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Old Oct 30, 2005 | 07:19 PM
  #1  
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After hitting the deer on thursday, I was setting up the old shovel for a thunderheader, road tested it for proper jetting and snapped the pinion shaft, CRAP Back out with the engine
 
Old Oct 30, 2005 | 07:48 PM
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From: Texas! Ya mean there's someplace else?
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Ouch! Doncha just love stuff like that? Whaddya think caused it?
 
Old Oct 31, 2005 | 04:50 AM
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What Ron, is a thunderheader? [sm=smiley24.gif] "Scoose my ignorance"
T
 
Old Oct 31, 2005 | 11:21 PM
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Well..... Skip, it looks like it had a crack before it broke. I've had some problems with this rebuild.I replaced the valve seats myself (I do it on the diesels all the time) and I dropped a valve seat on the front exaust, it broke the lash adjuster and blew out the pushrod. The valve must have hit the piston although after removing the heads I could find no damage to the piston or rod but I think it may have shock loaded the end of the pinion shaft transmitted down through the cam. I used a Jims pinion shaft when I did the wheels, Ive never heard of anyone having a problem with their quality. Frank, a thunderheader is a two into one exaust system that is suposed to work well with shovelheads
 
Old Oct 31, 2005 | 11:48 PM
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From: Texas! Ya mean there's someplace else?
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Strange how sometimes things happen a mile away from the original incident. Hopefully, you won't find anything else. I dropped a seat in a Chev 307 years ago. Got a rebuilt motor (warranty) as it completely trashed a piston & cylinder.
 
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