Speedo - Gear

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Old 09-13-2011, 09:13 PM
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Speedo - Gear

All -
I have an 1971 Demon with a 318/904. I just put a 8 3/4 with 3:91's so the speedo is a bit off. I would like to put the proper or as close to proper gear in to bring it back into spec's. Can someone point me in the right direction.

Thanks - Charles
Old 09-14-2011, 12:42 AM
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What size tires are on it ??
Old 09-14-2011, 03:28 AM
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If you do a little searching, I posted up the chart and calculations to find the answer.

Look here.
Old 09-14-2011, 12:56 PM
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Perfect -
Thanks - Now where do I purchase one from??
Old 03-19-2012, 12:17 PM
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hey cazbah did you have your drive shaft made? or cut down for that rear? i have a 65 cuda with a 318 in it now i havent installed my 8.75 rear yet was wondering what the measurment of your drive shaft is? when ever you can eyelet to eyelet thanks
Old 03-19-2012, 03:52 PM
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Originally Posted by Cazbah362
Perfect -
Thanks - Now where do I purchase one from??
Once you find the size you need go here. I bought from them before.

http://www.transmissioncenter.org/sp...e_and_jeep.htm
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