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How hard to determine final drive ratio (Revcon) [message #343223]

Thu, 09 May 2019 11:00

hertfordnc

Messages: 1164
Registered: September 2009
Location: East NC

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Senior Member

The information regarding the final drive ratio on the Revcon is sketchy.

In one place i read that it is stock Toronado. But when i look into what that number might be i get different answers.

Also, mine is a 72 which makes it unclear what generation Tornado they used. It may have been sourced much earlier.

My calculation watching the tach and measuring the tires makes it close to 4.10 but that seems doubtful.

More likely is my tach and/or speedometer are not accurate.

Do i have the math right?

engine RPM at 60 equals 5280/tire circumference X final drive ratio ??

So, how much trouble is it to unbolt something and count the teeth?

Thanks

Dave & Ellen Silva Hertford, NC 76 Birchaven, 1-ton and other stuff Currently planning the Great american Road Trip Summer 2021 It's gonna take a lot of Adderall to get this thing right.

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[Message index]

		How hard to determine final drive ratio (Revcon) By: hertfordnc on Thu, 09 May 2019 11:00
		Re: [GMCnet] How hard to determine final drive ratio (Revcon) By: Richard Denney on Thu, 09 May 2019 12:46
		Re: How hard to determine final drive ratio (Revcon) By: Matt Colie on Thu, 09 May 2019 12:50
		Re: How hard to determine final drive ratio (Revcon) By: Hal StClair on Thu, 09 May 2019 13:06
		Re: How hard to determine final drive ratio (Revcon) By: ebyker on Thu, 09 May 2019 13:16
		Re: How hard to determine final drive ratio (Revcon) By: hertfordnc on Thu, 09 May 2019 13:22
		Re: How hard to determine final drive ratio (Revcon) By: ebyker on Thu, 09 May 2019 13:40
		Re: [GMCnet] How hard to determine final drive ratio (Revcon) By: jimk on Thu, 09 May 2019 23:59
		Re: [GMCnet] How hard to determine final drive ratio (Revcon) By: tmsnyder on Tue, 18 June 2019 22:42
		Re: [GMCnet] How hard to determine final drive ratio (Revcon) By: jimk on Wed, 19 June 2019 00:01
		Re: How hard to determine final drive ratio (Revcon) By: bwevers on Thu, 20 June 2019 11:16
		Re: [GMCnet] How hard to determine final drive ratio (Revcon) By: Dolph Santorine on Thu, 20 June 2019 11:46
		Re: How hard to determine final drive ratio (Revcon) By: bwevers on Thu, 20 June 2019 12:06

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