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I got an IR gun finally so that means I need to mess with everything naturally. 7 cylinders are reading 510-520. Cylinder is running between 590-600. Tomorrow morning I’ll pull the plug to see what it looks like. That big of a variation warrants looking into right? Or am I over thinking?
If plug is ashy looking, then I’m guessing injector is clogged or something. Black would be too much fuel so either spark or injector stuck open. If plug looks fine, then I need to do compression test to see if valve isn’t closing all the way?
Any other thoughts??
Readings were taken around 3” from header flange on each tube.
decided to pull plug real quick. Lighter color is #3, other is #2 cylinder. Not a major difference, but there is one. If it makes a difference at all, I do run a 6A box.
decided to pull plug real quick. Lighter color is #3, other is #2 cylinder. Not a major difference, but there is one. If it makes a difference at all, I do run a 6A box.
Don't do like me. I changed the plugs, wires ect. Passanger side pipe and cat glowing like a stove burner on hi. Got the schenatic and rewired all the plugs. Does much better now. I'll be 68 in a few days, so after over 50 years now and I still make a boo-boo every once in a while.
I recently exchanged 2 or 3 serpentine belts thinking they sold me the wrong size. I was routing it wrong! Using the diagram.. I understand boo boos! Wire routing is correct and I even have separators on them to avoid cross fire! Thank you!
I would probably just run it and monitor it for a while before tearing into it.
About 10k miles ago (3yrs), heads were pulled and R&r’d, ported and 17.2 roller rockers. New cam was installed as well. New 19lb injectors were added (originals were 14).
I wouldn't expect too much from a bottle of cleaner but it won't hurt to try.
Doesn't seem like much mileage in 3 years. When was the last time it went for a good long drive?
Last month. 2 hrs each way. 99% of my driving is stop and go inner city pulling a landscaping trailer. Once a week if not more, I do take her down a straight away and launch throw the rpm’s to help clean the cylinders some.
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