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mkoch

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mkoch last won the day on June 20 2020

mkoch had the most liked content!

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About mkoch

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    USMB Regular

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  • Location
    St Louis
  • Interests
    Woodworking, Judo
  • Occupation
    Manager, repairman at a violin shop
  • Vehicles
    1984 Gl Wagon 4wd

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  1. I did not notice a loss in power before the balking. I tried to recreate the problem today, and I was unable to make it balk. I did some before and after measurements. Old fuel pump, 2psi (13.8 kPa) at carb, 594 cc/ minute unrestricted flow. New fuel pump 5psi (34.5 kPa)at carb, 983cc/minute unrestricted flow. The unrestricted flow was from the forward fuel filter, so there must have been some loss to the vapor return line. Is 2psi fuel.pressure a problem with a Hitachi?
  2. ,85 BRAT, Hitachi, 49 state, new fuel filters, old loud fuel pump, new front and rear fuel filters. The car will hesitate and lurch under certain conditions. If I let the car just idle still for a while, and then accelerate, there is not problem accelerating, until about 20 seconds into it, then the balking begins. The normal acceleration indicates to me that both carb barrels are working. I just drove this car up a 1/10 mile 7% incline several times. I let this car idle, still, at the bottom of the hill every time before I did the test. 2nd gear, 2,000 rpm, the car makes it up the hill just fine. 2nd gear, 2,500rpm, the car starts balking halfway up the hill. I am guessing the problem is the fuel pump, or the valve which fills the float bowl. Am I missing something?
  3. I need to replace the clutch plate on my BRAT. While the engine is out, what else should I do?
  4. delete please
  5. I don't know! I installed the tires 1st thing upon buying the car.
  6. I don't know. Here is some information about the P7157. Maybe you can find a cross reference. http://random.removed.us/altswap.html mkoch
  7. Thank you for the follow up. I'd like to see pictures after you install the next piece. moch
  8. There is an aft heater hose, manual transmission, upper and lower hoses  for 7720 06290.  I can get a photo if you need it.  

     

    In the engine compartment, the heater hoses are upper 8076 15032   lower 8076 15042  

     

    My parts manual is 1984, which should be the same part numbers as yours.

     

    1. Dwayne Oxford

      Dwayne Oxford

      Thanx, M.

      Wish I knew how to get email notifications of posts here.

      Mine is automatic.

      There are actually 4, the long afts, upper & lower, then short fores, upper and lower.

      Again, thanx, sorry I didn't see sooner.

  9. Heya, thank you for all the great advice you put on the board!

  10. At highway speeds, there is a vibration, feels like it's from the front, steering wheel cycles left-right about 5 times a second. I just had new tires put on. What besides tire imbalance can cause symptoms similar to tire imbalance? mkoch
  11. The vapor separator is available over on ebay. mkoch
  12. 1985 Brat non turbo. I have a "vapor separator near the firewall, driver's side, (left, USA). Fuel comes from aft low in the separator, leaves low to go to the carb. Out of the top vapor returns to the tank. Mine is opaque, probably from age. Is it also a fuel filter, and should I replace it as preventative maintenance? Part number 7420 72020 . mkoch
  13. Does my Gen 2 Brat 1985 manual transmission have a rev limiter? mkoch
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