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Replacing a C4 with a C6

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Old Aug 7, 2004 | 09:41 AM
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Replacing a C4 with a C6

I have a 1988 302 in a 1965 ford f-100 with an auto trans C4
The auto trans C4 keeps grapping out every couple of years.

Can I / should I replace with a C6 and will it just bolt in?

Thanks
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Old Aug 7, 2004 | 10:03 AM
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The C4 is widely used behind 700HP big blocks. They are modified of course but the potential is there. The C6 is even stronger but it robs a lot more power and will give you worse mileage. What is failing on the C4? Is it getting burnt clutches?

You can get a C6 for a small block and it will work but you might want to think about the C4. Just make sure you run a big tranny cooler.
 
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Old Aug 7, 2004 | 01:02 PM
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Lots of noise and what sounds like gears grinding when you first take off. It also slips bad. It also makes these noises when it shifts.
Do you think I should stay with the C4 amd add another cooler?
 
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