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06-27-2007, 11:40 PM | #1 |
Registered User
Join Date: May 2007
Location: Spring Valley, CA
Posts: 49
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Engine identification help
I just purchased a 1967 C10 long bed in relatively good condition for a 40 year old automobile. I cannot figure out which size L6 engine it is. I am new to this and could use some help. The casting on the block looks like "3877176". I think it is a 292. Can anyone confirm this for me?
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06-28-2007, 12:19 AM | #2 |
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Join Date: Mar 2003
Location: Colfax-California
Posts: 8,650
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Re: Engine identification help
can you post a pic of the pass side of the block
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06-28-2007, 03:31 AM | #3 |
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Join Date: Apr 2005
Location: Chula Vista, California
Posts: 495
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Re: Engine identification help
If one motor mount is further back than the other it is a 292. If the motor mounts are even across from each other it is a 250. If the lifter side covers are about 6" tall it is a 292. 250 side covers are about 4" tall.
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rwgregory 67 GMC 2500 ,2w/d wide box 305 V-6, 4-speed |
06-28-2007, 05:33 AM | #4 |
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Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,517
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Re: Engine identification help
Check for the dress numbers stamped into the block on a machined pad just aft of the distributor.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
06-28-2007, 10:13 PM | #5 |
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Join Date: May 2007
Location: Spring Valley, CA
Posts: 49
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Re: Engine identification help
In that case, I have a 250. Thanks for all the help.
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