Word on the street is that William M. Gilroy said:
> several problems. This dizzy has a vacuum advance unit on the right
> side. At the back of the vacuum advance is a thumb screw with an
> AR cast into the metal of the VA (vacuum advance) unit. As I under
> stand this 77 they had a vacuum retard unit not advance.
The advance-retard adjuster is for timing, not for changing the vacuum
advance. If your distributor is the same as the model I have described here
(it may well not be) then 11 clicks of the adjuster = 1 degree of timing
change.
> This dizzy
> also has a wobble. If you grasp the dizzy itself the top half can be
> moved and wobbled. The dizzy is securely fastened to the block and
> cannot be rotated. I assume this wobble is not a good thing.
You would assume correctly... I would think your timing is somewhat "erratic"
Skye
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1966 MGB GHN3L-70307 __,__\__
The MGB Experience http://www.mgb.bc.ca/ (_o____o_)
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