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mackdump600@yahoo.com

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About mackdump600@yahoo.com

  • Birthday 03/31/1954

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  • Location
    smithfield pa

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  • Interests
    old trucks, macks, motorcycles, girls, work
  • Gender
    Male

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  1. Hi there’s a fella in Harrisburg it is FEASER machine shop number 717 236-9387 he rebuilt a 1970 707 gasoline engine for me did a fantastic job on it give them a call
  2. Hi I have a 70 R608 with the 707C engine and it melted the pistons on me twice ,do yourself a favor and weld in a bung at the exhaust pipe ,couple inches from where the steel pipe connects to the manifold and monitor your pyrometer and see how hot your running ,mine at 1800 RPM would go up to 1300° pretty quick and melted the Pistons ,still haven’t found the exact reason why ,water temperature does not go up ,just exhaust temperature pretty expensive to replace the pistons in that girl ,good luck
  3. Hi Calvin Little in Harrisburg pa 7175668973 Or John Chalmers chambersburg pa 7173348709 might have some what size engine do you have and where are you at? I have a B 58 405 with the 354 Chrysler hemi
  4. I registered I think a B model how do I check and see if it’s in the book or look at the registry for how many is in there
  5. Hi can you give me more information on timing the 707 c    engine ,is it on the fly wheel or where  under the truck

    1. Keith S

      Keith S

      https://t.me/pump_upp
    2. Keith S

      Keith S

      https://t.me/pump_upp
  6. Thanks I’ve been looking for and I miss her too and I enjoyed her reports on the truck
  7. Thank you for trying to help me I will double check everything again water temperature does not go up ,its exhaust temperature with the pyrometer goes up extremely fast when it starts to lug down, went up a heat range hotter on the spark plugs haven’t been running it much yet to see if that helps I appreciate the thought have a good day my friend will post when I find a problem
  8. Hi not so far, I also have a 49 Chevy 4400 series 235 six cylinder and it takes exactly the same rotor cap and button as my Mack ,also the per Tronics was the same as I put in my Chevy . everything else is just Standard turn signal relays. I changed it over to negative ground from positive and only had to reverse the wires on the temperature gauge and it still works today , went to a one wire alternator and did away with everything else on the old charging system in 04 and haven’t had a problem with electrical at all .
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