Hypoid oil or other oils containing EP additives are important for use
in hypoid type axles because that gear form uses a wiping action which
will destroy the gears if not so protected. No other component needs an
EP oil.
Bill Lawrence
On Jun 2, 2004, at 7:06 PM, Earl Kagna wrote:
> Michael:
>
> Sorry, I missed the first post - was temporarily unsubscribed.
>
> I urge you to use caution when using any gearbox oil other than what
> the
> factory specified. A lot of people have had serious problems with
> their
> overdrives when attempting making changes - some of these products use
> friction reducing additives which are dynamite for the overdrive's cone
> clutch - remember that the gearbox and overdrive units share the oil.
>
> Many of us are using the Redline product (either MTL or MT90) because
> we
> know it works. I use Redline's MTL in both the BT7 (completely
> stock), and
> the BJ8 (Toyota 5-speed conversion). As well, I used it in a now sold
> MGB
> daily driver, which was overdrive equipped. Redline's product uses a
> friction enhancing additive, which is why it works well in Healey's
> with
> overdrives.
>
> I don't know about the BG product that Dean mentions - if it is
> equivalent
> to Redline's product, it should be fine, but I assumed from the post
> that
> Dean has not used it in an overdrive equipped car.
>
> Use caution - if in doubt, the best advice I can give you is to stick
> with
> what the factory recommended. (I have no doubt that I may get a lot of
> flack on this!)
>
> Earl Kagna
> Victoria, B.C.
> BT7 tri-carb
> BJ8
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