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Old June 4th, 2016, 03:26 PM
Chuck78 Chuck78 is offline
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Join Date: Jul 2014
Location: Columbus OH
Truck: 1962 GMC 1000 panel truck
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Default Re: 5 speed/o.d. swap comparisons - WC/S10 T5 hybrid, NV4500, A833 MY6, Tremec 3550 Mustang

Oh wow... Richmond ROD 6 speed would be the ultimate, & they have it just 10 minutes down the street from me at Jeg's High Performance, FOR A MEASLY $4,450.00!!!!!!!

With the 3.37 1st gear, standard GM bell pattern and 1.125" 10 spline input, multiple internal rail shifter locations, and half the price of the Richmond 6 speed, the Tremec TKO500 seems like the best new aftermarket option. They are more sensitive to bellhousing alignment howeve, and you really need to use a runout gauge on the crank to make certain your bell is aligned within their spec. Offset dowels are available to do so.all transmissions suffer from excess wear if the bell input bearing retainer register is not perfectly centeted, but on the TKO's it makes the shifting obviously less smooth.

For the money I can justify spending, the Jeep&Dakota AX15 &it's sibling the Colorado/Hummer AR5 seem to be the best option. I am still considering an NV4500 for it's more guaranteed brute strength, & will snatch up any a833 my6 / np440 that I see in junkyards regardless of what I want to run in my GMC...

Last edited by Chuck78; June 4th, 2016 at 04:01 PM.
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