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Old Sep 24, 2004 | 10:15 AM
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c4 or c6?

what would you use in a 70 f100 with a built 351w motor? im thinking we could go with the c4 and have it built right. but what are ya'lls opinions?
 
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Old Sep 24, 2004 | 10:21 AM
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c6 would be better
 
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Old Sep 24, 2004 | 11:54 AM
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but why would it be better?
 
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Old Sep 24, 2004 | 01:12 PM
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Why do you limit yourself to the C4 or C6? There are plenty of companies now building some tough AOD's too, that gets you a 4-speed auto.... The C4 can be built up pretty good and will take less off your motor than a C6. The C6 is definitely the bad boy on the block though if you plan on hitting it with 400-500HP.

Just a few $.01's --Mike
 
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Old Sep 24, 2004 | 01:37 PM
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What are you going to use it for? If towing or hauling, C6. More stronger, more better
Did you guys know that Big Foot with it's super high horsepower engine still uses the C6? They do upgrade it and it is admittedly their weakest link, but that's pretty impressive if you ask me.
 
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Old Sep 24, 2004 | 05:53 PM
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Originally Posted by comet
What are you going to use it for? If towing or hauling, C6. More stronger, more better
Did you guys know that Big Foot with it's super high horsepower engine still uses the C6? They do upgrade it and it is admittedly their weakest link, but that's pretty impressive if you ask me.
COOL COMET I DIDN'T KNOW THAT
 
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Old Sep 25, 2004 | 10:16 AM
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it wont be towing or hauling anything, just a street truck that will have around 350hp at the rear wheels. im not really into the AOD's and i'd like to stick with something simple like the c4 because its smaller and doesnt take as much away from the motor as a c6 would. the motor is being built to perform in the 2,000 to 6,500 rpm ranges with 3.50 gears in the rear end.
 
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Old Sep 25, 2004 | 11:51 AM
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NV4500

high-impact.net/transmission_and_gear/nv4500.htm
 

Last edited by zakt; Sep 25, 2004 at 11:59 AM.
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A C4 should be fine in your application. Companies are building these things now days to handle some serious horsepower. I saw a C4 behind a radical 460 a while ago.
 
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