I would run simple 80/90 weight gear oil in the rear, available at any parts
store, Auto Zone, Pep Boys, etc. You probably will not drive the car hard
enough to need synthetics, but nothing wrong with doing it. The T-5 uses
ATF, not normal gear oil, whether the Ford or GM version. Red Line is my
choice for the tranny, as it really helps the shifts, buy the proper
product, be sure to tell Red Line which tranny you are using.
Engine oil for a rebuilt engine- do not use synthetic for the first 2000
miles of break in. Use a cheap straight weight to get the rings to seat.
After that, I like Mobil 1. I like to do an oil & filter change at 500 miles
to clear anything in the way of trash left from the rebuild, then another at
2000 miles. Call me cautious.
The Ford has better gear ratios than the GM version, but may not put the
shifter in the best location- you will have to check this out. New in the
box Ford T-5's are $1100.00 from Ford, not a bad deal, considering a rebuilt
GM is around $900.00.
Jim Stuart
Reply to <jimbb88@usa.com>
-----Original Message-----
From: owner-mgb-v8@autox.team.net [mailto:owner-mgb-v8@autox.team.net]On
Behalf Of James Jewell
Sent: Thursday, August 22, 2002 2:00 PM
To: mgb-v8@autox.team.net
Subject: One or two for the road
Hi all,
I've been going from DC up to NY a few times over the
summer to get the '77B on the road with the 4-banger in
it so I can drive it down here to do the conversion.
All I've got left to install are the fuel pump, wheels
and the seats (nothing like a new upholstery kit to
make a car look like it did on the lot). I've got two
quick questions about a stock 1800 B that I want to
risk asking on the V-8 list, since it's in the spirit
of getting it ready for the V-8 boost.
1) The manual lists 90wt. hypoid oil for the later
tubular axle. However when I look through Summit and
Jegs, they show just plain "gear oil" with no mention
of "hypoid". I'm assuming they just don't use the word
"hypoid" anymore, and these are the correct oils to use
in the rear end? They list multi-viscosity oils from
70W90 to 80W140, and some are synthetic. Are these
ranges acceptable? is one preferable? Is synthetic OK?
What do you reccomend? Red Line recommends their
synthetic 75W90 gear oil for street transmissions that
would otherwise take 90W oil (which my shop manual
lists for my year).
2) I was going to use synthetic oil in the block, so
can I use synthetic in the tranny, to keep my oil
purchases simple? Or should I use a particular weight
for the tranny, regardless of what I put in the block?
Note: I didn't do a full rebuild on the block, but I
had it stripped to the short-block and got most of the
old oil-gunk out, and used new gaskets for assembly (of
course). I was just going to drain the tranny prior to
refilling. So synthetic is OK?
3) And finally, a V-8 question: Other than the
required adapter plate, is there any down-side to using
a Ford V8 T-5 on the B? The Ford units seem so much
cheaper..........
Thanks all... Any words of wisdom before I take it on
a 330 mile jaunt?
James J.
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