Posted by glennster on February 05, 2008 at 05:46:34 from (75.56.54.142):
have a problem with a 88 mustang 2.3l 5 spd car. engine has a studder in it when blipping the throttle, also has a loud momentary knock, sounds like pre-ignition ping. motor sounds good after about 12-1500 rpms, holds steady. have checked ignition timing-right on steady, timing belt-right on, fuel pressure 40psi. cylinder leakdown, good. compression, cyl 1-125psi, 2-128 psi, 3-175psi, 4-180 psi. valve train works good, no bad lobes on cam. cyl 3 and 4 have real high cyl pressure. injectors seem to be good, plugs are a little black fuel fouled. plugs are new. problem started driving at low speed. any ideas where else to look??? i'm about ready to pull the head and peek inside... added oil when doing compression test, only came up a few lbs so rings look good. put the snap on scanner on, no error codes either.
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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