Okay I've been having lots of problems with my ford '89 F-250 with 460 EFI I just rolled 164,000 I have loss of compresion i found a spot on my headers where its leaking out the gasket, then when im driving behind the cab I can hear a blowing out noise and i dont know where its coming from and i have like no pick up i have to slowly build RPM's to shift and i really dont like it If anyone could help please I really miss my beast i just put new plugs, wires, and cap on it.