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Trouble_enabler
Posted on Sunday, October 20, 2013 - 12:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Anyway to identify Thunderstorm heads that are on a bike and the numbers are not visible? And I know they were all black, but they sell paint you know. I noticed the 3 fins on the top right side of front head, the middle fin is a little shorter where it ends parallel the front isolator mounting hole. On my 95 S2 they are all even. Are 96-98 Lightning, or any other heads that way?

Thanks!

Mike
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Trouble_enabler
Posted on Sunday, October 20, 2013 - 01:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm talking about this area:



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Trouble_enabler
Posted on Sunday, October 20, 2013 - 03:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Upon further inspection, my S2 heads are the same in that area...the fins are just highlighted to an even line..brain fart :-( Any other casting differences that would differentiate T-Storms heads from others?
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Kilroy
Posted on Monday, October 21, 2013 - 06:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would seriously doubt any casting differences, differences would be made up internally in the machining process
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Essmjay
Posted on Monday, October 21, 2013 - 02:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It seems like you should be able to look into the exhaust ports at the exhaust valves and see the difference.
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Mickrick
Posted on Monday, October 21, 2013 - 02:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My X1 heads have the same fin pattern in that area.
You need to get a billet front mount though, before that nasty factory one lets you down.
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Easy_rider
Posted on Tuesday, October 22, 2013 - 12:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There are differences in the top end. I think I uploaded pics in the S2 area about a year or so ago. I'll take a look. It *seems* like Thunderstorm has three fins across the top and standard heads are open. Or is it vice versa....
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Easy_rider
Posted on Tuesday, October 22, 2013 - 12:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thunderstorm is open. Standard head has fins. I can't tell you what a Lightning head looks like but it would be interesting to know.

http://www.badweatherbikers.com/buell/messages/476 23/599726.html#POST1933319

FWIW, not only can fins be painted to look like T-Storm, black fins can be sanded so they look like the original heads from the side.
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