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Labor Day Putting down your wrenches or time for
MORE wrenching? 
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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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#70718 12/28/2006 5:09 AM | Joined: Nov 2002 Posts: 1,002 Shop Shark | | Shop Shark Joined: Nov 2002 Posts: 1,002 | I've seen this topic come up several times. I did a search here and on Inliners.org and the only thread I came up with is here;
http://www.inliners.org/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=1;t=002239
and it's for a 250 and,,, From the octane requirement sounds like they have changed the compression. Have you checked any of the casting numbers?
Larry
I don't own a vehicle that isn't old enough to drink.
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