Search found 2 matches

by iammattjones
Thu Dec 21, 2023 10:46 am
Forum: Engine & Drivetrain
Topic: 66RFE Downshift Hesitation/Shudder
Replies: 12
Views: 15366

Re: 66RFE Downshift Hesitation/Shudder

Geez, that sucks to hear. Are you planning on getting it flashed or changing it out? Well I asked Hemi Fever about their tunes and I got a "we dont do that" reply, which was incredibly frustrating. I paid 6500 for this build, I'm not swapping anything. The shop will make sure it operates properly, ...
by iammattjones
Wed Nov 01, 2023 12:22 pm
Forum: Engine & Drivetrain
Topic: 66RFE Downshift Hesitation/Shudder
Replies: 12
Views: 15366

Re: 66RFE Downshift Hesitation/Shudder

::Sigh:: I know this is an older post, but I have some pertinent info you all will appreciate. Well I have the exact same issue. I even had some slippage in higher gears and it wanting to constantly upshift under load going up the mountain to my house. Well it eventually got bad enough that I had a ...