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Thread: Distributor Caps

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  1. #1
    Luke Skywalker
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    Distributor Caps

    Does anyone know who has the distributor caps with the brass terminals? I bought an aftermarket cap and I just don't like the look of it compared to the quality and the build of the one I had on there.

  2. #2
    Great Pumpkin TR3driver's Avatar
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    Re: Distributor Caps

    In general, I feel TRF supplies the best quality available. If they don't have them in brass, likely no one does.

    But I haven't bought a cap for a long time. They seem to last nearly forever with stock ignition, so I don't replace them just for PM. Only failure I've ever had was running a MSD 6A ignition box (which managed to trash every high tension component at one time or another; the coil went right after the distributor cap).
    Randall
    56 TR3 TS13571L once and future daily driver
    71 Stag LE1473L waiting engine rebuild
    71-72-73 Stag LE2013LBW waiting OD gearbox rebuild

  3. #3
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    Re: Distributor Caps

    have 3 new distributor caps, after market--bought from 3 different suppliers-none of the 3 seat properly on any of the 5/6 distributors--that I have-- (4 cylinder) DM2----I went to
    my parts box and dug out an old cap that wasn't too bad--has anyone else had problems with after market caps?

  4. #4
    Luke Skywalker
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    Re: Distributor Caps

    As Randall says TRF might have the good ones. It's the old get what you pay for thing. The cheap ones are $10.00 and TRF has them for $28.00. Anyone bought one from TRF lately and know if they have those brass terminals inside? Also I'd be a bit leery of the top mounted caps. I tried one once and it was all good until the rotor wore down the brush to a nub and stopped the car dead on a cold and rainy night.

  5. #5
    Jedi Knight
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    Re: Distributor Caps

    Yes TRF has the caps with the brass terminals. However the caps do have another problem and that is that the screw in connectors for the deep set rear two wires is set back to far in the hole for the spark plug wire. Like .10" from the rear of the hole. Getting your wire to make contact and not pull out is a crap shoot. I always use a voltmeter to make sure the wires make contact and on these caps I get a positive result about half the time.
    Charley
    1962 TR4
    1963 TR4
    1959 TR3A A work in progress.

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  7. #6
    Yoda Geo Hahn's Avatar
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    Re: Distributor Caps

    My distributor caps (and my coils) are all the old stuff bought mostly on eBay. If you are not in a hurry you can do a bit of bottom-feeding and pick good used or even NOS at a reasonable price.

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  9. #7
    Jedi Trainee Joe Schlosser's Avatar
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    Re: Distributor Caps

    Try Powerspark inthe UK. I have had good success with dizzy bits
    https://simonbbc.com/
    Joe Schlosser
    SCCA National License, Retired
    60 Bugeye, since 1966
    SCCA FP, sold but not forgotten

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