BPC fixed overboost!.. 2 digit code on back of valve? - Saab 9000 Bulletin Board - Saabnet.com
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BPC fixed overboost!.. 2 digit code on back of valve?
Posted by SMP (more from SMP) on Wed, 6 Jul 2011 07:28:12
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So my car ('93 Aero) was suffering from overboost (sometimes to cutoff) and boost fluctuation under load. I took a chance and bought a "good" used BPC valve ($50) from you know where and sure enough, I installed it and all appears to be well! I haven't got it on the highway yet which will be the real test as to if the boost still fluctuates but it doesn't seem to be overboosting at all now :) Well see how long it lasts. Supposedly it came off of a NG900 B204 engine.
The "bad" valve tested fine but I am assuming that it was disc wear that caused it to fail.
Does anyone know what the 2 digit letter/number code is on the back of the valves? The one I just installed has "2F" stamped on a flat spot on the back of the valve and the bad one I just removed had "RJ" on the back but it looked as though someone scratched it on as opposed to it being stamped... just curious!
posted by 72.64.3...
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