66 HiPo C4 Automatic Transmission question.

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66 HiPo C4 Automatic Transmission question.

Postby Morsel » Tue Jan 24, 2017 2:12 pm

Wondering if anyone knows if there are any differences in setting the band adjustments on a "HiPo" automatic transmission verses a standard C4 transmission. I've got to replace leaking locking nut and need to reset both band adjustments.

Currently the normal C4 shop manual settings are:

1) Intermediate Band: Tighten adjuster nut to 10 ft-lbs, then back off 1 3/4 turns, lock nut tighten to roughly 40 ft-lbs.

2) Low-Reverse Band: Tighten adjuster nut to 10 ft-lbs, then back off 3 full turns, lock nut tighten to roughly 40 ft-lbs.

I do notice that the C6 transmission has completely different setting for the band adjustments, so makes me wonder if the HiPo Auto Trans has different settings, I just want to make sure before I'm doing all this.

I can't seem to find any specific service manual for the HiPo C4 automatic transmissions... anyone know of a source or the information above?

Thanks,

Jason
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Re: 66 HiPo C4 Automatic Transmission question.

Postby K Code » Tue Jan 24, 2017 6:48 pm

The setting are as you have posted. They've worked well for me.
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Re: 66 HiPo C4 Automatic Transmission question.

Postby Morsel » Wed Jan 25, 2017 12:40 pm

K Code wrote:The setting are as you have posted. They've worked well for me.


Awesome, thanks so much K Code...

Jason
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