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Forum: Hot Heads Tech Talk

Forums->Hot Heads Tech Talk->Re: Gear Ratio

Re: Gear Ratio

I have a 1950 Plymouth Suburban 2 door station wagon with a 1957 Desoto 341 hemi. I have a 1969 B body 8 3/4 rear end with a 3.23 gear set. I run a GM 700R4 trans. In 3rd gear (which is 1/1 ratio) with a 28" diameter rear tire I see 2700 RPM at 70 MPH. In 4th gear (which is over driven .7/1) I see 1900 RPM at 70 MPH. This works great for me. Hope the information helps.

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on: Tue 01 of Oct, 2019 [15:30 UTC] reads: 346

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