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  1. Thread: Low Spark

    by JBinNC
    Replies
    7
    Views
    93

    Yes, both the head and manifold must be cut for...

    Yes, both the head and manifold must be cut for o-rings or they won't fit. But the o-rings are as close to foolproof as you can get, as long as you have good clamps.

    Jim
  2. Thread: Low Spark

    by JBinNC
    Replies
    7
    Views
    93

    Have you serviced the advance unit on this motor?...

    Have you serviced the advance unit on this motor?

    Are you using the intake manifold o-rings that are stock and correct for this motor, or are you using the bands?

    Too much advance and/or a...
  3. Thread: Low Spark

    by JBinNC
    Replies
    7
    Views
    93

    Good list above. I will add: weak spark at...

    Good list above.

    I will add: weak spark at cranking speed is one symptom of a bad condenser. Lots of bad condensers and bad coils out there these days. Quality control just does not exist for...
  4. I don't recall anyone here calling you a liar,...

    I don't recall anyone here calling you a liar, least of all me. I think I'm done here.

    Jim
  5. Dude, you need to learn not to talk down to...

    Dude, you need to learn not to talk down to people who are trying to give you help and advice. I'm guessing you are young and VERY inexperienced. But that is no excuse for being rude.

    You go ahead...
  6. I looked over that video. Not really applicable...

    I looked over that video. Not really applicable to a pan or knuck for a number of reasons.

    You are right about the port sizing. S&S said one reason their 98 cu.in. Sidewinder shovels ran so well...
  7. The only thing I know is that so many of these...

    The only thing I know is that so many of these old heads that have been "ported" have had the guide bosses completely removed. And that gives the already short guide even less area to be anchored to...
  8. Replies
    106
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    3,188

    See my post #53, above. Jim

    See my post #53, above.

    Jim
  9. Replies
    5
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    121

    I've got a similar tool from Champion Spark Plug...

    I've got a similar tool from Champion Spark Plug that is shaped like a ball point pen and is at least 50 years old. It has a little neon(?) tube in it that flashes with the spark. Very handy.

    Jim
  10. Replies
    33
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    615

    Because air cooled motors are different animals....

    Because air cooled motors are different animals. And more importantly, the H-D combustion chambers are primitive compared to what they are doing with the car motors. And most importantly, that's an 8...
  11. Replies
    33
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    615

    Good luck with it, but that ain't gonna happen. ...

    Good luck with it, but that ain't gonna happen.

    Jim
  12. Replies
    4
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    93

    A little help from a friend: The front...

    A little help from a friend:

    The front cylinder has 120-48 cast into the base. The "50 front cylinder may have this as well. The rear cylinder has no marks at all.

    Jim
  13. Replies
    4
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    93

    No numbers or identifying marks at all on the '48...

    No numbers or identifying marks at all on the '48 and '49 cylinders as far as I can remember, and I just finished up a '48 and a '49 a few months ago.

    Jim
  14. Replies
    33
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    615

    1)The expectation of 90 ft.lb. is not realistic. ...

    1)The expectation of 90 ft.lb. is not realistic.
    2) As you increase stroke, vibration goes up. That is simple physics, and you cannot balance your way around it.
    3) As compression goes up,...
  15. Replies
    10
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    208

    You have a factory H-D steel hub and a factory...

    You have a factory H-D steel hub and a factory H-D steel, drop center 16" rim, so spoke sets for those are plentiful. You could reuse the existing spokes in a pinch, although that is not usually...
  16. Replies
    9
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    104

    Yes, I think that's it. Works perfectly. Jim

    Yes, I think that's it. Works perfectly.

    Jim
  17. Replies
    33
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    615

    Hey, the OP says he's a machinist. Jim

    Hey, the OP says he's a machinist.

    Jim
  18. Replies
    9
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    104

    I have one that is a step above that one, that...

    I have one that is a step above that one, that also integrates the brake light function in the rear turn lamps. I think your existing black box does the same, judging by the wires shown in your pic....
  19. Replies
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    615

    Ah, the 9028 bearing. MUCH easier to do than the...

    Ah, the 9028 bearing. MUCH easier to do than the 9029 that the OP proposed.

    Jim
  20. Replies
    9
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    104

    The Signal Dynamics module I have is the size of...

    The Signal Dynamics module I have is the size of a Zippo lighter and replaces the black box in your pic, the flasher, and the load equalizer. Two wires must be extended to the front turn lamps to get...
  21. Replies
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    104

    You will probably have to do some rewiring...

    You will probably have to do some rewiring whatever components you end up using. The modern modules eliminate the need for the load equalizer for LEDs, so it should be simpler overall.

    Jim
  22. Replies
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    758

    Poll: In the old days, post WWII, a top brand, right up...

    In the old days, post WWII, a top brand, right up there with SnapOn. I don't know how they rate now. I've got some Cornwell from my dad's tool set.

    Jim
  23. Replies
    9
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    104

    Looks like a turn lamp/brake lamp adapter box....

    Looks like a turn lamp/brake lamp adapter box. Doesn't really matter what kind it is. There are several offered. I like the Signal Dynamics box on my WG. It auto-cancels on a timer, and combines the...
  24. Replies
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    236

    Optional on most years, standard on the '71 & '72...

    Optional on most years, standard on the '71 & '72 FX and the Low Riders (FXS) through '84 I think.

    Jim
  25. Replies
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    738

    Just use the punch that you are drifting the pin...

    Just use the punch that you are drifting the pin in with. Move over half the hole and upset the top of the bushing with a light blow.

    You can Loctite the bushing in place as well. No real need to...
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