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  1. 392 engine, can valve lifters be changed without pulling valley pan off? Thru head?

  2. Solved it! Problem was the carb idle circuit too...

    Solved it!
    Problem was the carb idle circuit too lean, so was a lean miss. Turned fuel mixture screws out 4 full turns then was good.
    I also rebuilt - cleaned both Quadrajet carbs.
  3. 1970 IH 392 contoured pistons, has developed an erratic random miss.

    I just realized my engine is missing. Badly enough that when cold the engine when it idles down wants to die and does.
    It misses very noticeably at low rpm, and less noticeably at high rpm, like...
  4. thanks for that number

    thanks for that number
  5. valley pan gasket 392 part number available separately?

    Looking to get one, but seems to list only in sets.
    Did Felpro etc... list this by itself?
    There is a rubber version and rubber-cork, so numbers for both please if you have them.
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    If you get a seriously stuck intake valve, you...

    If you get a seriously stuck intake valve, you can fix this without pulling the head.

    Take out the spark plug
    turn so piston is down
    feed a nylon braided rope into the cylinder about 5/16 to 3/8...
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    the 350 diesel will also snap its head bolts...

    the 350 diesel will also snap its head bolts clean off where they enter the block. Then you get leakage of coolant into the chamber and they hydrolock and snap the cranks etc... They likely snapped...
  8. marine stabil for e10 gas? and will it prevent intake valve sticking?

    what is your experience with sticking intake valves?

    put in marine stabil ?
    put atf in the gasoline?
    something else?

    I recently had an intake stick and yes the gas is older.
    so someone...
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    ok that has me concerned. Why would this cause a...

    Recently he "lead footed" it and bent a pushrod.

    ok that has me concerned. Why would this cause a pushrod to bend?

    Only thing I can think is maybe an intake valve is sticky perhaps due to some...
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    actually good information to think about when...

    actually good information to think about when buying a used engine. I am not sure how you can tell if an engine your interested in then has a crack except perhaps pulling the intake valley pan and...
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    makes sense. So how about the heads, where would...

    makes sense. So how about the heads, where would they crack or would they just pop the plugs?
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    oil prime pump with electric drill

    I made a tool from a 2 foot piece of 3/8 threaded rod.
    I matched the profile tang of a distributor.
    I basically with some multiple hammer blows formed a tang.
    I then formed a hex on top of the...
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    I have 2 of the 392's in a boat being Palmer...

    I have 2 of the 392's in a boat being Palmer marinized from 1970.
    They have brass plugs. I always use permatex no.2 on things like that.


    I seated them well, but when it unexpectedly got down to...
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    They both have antifreeze. Although one year I...

    They both have antifreeze. Although one year I ran pure water and noticed they ran cooler. Antifreeze actually insulates more than pure water.
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    frozen 392 block what would crack or no?

    Since it is getting cold, I was wondering what is the weakest most likely part to crack on a 392 with non IC?
    Or will the plugs just pop
  16. valves recessed in head, engine heats up, valve...

    How do you compress a working hydraulic lifter in a reasonable time?
    valves recessed in head, engine heats up, valve stems get longer, hydraulic gets to bottom of plunger, valves can no longer shut....
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