When the engine is at idle pop the bonnet and cover the dump valve outlets with your hand.If the idle speed picks up or you can feel air leaking then the dump valve is either unsuitable,faulty or needs adjusting?
Generally a dump valve with a plastic inner plate and spring is no good for an s12.
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Originally Posted by s13eater
i wished my cams cost only £130 each, i must have c*nt wrote on my head  |
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