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Everything electrical has been addressed. Why? Because that’s what would make that plug black but it’s not the cause.
I even (but not for the fouling plug reason) rather a three step function swapped out my MSD for a Pertronix ignition.
Yes Sunoco racing gas. Leaded.
It’s the correct heat range. #2 cylinder is the only one black like that.
This started out of the blue. Running a different carburetor fixes it.
At the top of rpm it will backfire once. Could do it in every gear at the high rpm. One time. Never backfires twice.
Right now the heads are at the engine shop for checkup. The carb people tell me the front and rear metering blocks are the same to swap so that’s the plan. Unfortunately next...
That’s the only plug that looks like that. All others are ok. 86 jet.
More background. The car ran perfect for year and a half. On one run it backfired 1x and this issue persists.
Swapping the carb and the problem went away. So the question is, why only one plug? #2 cylinder.
Check out the pic of the valve. What’s your thought of it being so clean and the plug being so black.
Background. Race engine with a high speed backfire at the top of rpm range. Usually one pop.
Everything electrical was addressed and that is not the cause.
512 with 240 trick flow heads...
ew last year. Fully adjustable dials and 2 step. Swapped out for the Pertronix with 3 step function.
MSD coil included.
This is my personal item not a bought to sell thing.
$300. Paypal F&F. Free ship to lower 48
Stant 10231 cap and any coolant recovery bottle that fits your liking. Now you have a coolant recovery system. This keeps the radiator full and keeps the nasty off the street. Everyone should be running this
3500 lb winch is more then enough. You’re not pulling the car up the side of a mountain.
Strap the front around the k frame, rear around the axle, underneath the brake lines if they in the way.
I don’t cross the straps but some guys do. It’s kinda like asking what kind of oil to use.
I tow...