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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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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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| | | | Joined: Oct 2007 Posts: 91 'Bolter | | 'Bolter Joined: Oct 2007 Posts: 91 | Sorry about another engine ID question but here goes.
Block casting 3769925
serial 28608
date code E 2 6
If the date code reads May 2 56 then it doesn't seem to jive with the block casting.This could be a canadian pontiac block, I see the pin hasn't been pushed in for the full flow filter.Just trying to narrow down the year.
The head is an 848 with date code D 20 9. Thank you Mike | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy obrien1952gmc, according to Inlers Internationals web site, that casting number is from a 1958 - 62 261 Chev engine, hope that helps. | | | | | Joined: Aug 2005 Posts: 94 'Bolter | | 'Bolter Joined: Aug 2005 Posts: 94 | That date code could also be Mat 2 66 since these blocks were cast into the 70's as replacements. That might explain the non-standard "serial".
Joe D. | | |
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