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RE: TR4 Idling Speed & polarity

To: "Bob Savar" <bsavar@wwwcomm.com>, <triumphs@autox.team.net>
Subject: RE: TR4 Idling Speed & polarity
From: "Brian Sanborn" <sanborn@net1plus.com>
Date: Thu, 21 Mar 2002 22:29:14 -0500
Bob,

1.  I like 850-900.  Your can get id lower but why bother.
Randall is right. Use an electrical tach to measure off the
distributor/coil.  Most inexpensive tune-up gadgets/meters have
the Tach function built in.

2.  The 1962 electrical system was a POSITIVE ground.  Any
semi-modern radio will get fried if you hook it up.  What I did
and almost all TR4s I come across have done is switch the
polarity to NEGATIVE ground.  It is a 20 minute job on a slow
day.  Go to the www.vtr.org site and follow the path to
"Maintenance"

Brian Sanborn
'62 TR4  CT16260L-O - Groton, MA

My TR4 Restoration Web Site
http://www.net1plus.com/users/sanborn

-----Original Message-----
From: owner-triumphs@autox.team.net
[mailto:owner-triumphs@autox.team.net]On Behalf Of Bob Savar
Sent: Thursday, March 21, 2002 9:54 PM
To: triumphs@autox.team.net
Subject: TR4 Idling Speed & polarity


Two questions about my '62 TR4.
1. What should the idling speed be (RPM's)
2. I have purchased a new radio that fits perfectly, but I've
been told
that the radio will not work because of the battery voltage.  Any
suggestions?

Thanks,

Bob Savar
Cherry Hill, NJ

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