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Thread: 49 Panhead frame casting number

  1. 49 Panhead frame casting number

    Hi,
    Can anyone tell me what the number 20 in the right side forging frame of 1949 panhead it means??.It,s VIN 49EL 201X
    Thanks

  2. #2

    Re: 49 Panhead frame casting number

    Die 2 to 19 were used in previous years.

  3. Re: 49 Panhead frame casting number

    So is the number 20 correct for this 49 VIN? Were all 1949 frames market with 20?
    Thanks

  4. #4

    Re: 49 Panhead frame casting number

    Palmer saw 18,19 in 49, die 19,20,21 in 50, from sample inspection, list may be incomplete.
    Last edited by 1950panhead; 02-14-2017 at 09:24 AM.

  5. #5

    Re: 49 Panhead frame casting number

    There are other indicators for '49,like the rear axle castings

  6. #6

    Re: 49 Panhead frame casting number

    As far as you know the frame was original to the engine ? If you have a copy of Bruce's book ( new) it has a chart with all the forge die numbers . The horn blocks changed , from early to late , the rear axle die numbers also should help pin point.

    Adam

  7. Re: 49 Panhead frame casting number

    Thanks for the answer. Right rear axle casting XE-6. Left rear axle XE-7#13.

  8. Re: 49 Panhead frame casting number

    Yes Adam, the frame was original to the engine. It has square horn blocks.

  9. #9

    Re: 49 Panhead frame casting number

    On '49 the area next to the axle is about flush with the surounding casting,'50 & later it steps out---thicker

  10. #10
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    Re: 49 Panhead frame casting number

    pres49, Bruce Palmer’s 37–64 SE (published 2014) says die number 20 was on 1950 model frames as were die numbers 19 and 21.
    For 1949 model frames Palmer recorded die numbers 18 and 19. However, not long ago on this forum we saw a 49 frame with die number 16 although Palmer’s chart has 16 as one of three die numbers so far for 1948 models. Die 16 was not listed for 1949 at that stage but maybe it will be in future?

    All Panhead rigids had XE-6 (R-H axle clip) and XE-7 (left clip).
    Die 13 for the left clip is in Palmer’s chart but he only had it for 1950 at that stage. Could it also apply for 49? Possibly? He has die 12 for 1949.
    Is there no die number for your R-H clip? Or maybe it’s unclear? So far Palmer only has die 8 for the 49 R-H clip but in the chart there is a comma after 8 (8,) so perhaps another die number was meant to be included? Or the comma could be an error?

    What forging ID is on your front and rear motor mounts? Anything near the sidecar loops and seat post?

    Any repair number on your frame? We’ve seen repair numbers stamped near the top of the seat post—for example, 12345.

    You have square horn blocks but are the downtubes unflattened? Palmer says they are unflattened for early-49 but flattened for later-49.

    Do you now own three 49s? You had two springer 49s a while ago and one had P stamped on the engine but did you find P stamped on the frame? Thanks.
    Eric

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