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h67st

Pedigreed Bulldog
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Everything posted by h67st

  1. h67st
    I scraped and wire brushed mine, then sprayed mineral spirits all over it and steam cleaned it thoroughly. If you have access to a steam cleaner, they will really get an engine clean. I used Nason epoxy primer and Ful-thane single stage auto paint; I haven't driven the truck yet so who knows how long the paint will hold up. It would be better to paint it out of the chassis but if you don't need to pull the engine then do the next best thing.
  2. h67st
    My memory is fuzzy on that, but I believe that's from the bottom.
  3. h67st
    When I've had a stuck clutch before, I just drive the truck down the road as usual but with the clutch pushed down. Eventually the disc will pop loose. Especially if you goose the throttle here and there to put a little jolt on the driveline.
  4. h67st
    You're right about the guide--my throwout bearing has one.
  5. h67st
    I took my clutch to my local clutch shop, they had one in stock ('59 673 with TR720). I think it was right at $500 for disc, pressure plate, and throwout bearing.
  6. h67st
    Do you have a part number for the one you bought?
  7. h67st
    My H67 has the 34k rears, it had aluminum caps on it. I read that Mack recalled all the aluminum caps in the 70's due to breakage, so I found some steel caps. That would be a real joyride if one of them broke.
  8. h67st

    Shop Talk

    h67st replied to Onyx610's topic in Odds and Ends

    I couldn't log on yesterday. I tried Firefox and Chrome, same problem.
  9. h67st
    Here's a question--I bought new fuel tanks and vented caps. Do I need separate vents for the tanks, or will the vented caps do the job?
  10. h67st
    These guys are right, even a tight engine will crank longer and smoke more when it's cold.
  11. h67st
    45E285B1-717E-48D9-AD11-706303F1411C.jpeg
    Those aluminum rims on the back are extremely cool.
  12. h67st
    95CA14C1-CA7F-42B5-8F08-5BA796CDB615.jpeg
    Two thumbs up! Nothing like an LTL.
  13. h67st
  14. h67st
    I had my 673 pump rebuilt at Purrformance Diesel in Fredericktown, they charged $1,100 which included several new parts. They are very particular, seemed like they wanted to make sure it was right.
  15. h67st
    Jack one rear wheel up and spin one revolution, count how many times the driveshaft spins and divide by two (such as 9 driveshaft revs would be a 4.50 diff ratio).
  16. h67st
    It's too bad you're in CA, we have a couple of shops in Ohio that still rebuild those pumps.
  17. h67st
    Only one thing better than a yard with a Mack in it...a yard with two Macks in it!
  18. h67st
    If the cab has lots of rust and the engine won't run, you're really looking at scrap price. That probably weighs 10,000 lbs so multiply that by metal price in your area. You could bump it up higher and see if you get any bites.
  19. h67st
    Mine had years of goop in the bottom when I bought the truck. I put some mineral spirits in it and let it sit, then drained it out...worked pretty good. Less harsh than acetone.
  20. h67st
    You could order custom colors. Are there any chips where you can see under that layer of paint?
  21. h67st
    Sounds like his problem was a relay valve, that would be my thought if a truck was acting like this.
  22. h67st
    Amen, thanks to guys like you standing in the gap, most Americans don't realize how fortunate we are to have an excellent military to keep things peaceful on our soil. I firmly believe that if we hadn't taken it to the terrorists in their country, we would have had more trouble in ours.
  23. h67st
    They always play a lot of radio chatter on Heavy Rescue 401, maybe it's 2 way radios or maybe CBs are more popular in Canada, eh?
  24. h67st
    You could have a Ralph Smith museum!!
  25. h67st
    My Brockway has a 335, I want to change the oil and filter before I try to start it. Does anyone know the part numbers for the filter and gasket? My understanding is the filter is inside this housing:

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