3.36 gears and 3.55 gears in a 1958 Corvettes; Automatic. Thanks!
What is the correct speedo tooth gear for...
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Re: What is the correct speedo tooth gear for...
"yello58"------
With 3.55 rear gear and powerglide, the correct gear is a 21 tooth gear of GM #3708142. For 3.36 ratio and powerglide the correct gear is a 20 tooth gear of GM #3708246. Unfortunately, both are long-since GM-discontinued. A speedometer shop might be able to fix you up with a replacement, though.In Appreciation of John Hinckley- Top
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