Jack up passnger side front slightly so you can get to the wastegate from below. While engine is cool, loosen the lock nut on the wastegate control rod, then unplug the APC solenoid(up near the coil on top of radiator. Drive car and floor it in 3rd to see what your base boost is. It should be between 5 and 6.5psi. To increase base boost, shorten the rod by turning it in. To decrease baseboost, lenghten the rod. About 2 turns per psi. Trial and error to get it right.
posted by 68.37.183...
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