Gear Ratios

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For a 1950 car differential, will gear ratios other than 4.11 and 3.55 fit? Can a 3.36 be installed?

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Posted by ChevyCraig (Questions: 2, Answers: 3)
Asked on February 6, 2023 2:41 pm
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More information like what kind of engine you have, tire size and type of car would be necessary.

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Posted by shipf (Questions: 1, Answers: 3)
Answered on February 14, 2023 1:30 pm
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You get most of the engine speed reduction using the 3.55 compared to the 4.11.
The gain between a 3.55 and a 3.36 is only about another 5%.
Based on the 1950 Chevy Specs the engine speed at 60 mph with a 4.11 is 3120 rpm.
That drops to 2700 rpm with a 3.55 rear axle. If you could fit a 3.36 into the 1950 housing the engine speed would be 2550 rpm.
Plus you will definitely notice the decrease in acceleration and performance going up hills with the smaller ratios.

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Posted by tony (Questions: 2, Answers: 1)
Answered on February 7, 2023 1:40 pm