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  1. Replies
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    60

    I was able to dig into my notes, so here you are:...

    I was able to dig into my notes, so here you are:

    Of course, these motors use mostly bolts, with the only through stud being between the cylinders.

    On the left, you have two, 3" bolts at front...
  2. Replies
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    439

    I like pragmatic solutions. I'm with you. But I...

    I like pragmatic solutions. I'm with you. But I would go back to the original feed pump, and leave the new scavenge pump in place as a first step.

    Jim
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    439

    No! Do not block off the pressure relief. But it...

    No! Do not block off the pressure relief. But it would be good if you could redirect the excess oil outside the motor to cut the volume in the cam chest.

    In the flywheel cavity, you should have 4...
  4. Thread: shovel heads

    by JBinNC
    Replies
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    211

    The 3. 78 by the pushrod cutout is the casting...

    The 3. 78 by the pushrod cutout is the casting date (March 1978) and so these could be for a 74 or an 80, same heads for either. They SHOULD have intake spigots cut for o-rings and 9/16 diameter...
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    Maybe not enough, if you also have a feed pump...

    Maybe not enough, if you also have a feed pump delivering more oil. Does the excess oil from the pressure relief on the feed pump dump oil into the cam chest? If so, that volume of oil may be...
  6. Replies
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    439

    Your description of leaving a trail of oil, etc....

    Your description of leaving a trail of oil, etc. makes it sound like your new scavenge pump is NOT WORKING.

    Jim
  7. Thread: Panhead build

    by JBinNC
    Replies
    7
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    149

    From here it looks like the correct frame...

    From here it looks like the correct frame (DuoGlide) for the motor.

    Jim
  8. If one head is getting warm and the other is not,...

    If one head is getting warm and the other is not, you more than likely have an ignition problem. First, put fresh plugs in it. If that doesn't cure the problem, look at the points, coil, and plug...
  9. You may be getting some carburetor icing until...

    You may be getting some carburetor icing until the motor is good and warm.

    Jim
  10. Replies
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    172

    Are they doing any stock bore stroker pistons?...

    Are they doing any stock bore stroker pistons? All I have seen so far are for 3 5/8 bore.

    Jim
  11. Replies
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    172

    Yep, even modern "low expansion" forged pistons...

    Yep, even modern "low expansion" forged pistons expand with heat more than you might think.

    Jim
  12. Replies
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    439

    CD, You have had this problem for a long time....

    CD,

    You have had this problem for a long time. Are you sure your breather tube does not leak? It would seem that if it drips oil constantly, that it is not sealed up. It is a separate tube, like a...
  13. If it has an alternator, no charging lamp is...

    If it has an alternator, no charging lamp is possible. There is no provision for one.

    If it has a generator, the charging lamp needs to be isolated from ground, and one lead from the lamp base...
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    A couple of more thoughts about your dilemma. ...

    A couple of more thoughts about your dilemma.

    First, if the stroker pistons you had were forged, running them at .006 skirt clearance would have been just fine, but from what I gathered you have...
  15. Replies
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    172

    The difference between a 74cu.in. shovel and an...

    The difference between a 74cu.in. shovel and an 80cu.in. shovel is in bore and stroke. The bore for the 80cu.in. motor is +.060 of the 74cu.in. bore. And the compression height (or piston wristpin...
  16. Replies
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    136

    I'm with you. I repurpose stuff in the shop...

    I'm with you. I repurpose stuff in the shop regularly and I never throw anything away except paper.

    Jim
  17. Replies
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    228

    First, the timing hole is 8 degrees wide, and the...

    First, the timing hole is 8 degrees wide, and the rear cylinder TDC mark is 10 degrees away from the front cylinder advance timing mark, so you should not be able to see both in the hole at the same...
  18. Replies
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    136

    May not be able to get the bearing below flush by...

    May not be able to get the bearing below flush by using a cam for a drift.

    Jim
  19. Replies
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    George's Garage. Cam bearing puller $90....

    George's Garage. Cam bearing puller $90. Disclaimer: I don't know about the quality of these offerings.

    For the install, a bearing/ seal drift will do. Depth of install is not critical, as long...
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    Sounds like you fixed some previous fuckery. Good...

    Sounds like you fixed some previous fuckery. Good on you!

    Jim
  21. Replies
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    Front cylinder on compression stroke and advanced...

    Front cylinder on compression stroke and advanced timing mark centered in the hole, like your you-tube clip shows. You want to install the timer with the point rubbing block clockwise from the narrow...
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    Do you have the stock manual timer or a later...

    Do you have the stock manual timer or a later auto advance timer?

    Jim
  23. Replies
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    311

    My own '80 FLH has had two stroker motors, one...

    My own '80 FLH has had two stroker motors, one with the narrow S&S flywheels, and the other with the T&O Torquemonster flywheels. The heavier flywheels definitely make it better on the road. They...
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    The thrust plate in your '98 would be a hardened...

    The thrust plate in your '98 would be a hardened washer about the size of a 50c piece, and it goes on the inboard side of the cam.

    You can just tap the cam out of the cover, after removing the...
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    Yes, that is a vacuum line serving both the VOES...

    Yes, that is a vacuum line serving both the VOES and the petcock. You are right, no VOES with a Dyna S. You could keep the vacuum petcock if you wish. Block off what you don't use, so there are no...
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