[DML] Re: Moisture vs Ignition

["content22207" <brobertson@xxxxxxxxxxxx>]

Actually it isn't raindrops themselves, but atmospheric moisture.
Condensation too. Is death for HT. I would recommend anyone having a
hard time starting their DeLo on such a morning to remove the
distributor cap and dry things off in there, but K Jetronic manifold
kind of rules that out. One time before my car's initial tuneup I did
reach in there and zap it with a heat gun however (PO promised me a
complete tuneup. I think it was plugs only).

I remember GM's HEI well. That's one reason I stick with Delco plugs
-- was a time that no one else's could hold up (and this is a Ford man
talking). I think the original HEI's were only 30,000 volts or so.
Still astronomical when everyone else was running 10,000-15,000. I've
seen aftermarket coil modules as high as 45,000.

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, Bob Brandys <BobB@xxxx> wrote:
> 
> Bill,
> 
> Back in the mid 70s when HEI ignitions first came out, the initial 
> spark plug gaps were 0.060.  Some were as high as 0.080.
> 
> Unfortunately, when the ignition system get wet in the rain, these cars 
> would not start.
> 
> A service bulletin came our reducing the gap to 0.045.   I still use 
> this range on my 70s cars.
> 
> BOB








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