Grassroots Motorsports, a magazine.
http://www.grmotorsports.com/
Larry Hoy
>-----Original Message-----
>From: owner-mgs@autox.team.net [mailto:owner-mgs@autox.team.net]On
>Behalf Of Andrew B. Lundgren
>Sent: Tuesday, March 06, 2001 11:48 AM
>To: Brinkman, Gerardo V
>Cc: The MG List
>Subject: Re: Pertronix vs Mallory Magnetic
>
>
>What is Grassroots?
>
>On Tue, 6 Mar 2001, Brinkman, Gerardo V wrote:
>
>> >Have been investigating switching my ignition system over to a breakerless
>> >setup for my 74 V8. I'm intending on using a Mallory ignition control. To
>> do
>> >this it appears I will need to replace my Dual point distributor with
>> either
>> >a Mallory Magnetic distributor ($320) or a Pertronix device which will
>> >require me to lock out the mechanical advance. It costs $110. A big
>> >difference! Anybody with practical experience tell me whether or not there
>> >is any difference worth the extra $. Oh, I also don't want to lose the
>> >vacumn advance in the distributor - anyone know if the Pertronix affects
>> >this?
>>
>> There is a great article in this month's Grassroots, where they take a
>> regular
>> MGBGT and put it on a dyno. Then they add "external" performance pieces to
>> the engine and measure it again.
>>
>> Reprint from GRM:
>> Basleine 56.8hp
>> Add Petronix 61.1hp
>> Add MSD 62.7hp
>> Wires 62.7hp
>> Petronix/MSD +30deg advance 64.3hp
>> As above with K&N 65.9hp (+16% increase over baseline)
>>
>> .
>>
>> this is an ongoing exercise, and in the next issues they are going to make
>> more mods.
>>
>> gerry
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