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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: Dec 2006 Posts: 34 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2006 Posts: 34 | anyoneknow the ratio? and will it fit under a '50.i want to keep the six lug when i take out the torque tube. | | | | | Joined: Mar 2004 Posts: 874 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 874 | Most likely 3.90 to 1.
The pumpkin will bolt into your '50 1/2 ton housing. | | | | | Joined: Apr 2005 Posts: 2,101 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,101 | It could also have a 4:10 if the 59 truck came with an OD trans. Other wise it would likely be a 3:90.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
| | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | There was also a 3.36 option that, from what I understand, was used mostly on Hydra Matic trucks.
But, as mentioned, it's most likely A 3.90.
Bill Burmeister
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