I recently bought an "A" type OD for my TR250 and an MGB LH OD from John
Esposito (www.quantumechanics.com). He was very clear to use 30W
non-detergent in both these OD transmissions. He said the heavier gear
oil was too thick and would damage the OD unit in cold weather, and
detergent oil would foam, also damaging the OD unit. I understood his
recommendations for 30W non-detergent only applied to OD transmissions.
I could not find Castrol 30W non-detergent locally so he is getting some
John Mitchell wrote:
> Hi everyone, Recently there was a thread mentioning
> 30W non detergent for the overdrive tranny. I couldn't find a reference
> to this in Bentley and was considering using Redline 75W90 but wanted to
> check before I do this. Any info would be appreciated.
> Thanks, John Mitchell 76 TR6 Shelton, CT