[E-Type] torsion bar " calibration" to raise and lower car

In reply to a message from Cre8iv sent Wed 11 May 2005:

The splines are verniered. That is, there are 24 splines on
one end and 25 on the other. A rotation of one spline on
either end equals about two inches in ride height. It takes
some playing around, jogging the front and rear splines to
get the correct setting. I think the minimum adjustment that
can be realistically achieved is 1/4’’ ride height.

However I wouldn’t attempt this without employing a proper
setting tool as laid out in the service manual. Otherwise
you can really frustrate yourself as there are 600 different
vernier positions to try (actually only about 50 of those
positions are useful, but still, that’s a lot to frustrate
oneself).

Richard Liggitt–
'70 E Roadster 1R11998, '98 XK8 Roadster, '02 Mini Cooper
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In reply to a message from Cre8iv sent Wed 11 May 2005:

Since the torsion bar mount (back toward the firewall) was not
moved only the front, I’m wondering then would clock wise or
counter clockwise make the 1/2 inch adjustment that I need to level
the front end… does anyone have a sugestion to avoid having to
play with it?

69 OTS–
Cre8iv
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In reply to a message from Cre8iv sent Wed 11 May 2005:

I have done my bars several times. I do not believe it is possible
to do it correctly without removing the shock, and using the
setting bar in their place. There is just too much pressure on the
suspension unless unloaded.

It’s quite simple if you can get the T-bar out of the lower
wishbone. Remember to take out the small safety bolt in the wisbone
before driving the bar out to the rear. Get shop manual but…
1 jack stands / wheel off / shocks out
2. Make a setting bar out of 1/4’’ alum flat stock / 1/2’’ hole top &
41/64’’ hole bottom. center to center of holes is 17 & 13/16’’ apart.
3. Install setting bar in place of shock
4. drive T-bar out to rear
5. Spin the bar till the splines line up.

Re-assembly is reverse procedure. (I love that line!)–
David Ahlers
Skaneateles, NY, United States
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In reply to a message from Richard Liggitt sent Wed 11 May 2005:

I have done it many times - make up the tool from strip steel using
the dimensions in the Workshop manual - remove the shocky with the
car on the ground and put on the tool - the torsion bar can be
inserted or removed relatively easily (make sure the snail cams or
in the off position)- a torsion bar that is the right specs ie not
sagged) will go in, in the right position - you can then use the
snail cam to fine tune the ride height.

Gazz–
Garrycol
Canberra ACT, Australia
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