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Author Topic: Allison MT644 for an 871  (Read 2027 times)
lvmci
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« Reply #15 on: February 06, 2014, 08:20:22 PM »

I have a MT643 with an 8V71, whats the difference between a 643 and 644, lvmci...
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Mci 102C3 8V92, Allison 4 speed 740
Formally MCI5A 8V71 Allison MT643
TomC
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« Reply #16 on: February 06, 2014, 09:12:41 PM »

Ones newer then the other, and the MT644 has a more robust torque converter. Good Luck, TomC
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Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
Fredward
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MC-5A #5401 8" roof raise 8V71 with MT647




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« Reply #17 on: February 07, 2014, 04:06:49 AM »

Lvmci,
What is your top speed with that configuration ?
Do you know is your 871 set at 2150 rpm?
Fred
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Fred Thomson
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