View single post by Greg Fletcher
 Posted: 08-29-2013 05:04 pm
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Greg Fletcher



Joined: 03-11-2005
Location: Lake Nacimiento, California USA
Posts: 421
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The rear seal housing and the back of the block is quite a bit different on the improved lip seal engines, converting from a a rope seal to a lip seal on the 907 would entail a substantial amount of machine work. You might be better off finding a later block to drop in. Later Mark I engines do not have rope seals, BTW. That was limited to the early engines mostly found in the 10,000-11,000 numbered cars.