[DeTomaso] MSD Mechanical Advance & Tach Adaptor

Donny Williams donnylee at ccwebster.net
Sat Feb 3 10:54:03 EST 2007


This is very sound advise on the curve John shares from my view.......And 
will get your motor running!  Like John, I like total in just as soon as the 
engine can handle it, and thats right about where he indicated, on most 
engines.  36-38 total usually will get your engine running snappier the a 
chihuahua.......

There alot of power lost on alot street engines because they are running a 
tired dizzy with frozen mechnical, or because of a lazy stock curve.... A 
good aftermarket Dizzy if it is set up right, is one of the best bangs for 
the performance bucks in my opinion.

Donny

----- Original Message ----- 
From: "John Taphorn" <jtaphorn at kingwoodcable.com>
To: <detomaso at realbig.com>
Sent: Saturday, February 03, 2007 4:14 AM
Subject: Re: [DeTomaso] MSD Mechanical Advance & Tach Adaptor


> On my car and others that I have set up, I aim for 16 degrees initial 
> advance with 20 or 22 in the distributor.  22 if your compression ratio 
> will allow you to get away with it.  I also set the curve to be at full 
> advance by 2800 RPM.
>
> JT
> ----- Original Message ----- 
> From: "David & Marilyn Bell" <davidabell at worldnet.att.net>
> To: "rick mcclure" <rickrows at hotmail.com>; <detomaso at realbig.com>
> Sent: Friday, February 02, 2007 11:19 PM
> Subject: RE: [DeTomaso] MSD Mechanical Advance & Tach Adaptor
>
>
>>A MSD 8577 has roughly 20 degrees of mechanical advance available.  So if
>> you set your static at 14, then you'll end up with about 34 degrees max.
>> The advance will be full on somewhere around 3500 rpm if I remember
>> correctly.  MSD also sells a kit containing several different spring 
>> pairs
>> and various rubber bumpers (plus instructions and advance charts) that
>> permit a fair amount of advance adjustment.
>>
>> If you have a stock distributor, then you will want an 8920 tach adaptor.
>>
>>
>> Dave Bell
>>
>> -----Original Message-----
>> From: detomaso-bounces at realbig.com 
>> [mailto:detomaso-bounces at realbig.com]On
>> Behalf Of rick mcclure
>> Sent: Friday, February 02, 2007 7:38 AM
>> To: detomaso at realbig.com
>> Subject: [DeTomaso] MSD Mechanical Advance & Tach Adaptor
>>
>> What is the mechanical advance for an MSD 8577 in a stock Pantera 351C?
>>
>> What tach adaptor is required for that application?
>>
>> Thanks,
>> Rick
>>
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