Re: Twin Ultramatic fluid?

Posted by Scott On 2022/7/15 11:07:34
If the transmission was rebuilt with modern clutch materials then Dextron spec ATF is recommended. If old NOS parts were used then Type F or Trickshift, which is a modified Type F.

This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=245974