Steve,
As I stated in a recent post I recently went to the Redline. I chose the MTL.
Cost from Summit with shipping was right at $10 per qt.
As far as results it definitely makes in and out of OD smoother. However, as
far as shifting through the gears I see only a slight improvement. Should you
go to Redline? You will have to decide if the increase in cost (given how
often you change the oil and how much you drive) is worth the improvement.
Keith Pennell
> Hello, Healeyphiles -
>
> Since my overdrive sticking problems have coincided with a need for a
> regularly-scheduled gearbox oil change, I thought it might be time to try
> the Redline MTL that so many have raved about. Of course, my local Advance
> store is out of stock (probably not "out" - just didn't order any in the
> first place). But from their catalog I noticed two things:
> 1. MTL is 75W/85W. That seems a might thick, compared to the 30W
> non-detergent I have used for 25 years.
> 2. MTL costs $14 per quart. That seems a might steep, compared to the
> $1.99 per quart for 30W non-detergent.
>
> So, the cost for a twice a year oil change will go from about $8 to $56. Is
> the difference in performance worth that? 75W/85W is close to the viscosity
> of rear axle oil. What about the manual caution against using heavy oils in
> the gearbox? Is that caution obsolete now?
>
> Happy Healeying!
> Steve Byers
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