07-11-2013, 09:31 PM | #1 |
Hittin E-Z Street on Mud Tires
Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Dead cylinder help
So my truck has essentially been parked for months. I had done all I could do to it at the time, and it was still running poorly, so I moved on to get my mustang ready for summer. It has been running great since 2002.
It has a 350 with HEI. I bought a fancy timing light with the clip on end. I got the bright idea to check all the wires tonight. All 8 had good solid spark at the top near the cap. I checked near the plugs as well... all good except #3, it had a very intermittent & poor to no spark. Sweet, I thought, bad wire. So I run the crimp up the wire, starts working about halfway up. Just to double check, I moved a "good" wire over to #3. Same thing, good at the dizzy, then halfway down goes to crap. That seems very odd to me... would a bad plug cause that??? I didn't have time to pull it, it was already getting dark out when I had the bright idea of checking... Any input for stuff to play with tomorrow? Trying to trace this demon down I've cleaned all the - connections, rebuilt the carb twice, fuel tank is new and fuel filter is clean, replaced fuel pump anyway, completely new dizzy complete with all new guts - coil, module, cap, rotor, etc... What sucks I that I'm pretty sure that while they are about 3 or 4 years old, the plugs & wires only have about 5 or 6K on them.
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride American Born, Country by the Grace of God 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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