Originally Posted by DoctorDiff
I recommend my 8.75" helical differential. It is smooth, strong and quiet. See below:

https://www.doctordiff.com/8-3-4-helical-gear-sure-grip-sure-trac.html



My post looks like I was saying Dr Diffs made noise, mine was an Eaton one that was VERY bad, if Dr Diff says his is good I believe him !!!!!! I corrected my other post, sorry about that Cass !!!!

Last edited by csk; 01/29/23 07:43 PM.
1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5