Volvo RWD 120-130 Forum

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Rear end ratio & overdrive 120-130 1967

posted by  Clemente on  Wed Feb 13 17:28 CST 2013
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last visit: Tue Oct 21 19:04 CST 2014
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My '67 Amazon has a Hayes rear axle with a 4.1:1 ratio. I've read that the 122S's with overdrive were equipped with a 4.56:1 ratio. The next upgrade I'm considering is installation of a J-type overdrive. Will the 4.1:1 ratio be a problem?
Thanks for all the great information on this site, and BTW, I just installed a new exhaust from Simon's Sportsystem - SWEET!!! It hooked right up from the exhaust manifold back to the tailpipe using original hanger locations and is 2" to the exhaust tip. I noticed a bit of a power bump, but that could be wishful thinking.






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New Rear end ratio & overdrive [120-130][1967]
posted by  Clemente subscriber  on Wed Feb 13 17:28 CST 2013 >


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