Distributor Question

[Shannen Durphey]

AND prevent the mechanical and vacuum advance mechanisms from moving!

Leaving these parts free to "flop around" makes accurate timing impossible.

You don't try to drive your vehicles with the distributor loose enough to spin by
itself, do you?  Why would you allow the parts inside the distributor to do this??

For the GM HEI, the most straightforward fix is to obtain a new distributor shaft
from a computer controlled distributor, and a vacuum advance "replacement plate"
from a medium duty truck.  This is not necessarily the best fix, but it's a good
one.

Shannen


WEG1192 at aol.com wrote:
> 
> Hash,
> 
> If the billet dist has a magnetic pickup, use that to trigger a stock GM
> ignition module and the GM module to fire the MSD 6AL. This will place the
> MSD under control of the ECM. JW
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