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markeb01 · 12-10-2011, 01:01 AM

Although they don’t exactly grow on trees, another direct swap would be a Dana 44 from a 60-62 GMC. The ratios range from 3.08 to at least 4.11. There are two carriers. One covers from 3.08 to around 3.70. The other is required for the lower gears (higher numerically).

I agree with the comments above however. Going all the way to 3.08 with a six may be too tall a gear and cause the truck to run at an rpm that is below the torque curve of the engine.

And welcome to the forum!

12-10-2011, 01:01 AM	#8
markeb01 Senior Enthusiast Join Date: Feb 2007 Location: Spokane Valley, WA Posts: 8,356	Re: 1962 Differential Although they don’t exactly grow on trees, another direct swap would be a Dana 44 from a 60-62 GMC. The ratios range from 3.08 to at least 4.11. There are two carriers. One covers from 3.08 to around 3.70. The other is required for the lower gears (higher numerically). I agree with the comments above however. Going all the way to 3.08 with a six may be too tall a gear and cause the truck to run at an rpm that is below the torque curve of the engine. And welcome to the forum! Last edited by markeb01; 12-10-2011 at 01:06 AM.