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Re: [TR] TR4 and Mallory Dist

To: Lee&John Howard <leejohn7@gmail.com>
Subject: Re: [TR] TR4 and Mallory Dist
From: Michael Moore <mmoore8425@aol.com>
Date: Wed, 1 Apr 2009 13:52:52 -0700
Check this out:

mgaguru.com/mgtech/ignition/ig200.htm


Mike Moore

On Apr 1, 2009, at 1:00 PM, Lee&John Howard wrote:

> Thanks, Mike, for the reassurance. I'l do it your way.
> John
>
> On Wed, Apr 1, 2009 at 12:17 PM, Michael Moore <mmoore8425@aol.com>  
> wrote:
>> John
>> My Chrysler uses a dual point distributor. I put a small piece of  
>> cardboad
>> in one set of points, set it the specified dwell angle, then move the
>> cardboad over to the second set.
>> I've done it that way since 1964, and it seems pretty reliable. I  
>> never
>> worry about primary or secondary.
>> I understand the purpose of dual points on a V8 -because with 8  
>> lobes, the
>> point gap gets small to get the correct dwell angle and its  
>> therefore very
>> small gap.
>> With 4 lobes, it never made much sense to me, but racers say it does.
>> Good luck!  Mike Moore
>> 59TR3A
>> 62 Chrysler 300H
>>
>>
>> On Apr 1, 2009, at 11:57 AM, Lee&John Howard wrote:
>>
>>> I'm at the point of starting up my rebuilt engine in my new TR4,  
>>> which
>>> came with Webers and dual-point Mallory. I downloaded instructions  
>>> for
>>> setting the dwell and they say to set the "primary" points first,
>>> those that open first in the engine's revolution. I don't see how to
>>> determine which is first - looking down at the dizzy it looks both
>>> point sets are at the same relative place on their cams at the same
>>> time. How do I tell which is "primary?" . Does it matter?
>>>
>>> Thanks in advance. More questions to come, I'm sure, as I try to  
>>> start
>>> up and become familiar with the Webers.
>>>
>>> John Howard
>>> 64 TR4 daily runner (almost for sale!)
>>> 65 TR4 almost ready
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