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  1. 71_dart_swinger

    516 heads with double valve springs ?

    Does anybody know if I can fit double valve springs on 516 heads. I’ve got a hydraulic roller and it’s finally time to change the valve springs as it starts floating valves.motor is still in car ‍♂️ I have a set of 452 heads and they will not go on those as the casting around the valve seal is...
  3. 71_dart_swinger

    Timing request 100 shot 360

    Good luck.
  4. 71_dart_swinger

    Timing request 100 shot 360

    I’m blind in one eye and can’t see out of the other. Lol. Look for timing strap/mark on the electrode. Needs to be in the rounded arch of the electrode. Best place to start to be safe. Set total timing to say 34-35 deg tdc. If your running 100hp jets. Rule of thumb. Retard it 2 degrees per 50...
  5. 71_dart_swinger

    Timing request 100 shot 360

    I have aem wideband in mine. Makes things much easier. Also an adjustable return style fuel pressure regulator can help fine tune it into the appropriate AFR you want. Best to get it where you want running tits before the spray. I have nx plate. 175 pills 6.2 degrees of retard set info the...
  6. 71_dart_swinger

    how much compression for pump gas

    10 to 1 would be good 10.5 to one is prob the most u might want to go u could get away with 11 but i wouldnt push it
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