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Old 12-06-2011, 08:42 PM   #31
rocking chevy
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Join Date: Apr 2011
Location: Nebraska
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Re: "Brown Truck" 1984 K30 Crew Cab

Quote:
Originally Posted by Dieselwrencher View Post
It's to align the gear housing to the cylinder block during assembly to ensure everything is square to keep timing right.
I though it was something like that, thanks. You'd think that they would have designed it so the dowel pin couldn't fall out.
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