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Mod | | | Forums66 Topics128,108 Posts1,056,238 Members48,437 | | Most Online14,466
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: May 2005 Posts: 215 Shop Shark | | Shop Shark Joined: May 2005 Posts: 215 | Hello all
Just got a 66’ truck and trying to figure out what engine and if it is the original.
Block is casted with 3914678
It has a stamped serial 18Z131952
And looks hand stamped VOI31EC
So far I found its a 68’ engine, 350 or 327
Thanks for your help! | | | | | Joined: Apr 2010 Posts: 436 'Bolter | | 'Bolter Joined: Apr 2010 Posts: 436 | You can look up the suffix code ( that's the stamped code) at http://www.1968ss.com/sbcsuffix.aspThe part you are interested in is the EC There are 4 entries, 1 from 1957 (283 cid) and 3 from the 60's (65, 66, and 67) - all 3 are 327 cid. | | |
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