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Re: [Mgs] Engine installation advice

To: "Ed Woods" <>, "MGS" <>
Subject: Re: [Mgs] Engine installation advice
From: "Dodd, Kelvin" <>
Date: Tue, 3 Jun 2008 11:07:04 -0700
1.  Leave the mounts loosely attached to the engine plate. You may have
to twist them a bit to get all the body side bolts inserted. Once the
motor is in position, the upper nuts are easy to tighten.

2.  I've found it helpful to install the mounts while the gearbox is in
position, but still hanging down a bit. The mounts are loosely attached
to the crossmember and the assembly can then be twisted and used as a
lever to get the mounts to line up on the box. It's a PITA, so just be

WARNING!!!!   Test fit the mounts to the crossmember and gearbox before
installing the engine and transmission. Also run a coarse thread tap
carefully into the gearbox mounting threads to clean them out. BTDT.
Once I tried to install an OD using a replacement crossmember that
turned out to be bent!!  It took 6 hours to figure that one out. Then I
spent about an hour trying to get a bolt threaded into a damaged hole.
It's not fun trying to install a helicoil under the car.

The third switch does sound like the seat belt interlock switch used in
(I think 1974).


> -----Original Message-----
> From:
> [] On
> Behalf Of Ed Woods
> Sent: Tuesday, June 03, 2008 9:42 AM
> To: MGS
> Subject: [Mgs] Engine installation advice
> Listers,
> Well, after two years, I'm finally ready to reinstall the
> engine and transmission, to which I've added overdrive, into
> my '72 MGB. I have all the shop manuals, hardcopy and CD, but
> wonder what the group experience might be to ease
> installation. The engine is mated to the gearbox, by the way.
> 1. Should the motor mounts be affixed to either the engine or
> the car before installing; or, neither, that is, wait until
> the engine is in position before placing the mounts.
> 2. What's the easiest way to install the transmission mounts?
> To the transmission? To the crossmember? Before or after
> everything's in position?
> Aside: None of my books/manuals showed the positions of the
> reverse and overdrive switches on the gearbox top cover. Nor
> did any indicate the function of the 3rd switch to the right
> and rear on the top cover. Since that one's "on" in any gear,
> I figure it must me some kind of "start"
> interlock used on later cars. I don't really know the source
> of this overdrive transmission. The large switch, forward
> right hand side, is for the back up lights. The switch on the
> left is the overdrive interlock.
> Thanks in advance for any and all guidance.
> Ed Woods
Support Team.Net

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