Thanks so much Scott, John, Norm and Andy for your advice.
Will do!
Best Regards,
Charlie
52 XK120 OTS
-----Original Message-----
From: nobbc-bounces@autox.team.net [mailto:nobbc-bounces@autox.team.net]
On Behalf Of andy preston
Sent: Monday, June 15, 2009 11:24 AM
To: 'North Bay British Car Club'
Subject: Re: [Nobbc] Change polarity a good idea?
Hi Charlie, changing the polarity is very simple and means that you can
use
modern car radios and electric fans if you want to. It's also nothing
that
can't be changed back for the die hard purist. I've changed both my 67
MGB
and 60 MGA to negative ground. In fact with the MGA all I had to do was
change the battery cables around and re-polarize the generator which was
rebuilt in any case as negative ground. The rev counter is cable
driven
which I assume is the same on your Jag so you don't have to mess with
that.
Petronix is fabulous and I had it on my 74 MGB GT for about 4 years and
removed it when I had starting problems, which turned out to be
unrelated to
Petronix. I should re-install it but haven't bothered because the car
runs
great with the old points. I tried to fit a new Petronix on my 67 MGB
(converted from positive to negative ground) and for some reason fried
the
system so have stayed with points again. Overall I think it's the way
to go
and should re-do it on all my cars again.
Andy
74 MGB GT
67 MGB Roadster
62 MGA Coupe
-----Original Message-----
From: nobbc-bounces@autox.team.net [mailto:nobbc-bounces@autox.team.net]
On
Behalf Of Charlie Saul
Sent: Sunday, June 14, 2009 5:35 PM
To: North Bay British Car Club
Subject: [Nobbc] Change polarity a good idea?
Hi All,
I am having some electrical work done on my '52 Jag and hope to meet up
with you all soon. A while back there was some NOBBC discussion I
believe regarding fitting the distributor with electronic ignition, and
I think I'd like to have that done as well as have an electric fan
installed to assist with the radiator cooling.
Perhaps someone could comment on the pro's and con's of electronic
ignition and whether or why having the polarity changed to negative
ground is a good or bad idea, and what that affects.
I am told that each one of these things are not particularly costly to
do.
What do you think?
Many Thanks,
Charlie Saul
'52 Jag OTS
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