HT32BSX115 commented on this topic once perhap's he is right wrong..who know's...............:fish2:...I guess we will find out shortly...:biggrin1:
Ok,
I can't stand it! I guess I do have to comment on this again.
I have searched all over on the place looking for info on using oil with limited slip additives in any cone-clutch drive like a Bravo or a VP drive. A lot of people say "don't do it" but they don't say why (well they say "why" but not "why" why.
I have not really been able to find any definitive information on why limited slip additives would cause any problems in a stern drive because they're designed to work with the clutch plates and clutch material in a rear axle or a cone clutch in a rear axle that has similar clutch material on the tapered "male" surface that are designed specifically to "slip"
A stern drive clone clutch uses no clutch plates or clutch "material" . They're tapered, dissimilar metal (brass/steel) mating surfaces that are not only designed NOT to slip, and with increasing torque causes additional pressure to the surfaces.
Limited Slip additives likely do not work the same with a metal clutch like they would with clutch plates and composite clutch material.
Now, having said all that, I probably wouldn't test my theory on a $5k-10k drive!!
I am using synthetic gear lube in my Bravo. It's NOT an LS type oil
Cheers,
Rick