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Mod | | | Forums66 Topics128,034 Posts1,055,547 Members48,425 | | 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!
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| | | | Joined: Dec 2010 Posts: 64 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 64 | Changing the ratio in a '40 1 1/2 ton rear end. Finally got through the pinion switch. Not quick and easy. Now the bolts are out of the ring gear and it appears that it won't come off without some heat like a flywheel ring gear. Could really use some advise from someone who has done this before. Thanks, David | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy dmart, according to the maintenance manual, once all of the bolts are removed the ring gear should be able to be removed from the right side of the differential case by "tapping with a soft faced hammer", hope that helps. | | | | | Joined: Dec 2010 Posts: 64 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 64 | Thanks 3B,
I did do some tapping on it. Maybe it is time to get a tad bit more aggresive. Will give it a try again. | | | | | Joined: Dec 2010 Posts: 64 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 64 | 3B,
Thanks again. That did the trick. Tapping gently is really...drive firmly. | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Where did you get your replacement gears? | | | | | Joined: Dec 2010 Posts: 64 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2010 Posts: 64 | Truckernix,
I bought the gears from Vintage Auto Parts Inc. , vapinc.com , 800-426-5911
Never bought from them before but it all went fine. NOS clean and I paid $ 375.00 for the set.
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