Re: [MV] M series distributor vent system

From: Thomas M McHugh (tmmchugh@msn.com)
Date: Mon Jul 25 2005 - 15:44:34 PDT


Wes, Joe & others,

Thanks for your replies. I thought the lines were more than for fording.

I will accumulate a set, prior to the completion of the engine.

QUESTION: WHO SELLS VENT LINE SETS ??? ALL LINES AND ALL FITTINGS
???

Tom

----- Original Message -----
From: "Wes Knettle" <wsknettl@centurytel.net>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Monday, July 25, 2005 10:52 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



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