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  1. Frank Mopar

    What’s with the valve.

    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.
  2. Frank Mopar

    What’s with the valve.

    Here is #4 intake. All the rest look like this.
  3. Frank Mopar

    What’s with the valve.

    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.
  4. Frank Mopar

    What’s with the valve.

    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...
  5. Frank Mopar

    Carb size for 512 stroker

    594 starts the speed trap to 660. Some tracks log it, some don’t
  6. Frank Mopar

    What’s with the valve.

    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.
  7. Frank Mopar

    What’s with the valve.

    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...
  8. Frank Mopar

    Strange Clicking Noise 383 Engine

    Soapy spray along the exhaust manifold. It will bubble if there is a leak.
  9. Frank Mopar

    Wipers not returning to Park Mode

    Check the wires at the motor. Key on engine off. Wipers OFF. One wire should have power.
  10. Frank Mopar

    Wipers not returning to Park Mode

    One wire that is hot all the time parks the wipers. Not sure which wire but that’s your problem.
  11. Frank Mopar

    SOLD MSD 6al & coil

    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
  12. Frank Mopar

    Best place to buy a new headliner for '73 Charger

    If and when you get a headliner, spread it out immediately. Imho.
  13. Frank Mopar

    Ditch the air tank for an inflator???

    I use the Harbor Freight compressor. Fills a tire fast unlike the battery powered ones.
  14. Frank Mopar

    My overheating senario….

    A closed system keeps all the air out off the radiator and engine. No air no rust.
  15. Frank Mopar

    My overheating senario….

    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
  16. Frank Mopar

    Pulling 440 WITH headers?

    Maybe with one side off. Just guessing.
  17. Frank Mopar

    Retimed 440 with dial back light

    Depends who you ask.
  18. Frank Mopar

    Dirty plugs. What say ye?

    Engine Masters did a test on spark plugs. Autolites made 3 hp over NGK.
  19. Frank Mopar

    Tie down question when Trailering

    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...
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