please help!

38mustang

Registered User
hi everyone! I need help! When I'm at about 3000 rpm's i only make 8-10 psi and then it stutters and pops. any ideas? maybe spark blow out? Thought that would be unlikely since 8 psi is not that much... Another problem is I'm only making 10 psi.... with 20% OD with MPX case and intake plenum????? Bypass valve is working properly and I've done multiple pressure leak checks! nothing. Any ideas?
 
I had the same issues, had to strip it down and reseal everything real good like...... changed the plugs too.... stopped the back firing and bucking.

Justin
 
Try pulling a plug after it does it and see if it looks wet or has deposits on it. It does sound like a spark issue. As far as the sealing, mine was pretty tough to get the intercooler pipes sealed (when I still had the stock IC :)). There are some really great teflon gaskets on Ebay. I got some and love them.
 
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