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Primary cover, 41-49, original vs reproduction

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1950Panhead
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Primary cover, 41-49, original vs reproduction

#1

Post by 1950Panhead » Wed Sep 01, 2010 6:27 pm

What differences are there between an original 41-49 primary cover and a reproduction?
How can you identify an original cover?



Robert Luland
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Re: Primary cover, 41-49, original vs reproduction

#2

Post by Robert Luland » Thu Sep 02, 2010 12:36 am

Theres a factory casting number on the inside.

RUBONE
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Re: Primary cover, 41-49, original vs reproduction

#3

Post by RUBONE » Thu Sep 02, 2010 2:36 am

Theres a factory casting number on the inside.
On a tin primary? I'd love to see one! :roll:
And sorry, I don't have a repro to compare!
Robbie

1950Panhead
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Re: Primary cover, 41-49, original vs reproduction

#4

Post by 1950Panhead » Thu Sep 02, 2010 3:17 pm

Yes, 41-49 is a tin primary.
I need someone who has both or has seen both to report the differences.

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Re: Primary cover, 41-49, original vs reproduction

#5

Post by RUBONE » Thu Sep 02, 2010 7:07 pm

Yes, 41-49 is a tin primary.
I guess you completely missed the point! Bob said the number was cast in. I was merely trying to see how he thought that was possible on a stamped tin primary.
As far as differences go every time I pick up a repro primary it seems obvious that it is such. The mounting brackets on inners are always too thick and riveted with the wrong size and shape rivets. The sprocket area on outer covers never seem to have the correct radius and crisp lines of the originals. The spot welds look different, the diamond usually looks a little blobby and again not as crisp as the originals.
As I said I do not have an aftermarket one here to compare, but I do have several originals if any dimensions need checking.
Robbie

Robert Luland
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Re: Primary cover, 41-49, original vs reproduction

#6

Post by Robert Luland » Thu Sep 02, 2010 10:37 pm

I screwed up, I was thinking timing cover. I have 4 or 5 originals here but no aftermarket to take pics for you. If you want some shots of the ones I have, chime in. I got to go pallet climbing. Bob L

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