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Old 11-16-2017, 05:10 PM   #5
Ironangel
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Join Date: Feb 2010
Location: Falls City, Nebraska "100 Miles From Nowhere"
Posts: 2,219
Re: Engine for our 1969 GMC

Apparently we're talking 307 cubic inch motor here...? I've no experience with the 307 so I retract my upper comment. I seen the 010 block and assumed a 350. Now with that said, that may be a very good motor regardless of the cubes. If that thing came out of a motorhome it may be a 4-bolt main block. heres a couple of links http://www.73-87.com/chevy_ids/sbheads.htm
http://nastyz28.com/threads/991-head...-or-no.213869/
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71 1-ton Dually 350 4-Speed
71 C/50 Grain Truck, 350 Split-Axle 4-Speed
02 3/4 ton Express
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1952 Ford 8N, "Only Ford Allowed On The Property"
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