Recent content by matt4426

  1. M

    Bypass hose

    See picture: The heater core pressure line comes off upstream of the "closed" thermostat and allows coolant flow before the thermostat opens.
  2. M

    Bypass hose

    I think the heater core coolant circuit does the same thing as bypass hose on BBC.
  3. M

    Timing light recommendations

    That's a pretty big cam. It will probably like alot of initial advance. You running vacuum advance?
  4. M

    Timing light recommendations

    2nd the Innova dial back timing light. The light is very bright. The dial back feature is way nicer than trying to use a degree sticker that always flies off the balancer. O'reillys and other auto parts stores carry them in stock.
  5. M

    Mark IV 454 Engine Build

    I would go with what ever domed pistons you need for 10:1 comp ratio and a hydraulic roller cam with intake duration in the mid 200s at .050".
  6. M

    Heatercore to transmission problems.

    Vacuum modulator hose fall off?
  7. M

    Wiring harness options

    I just did my 79 K30 with American Auto Wire kit #510347. Came out great. The alternator power wiring and main cab power arrangement is much better than the stock setup. Hardest part was mastering the old delphi-packard crimp connectors.
  8. M

    Engine Carbon Cleaning

    Do an Italian tuneup.
  9. M

    Gas Gauge pegs at E

    I would check the wiring from the tank up to the gauge first.
  10. M

    Gas Gauge pegs at E

    Positive wire from sending unit top terminal to fuel gauge is grounded. If you pull the positive wire off the top terminal the gauge should read way past full.
  11. M

    Frame bracket for z bar

    There is one on ebay right now for $50. Item number is 225622349801.
  12. M

    Oil Leak to Header Pipe

    Can't tell for sure but its either the oil cooler port or the oil pressure sending unit port.
  13. M

    Rattle can noise when accelerating from stop

    You mean lifter noise. Maybe the dist. cap got bumped and advanced the timing a little too much?
  14. M

    350 motor no power

    It's a 350 in a heavy truck. Lower your expectations.
  15. M

    Wheels

    Looks like a Mickey Thompson classic II
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