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Discussion Starter · #1 ·
I'm doing an I-6 to V-8 swap in my '66. The V-8 will be really mild compared to what most of the other posters are doing (around 225 HP or so). I've read that I can actually keep the c-4 automatic that's in the car right now, aslong as I change the torque converter and bellhousing. Does anyone know if that's true? Is the trans actually going to stand up OK? I'll no doubt get it checked by a transmission guy (due to its 40+ years age) but I'm wondering if I should just replace it instead.
The rear end is a 3.55 - I don't do a lot of highway driving. Thanks
 
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You can have the c4 built to v8 specs very easily. If its used and you are unsure of the condition have it gone through anyways. I would also suggest a new torque converter. The bellhousing will obviously need swapped to the correct v8 part. HTH
 
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