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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: Mar 2002 Posts: 553 Shop Shark | | Shop Shark Joined: Mar 2002 Posts: 553 | I bought this rolling chassis about a month ago. It's a '41 GMC with a 248, 6 cylinder. After about an 18 year sleep I actually got the motor running. Need to do a better tune-up but it runs pretty good for being out in the elements for that long. And the motor was froze when I got it! Watch me fire it up right here.. And here's an encore performance here. This is too cool!
Last edited by steppenwood; 04/25/2011 4:55 AM.
| | | | | Joined: Jan 2008 Posts: 62 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2008 Posts: 62 | How did you get it unstuck? I've been hearing good things about a 50/50 mix of ATF and Acetone.
Any tips and tricks to share? | | | | | Joined: Feb 2007 Posts: 190 Shop Shark | | Shop Shark Joined: Feb 2007 Posts: 190 | | | | | | Joined: Mar 2002 Posts: 553 Shop Shark | | Shop Shark Joined: Mar 2002 Posts: 553 | Dally,
The motor was froze solid when I got it. I soaked each of the cylinders with 2 or 3 tablespoons of ATF. After about 4 or 5 days, I got the motor to budge just a fraction of an inch. I just kept working it back and forth, back and forth, back and forth until I got it to spin freely with out the spark plugs. With my thumb over one of the spark plug holes I could feel the compression and I knew it was gonna run.............and it does. | | | | | Joined: Apr 2010 Posts: 53 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 53 | Did you mix the ATF with anything? or just drop it in by itself?
(Young Gun Question again: ATF=Automatic Transmission Fluid, Correct?)
'54 chevy 3100. In pieces now. .... I've always liked puzzles
-Gig em Aggies! Class of 2013
| | | | | Joined: Mar 2002 Posts: 553 Shop Shark | | Shop Shark Joined: Mar 2002 Posts: 553 | | | | | | Joined: Jun 2009 Posts: 2,201 Shop Shark | | Shop Shark Joined: Jun 2009 Posts: 2,201 | CONGRATS! Ain't that fun? | | | | | Joined: Jul 2005 Posts: 946 'Bolter | | 'Bolter Joined: Jul 2005 Posts: 946 | That is so cool you got it running after all that time. Those engines were built right. | | | | | Joined: Jan 2008 Posts: 62 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2008 Posts: 62 | Dally,
The motor was froze solid when I got it. I soaked each of the cylinders with 2 or 3 tablespoons of ATF. After about 4 or 5 days, I got the motor to budge just a fraction of an inch. I just kept working it back and forth, back and forth, back and forth until I got it to spin freely with out the spark plugs. With my thumb over one of the spark plug holes I could feel the compression and I knew it was gonna run.............and it does. Thanks John! | | | | | Joined: Nov 2009 Posts: 639 'Bolter | | 'Bolter Joined: Nov 2009 Posts: 639 | It would take every thing I had not to strap a lawn chair to that thing and take it for a spin.  | | | | | Joined: Mar 2005 Posts: 89 Shop Shark | | Shop Shark Joined: Mar 2005 Posts: 89 | | | | | | Joined: Dec 2003 Posts: 1,144 'Bolter | | 'Bolter Joined: Dec 2003 Posts: 1,144 | Automatic transmission fluid | | | | | Joined: Dec 2010 Posts: 34 New Guy | | New Guy Joined: Dec 2010 Posts: 34 | Sure runs smooth after all those years. I was expecting to see lot of white smoke until all the ATF burned off. Thanks for posting. Good inspiration for the rest of us.
46 Chevy 1 1/2 ton
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