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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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| | | Forums66 Topics128,010 Posts1,055,303 Members48,419 | | 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!
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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: Oct 2012 Posts: 130 'Bolter | | 'Bolter Joined: Oct 2012 Posts: 130 | What is the best choice or preferred lubricant for a 235 exhaust heat riser valve? | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Nothing, check it (rotate it) at every tune-up and oil change - or, maybe a little copper or stainless-steel anti-seize grease? | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | I have put a little Graphite lock ease on them.
Last edited by Pre '68 Dave; 08/11/2017 8:47 PM.
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