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jay.jay

posted on 19th Dec 15 at 19:12

I've had a twin piston dump valve on my LET for a while but it doesn't actually seem to open at all, which leads me to believe that the spring in it is too strong? Has anybody else had problems with the valves not opening on lift off?
I've got a baileys one but its single piston so doesn't stay shut on idle so the car stalls :lol: