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Home » Public Forums » GMCnet » Any way to know what my final drive ratio is?
Re: Any way to know what my final drive ratio is? [message #371354 is a reply to message #371353] Sun, 21 May 2023 16:35 Go to previous messageGo to previous message
boybach is currently offline  boybach   
Messages: 566
Registered: December 2020
Location: Vancouver Island
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Senior Member
Carl S. wrote on Sun, 21 May 2023 13:20
If you have a tach, this chart from Applied might help:

https://www.gmcrvparts.com/product-p/gm1-1.001.1.htm
I'll have to get a tach hooked up, thanks!


Larry - Victoria BC - 1977 ex-Palm Beach "Ol' Leaky" 40,000 miles, PO said everything working but forgot the word NOT. Atwood helium fridge, water heater & furnace. SS exhaust system, Onan, Iota Converter, R134A, New fuel lines & heat exchange hoses
 
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