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Old 03-18-2003, 08:40 PM
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Post What are some rear end options for a 85 monte carlo ss

I have a 85 Monte Carlo SS (all stock). Can anyone tell me if there are some other rear ends, from other cars that will bolt right up to my car with out having to make any changes? I am looking for something with better gear ratio than the stock 3.73 with TH200R4 Tranny something with like a 4.11 ratio in it. I am not having any luck seeking this answer, so I am trying here. Thank you all in advance.

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Old 03-19-2003, 04:53 AM
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Your SS has a 7.5 inch ring gear, 26 spline axels.

Bolt on, no mods, you can look for a Buick Gran National rear end (similar, a T Type rear end also). It would be a 8.5 inch ring gear, 28 spline axels and much stronger. As for gear ratio, I do not know of a factory bolt on rear that had any higher gear ratio than 3.73 for G bodies. I did this (installed a T Type rear end) on my 79 Malibu, overall cost was approx. $600 out of pocket.

Next step would be to buy a prefabbed rear end from Currie Enterprises or someone similar. I do know Currie makes a bolt on 12 bolt rear end with gears of your choice. Very nice and very expensive.

<a href="http://www.currieenterprises.com/html/custom/rearendPackages/rearendPackGM.htm" target="_blank">http://www.currieenterprises.com/html/custom/rearendPackages/rearendPackGM.htm</a>

If you can weld good you can actually build one yourself. Less expensive than Currie's, but still expensive.

There's always the option to change your gear set with the desired ratio of your choice.

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Al
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<a href="http://www.hawaiianflavor.com/Malibu/malibu.html" target="_blank">It's not perfect, but it's mine.</a>

[ March 19, 2003: Message edited by: OddsNEnds ]</p>
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Old 03-19-2003, 08:00 AM
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Why would you want to go any higher?! That gear ratio is perfect for racing and street use. If you go any higher you car will be crap on the highway and prolly worse in the quarter mile than 3.73's.
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Old 03-19-2003, 09:33 AM
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Like 1BDMNTY said 3.73s are perfect for street and racing. If its a daily driver i wouldnt go any higher.

I have 4.10 gears in a buick regal and il only take it about 20 miles if i have to drive on the highway. One of my buddies had 4.56s in his skylark and was goin down the highway and tore out second and third gear in his tranny. If i was you id stick with the 3.73s
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Old 03-19-2003, 10:02 AM
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Thank you all very much for the information. This car is not going to be driven on the street. It is strictly going to be on the strip. Low budget car as hobby on the weekends. Thank you all
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