Losing boost above 7k?
#13
Re:Losing boost above 7k?
I just pulled the gate and I think I've found my problem. I used shop air regulated to 15psi to pressurize the wastegate and simulate operating conditions. The seal around the valve stem where it goes up into the aluminum housing is leaking off pressure as fast as I could supply it. Anyone ever seen this before?
thanks,
Jared
thanks,
Jared
#16
Re:Losing boost above 7k?
New update. I tried a brand new 38mm tial gate, didn't fix the problem. Pressure tested the entire system, and found only one very small leak, fixed it, problem is still there. I'm stumped. Gonna reexamine my intake pipe tonight.
#17
Re:Losing boost above 7k?
Well, I guess I've fixed it. Either my cheap air filter wasn't flowing enough, or the coupler between the filter and charger was collapsing, I ran it just now with no filter at all and it pulls all the way to redline except for a couple misfires that I solved with new spark plugs.
thanks for all the help,
Jared
thanks for all the help,
Jared
#18
Re:Losing boost above 7k?
That figures. It's always something small.
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