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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#84066 10/11/2007 3:14 AM | Joined: Oct 2007 Posts: 4 Junior Member | | Junior Member Joined: Oct 2007 Posts: 4 | I have a motor with the casting number of 3788378, in my research every web site I visit shows this casting number to be a 292. The issue is that this motor looks like a 250 with the shorter deck height and right motor mount. Did GM build a short deck 292? There is no mistake on the casting number. Anyone have an idea? Thank you! | | |
#84067 10/12/2007 4:34 AM | Joined: Mar 2005 Posts: 75 Member | | Member Joined: Mar 2005 Posts: 75 | did this casting number come off of the block or the head? how big are the side plates? | | |
#84068 10/14/2007 3:25 AM | Joined: Mar 2005 Posts: 637 Shop Shark | | Shop Shark Joined: Mar 2005 Posts: 637 | Tall side cover plates is a 292, short side cover plates is a 194 - 230 - 250. | | |
#84069 10/14/2007 3:59 AM | Joined: Jan 2007 Posts: 202 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2007 Posts: 202 | The side covers or pushrod covers are 6 inches tall on the 292. If not they are the smaller block as mentioned. | | |
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