Hi Rich,
The switch I referred to is not the activation switch, but an inhibitor
for all but 3rd and top gear.
It is easy to forget the OD is on and damage is possible. Is your gearbox a
single or three rail? The older three rail type with OD have a longer
remote shaft that sticks out forward of the casting, and the inhibitor
switch mounts on a bracket there so it contacts the remote shaft end which
is shaped to only allow for 3rd and top.
On the 4.11 diff subject, I broke three inner drive shafts using mine with
the 1500 doing things I considered normal driving, like making a tight turn
on a graded driveway etc. If you do opt for a 3.89, the u-joint flanges on
the rear axles need to be changed for the larger ones, and the spring
mounting may have only four studs for the later swing spring, otherwise it's
a bolt on swap.
Scott
--------------------------------------------------
From: <rlmossholder@comcast.net>
Sent: Friday, March 19, 2010 9:15 PM
To: "North Bay British Car Club" <nobbc@autox.team.net>
Subject: Re: [Nobbc] TRs and big engines
> Hi Scott,
>
> Thanks for the advice. I had good compression on all cylinders, although a
> little on the low side (120,122,121,122). I have the Weber DGV on the carB
> John Kenner hasB a rebuiltB 4.11:1 dif that I'm going to buy. I have the
> shift
> lever with the switch as well. The drive shaft is being cut and balanced
> by
> the machine shop that I have the engine at. I'll have toB get a new speedo
> cable. I won't be able to attend the ride tomorrow, other plans. I'd like
> to
> meet you and talk spitfires sometime.
>
> Cheers,
>
> Rich M
>
> '71 Spitfire
>
>
>
>
>
>
> B
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> Nobbc@autox.team.net
> http://autox.team.net/mailman/listinfo/nobbc
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