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Click on image for the lowdown. 
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| | | Forums66 Topics128,154 Posts1,056,834 Members48,456 | | 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: Feb 2010 Posts: 477 'Bolter | | 'Bolter Joined: Feb 2010 Posts: 477 | Temps. and RPMs don't seem to matter on mine, 40 on the block fitting and 20 on the head fitting that's at the top of the head. But it takes a little longer for the head pressure to build up. | | |
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