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| | | Forums66 Topics128,195 Posts1,057,372 Members48,469 | | 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: Apr 2010 Posts: 48 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 48 | Hi Any on ever change to a bigger better motor the factory one just does not get it done any ideas for an upgrade? Tony | | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | Maybe its just old and tired. Most of the parts stores should have a new one for about $25 bucks. I bought one last year for a 66 (?) and it was $26 and worked fine. | | | | | Joined: Apr 2003 Posts: 942 'Bolter | | 'Bolter Joined: Apr 2003 Posts: 942 | A new one might improve it, but the '67 to '72 Heaters sure seem like they are just not as good as the old '60 to '66 systems.
Bill
'60-'72 Chev/GMC Fan
GMC 9500 Fan
Detroit Diesel Fan
| | | | | Joined: Apr 2010 Posts: 48 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 48 | | | | | | Joined: Oct 2007 Posts: 12 New Guy | | New Guy Joined: Oct 2007 Posts: 12 | Check the gaskets between the box and firewall, they tend to disintegrate and really diminish what the heater can do.
40 chevy 1.5 ton, 50 chevy 3/4 ton, 67 chevy stepside 1/2 ton, 67 C50, 68 C50, 73 chevy 4x4 3/4 ton, 2004 Silverado 1/2 ton , 2005 HD 3/4 4x4 Duramax (don't even get me started about my Oldsmobiles!)
| | | | | Joined: Apr 2010 Posts: 48 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 48 | | | |
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