Thank you for the responses. Just to make sure I'm on the right page, when you say non-synchro trans, you mean just 1st gear being on synchro, like the pre 57s, right?

Also, is all 90w the same, or are there particular types of 90w with different ingredients I should be aware of?

Thanks,
Brandon

Last edited by Vetteman61; 08/06/2016 4:32 AM.