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Click on image for the lowdown. 
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| | Forums66 Topics128,052 Posts1,055,716 Members48,426 | | 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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| 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!
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#58297 03/25/2006 3:29 PM | Joined: Jan 2001 Posts: 662 Shop Shark | | Shop Shark Joined: Jan 2001 Posts: 662 | I like my lock up and I've got no tach but it sure sounds and feels like more than a 300 RPM difference. I flip the switch and it acts just like dropping into another gear. I also think your're right about heat - locked up, no slippage, less shear heating of the oil. http://www.chuckthetruck.com/Page26.html | | |
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