Re: [MV] M series distributor vent system

From: Sonny Heath (sonny@defuniak.com)
Date: Mon Jul 25 2005 - 10:45:47 PDT


Think that will smoke in your pipe Joe?

Sonny

----- Original Message -----
From: "Wes Knettle" <wsknettl@centurytel.net>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Monday, July 25, 2005 9:52 AM
Subject: [MV] M series distributor vent system

> Based on my experience the vacuum powered vent system on the M series
> autolite systems when disabled or plugged in high temp geographic areas
> tends to shorten the life of the coils. I won't argue all the goodies a
> vent system can do for a sealed distributor but I am convinced cooling
> is one of them. The Army training references I have found are the system
> is there to "vent and to remove moisture from the waterproof
> distributors". Common sense dictates that the act of venting provides
> fresh clean cool air and the result is the purging of stale contaminated
> hot air. Next to incorrect applied voltages and mechanical ineptitude
> heat is the ignition coil's greatest enemy. The M series sealed
> distributors if not vented will build up tremendous heat levels which
> will shorten coil life measurably. Next time you pull in your driveway
> and shut down after a trip put your hand on the distributor housing!
>
> Wes K
>
>>
>>> Message-ID: <BAY101-DAV157950DA86FBE0F1CFB824C0CA0@phx.gbl>
>>> From: "Thomas M McHugh" <tmmchugh@msn.com>
>>> Subject: [MV] M38A1 Questions
>>> Date: Sun, 24 Jul 2005 20:14:28 -0400
>>>
>>> I am presently having an M38A1 Engine Remanufactured. The Head &
>>> Block will be Magnafluxed & planed, The Crankshaft will be balanced
>>> & turned if needed, ALL other parts will be new. The cylinders will
>>> be bored out slightly & a new 24 volt system will be installed, along
>>> with a new wiring harness.
>>>
>>> I do not have all the tubing on my present engine, as it had been
>>> made 12 volt.
>>>
>>> Question: Will the coil in the distributor over heat without a
>>> line ??? Are the lines an air system or vacuum system.
>>>
>>> Question: What is a fair price to sell my present engine. Runs
>>> good.
>>>
>>> I just have the opportunity to build a remanufactured engine.
>>>
>>>
>>> Tom McHugh, NJ
>>> 1952 M38A1
>>> M-416 Trailer
>>> MVPA, MTA
>>>
>>
>>>
>>> ------------------------------
>>>
>>> Date: Sun, 24 Jul 2005 21:45:23 -0400
>>> From: joeyounginc@aol.com
>>> Message-Id: <8C75ED1A875C058-864-492FC@mblk-d45.sysops.aol.com>
>>> Subject: Re: [MV] M38A1 Questions
>>> Tom,
>>> The distributor vent lines are not for cooling the
>>> coil, they vent the distributor of gasses that would
>>> cause the points to burn.
>>> Joe Young
>>>
>>>
>>>
>>>
>
>
>
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