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Click on image for the lowdown. 
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| | | Forums66 Topics128,080 Posts1,055,951 Members48,430 | | 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Nov 2007 Posts: 28 Apprentice | | Apprentice Joined: Nov 2007 Posts: 28 | The heads I have are 1978 truck heads with the 194s. I can get a set of 1976 heavy duty truck heads with small valves (3927185). I was thinking these might work. Just still wondering about CCs and compression. Buddy of mine was saying it might drop compression to 7 or 7.5.
If it ain't broke, don't fix it, unless you're me!
1965 SHORT STEP.
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