Susan Hensley wrote:
>
> Subject:
> For the list... concerning compression t
> Date:
> Tue, 2 Sep 1997 17:38:31 -0400
> From:
> MSMCL301.JGAMBO01@eds.com
> To:
> "susan, SUSAN3" <susan@GROTECON.COM>
>
> A message from Jim Gambony...
>
> One item I haven't seen discussed with regard to compression testing is
> what
> to do with the coil output (high tension lead to the distributor).
>
> The suggestion to disconnect all the leads (after marking them) means
> that
> there will be 4 or 6 (or maybe even 8) leads shooting sparks all over
> the
> engine compartment. If you've never been hit with the 20000+ volts from
> the
> coil, don't start now!
>
> The recommendation I've seen is to ground out the lead from the coil to
> the
> distributor (somewhere around the brake/clutch master is great on the
> Spit).
> Make sure to leave the plug in the coil end: I've been assured that
> it's
> not good for the coil to pull the coil end plug and turn the motor over.
>
> Why worry about grounding out the ignition system? Because you'll have
> gas/air mixture leaking out the spark plug holes, just looking to cause
> trouble.
>
> Jim Gambony
> Gambony@hotmail.com
It would seem to me that a much simpler option would be simply to
disconnect the power supply to the coil. Viola! Whole ignition system is
deactivated.
Deano
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