RE: [alfa] the old 115 trans oil question

["Jeff Greenfield" <alfaguy@xxxxxxxxxx>]

Andrew -

My understanding is that the RL MT-90 and MTL meet all the same
specifications (IE non-hypoid oil meeting GL-4 Requirements). The difference
is that the MT-90 is a heavier weight oil.

I've used both with great success in Alfa gearboxes. Some people seem to
think that the MTL is a little too thin which leads to foaming and in some
cases makes the gearbox a little noisy.

Or I could be completely wrong about all this.

HTH,

Jeff

-----Original Message-----
From: owner-alfa@domain.elided [mailto:owner-alfa@domain.elided] On Behalf Of
Watry, Andrew (LNG-SFR)
Sent: Wednesday, September 24, 2003 3:03 PM
To: 'alfa-digest@domain.elided'
Subject: [alfa] the old 115 trans oil question

As I mentioned recently, and someone else agreed, I changed the oil in my 73
Berlina transmission from whatever-was-in-there-from-Kragen to Shell Spirax
90, and think the action may be stiffer than before.  However, what I'm
fully realizing on further driving, is that the synchro action and shift
feel is much better when the oil is cold (coastal California cold: 50-70
degree F), than when it warms up.  That seem backwards to me, but is true in
my experience with this car.  Can someone explain why that might be?

I wonder if switching to a Redline synthetic would help shift feel and
synchro action both hot and cold?  One person recently recommended Redline
MTL for these transes, but I believe others use Redline MT 90, including one
local racer with a Giulietta (though I'm unsure what trans is installed).  I
assume they're different? Is MT 90 for pre-moly synchros, and MTL for moly
synchros?  I know this can get into a long discussion.  Thanks

Andrew Watry
--
to be removed from alfa, see /bin/digest-subs.cgi
or email "unsubscribe alfa" to majordomo@domain.elided
--
to be removed from alfa, see /bin/digest-subs.cgi
or email "unsubscribe alfa" to majordomo@domain.elided