mgs
[Top] [All Lists]

Re: Ignition

To: "MGB" <mgs@autox.team.net>
Subject: Re: Ignition
From: "Dave Wood" <djw69@idt.net>
Date: Fri, 24 Mar 2000 15:21:07 -0800
Max,

I agree about the little screws, but I don't use a feeler gauge at all, I
just use a screw driver to open/close the points until the dwell is correct,
tighten up the screw that holds the points in place and put the cap on.

Dave
-----Original Message-----
From: Max Heim <mvheim@studiolimage.com>
To: MGB <mgs@autox.team.net>
Date: Friday, March 24, 2000 2:40 PM
Subject: Re: Ignition


>Well, I am tall and have to bend over double, but mainly it's my
>eyesight. I can't tell if the feeler gauge is going in straight or not --
>if it's cocked and dragging I can wind up setting the gap way too wide.
>Also I tend to drop the tiny screws which then vanish into the leaf
>litter.
>
>Possibly my negative atitude towards point adjustment can be traced to my
>other vehicle. My Plymouth has a dual-point distributor mounted at the
>center back of the V8, otherwise known as the "pole of inaccessibility".
>In fact, you can barely reach the bolt which secures the distributor in
>order to remove it. It would take a remote control miniature robot to
>replace and adjust the points in position. Or you could remove the hood
>and squat on the air cleaner, I suppose...
>
>Dave Wood had this to say:
>
>>Max,
>>
>>I have never taken my distributor out to change the points, maybe I'm
>>shorter than you.  I use a dwell meter and adjust while cranking.  Then
put
>>the cap on and check while running.  I usually have to readjust a bit as
the
>>cranking dwell and running dwell are a couple of degrees off and I forget
>>from one set of points to another how much to compensate for.  I just
>>purchased a Pertronix for my 72 B but haven't put it in yet.  Too many
kids
>>cars to fix first.  I usually know to change points when my B doesn't
start
>>within a couple of seconds of cranking.  I don't mind setting the points,
>>but thought the electronic ignition might make the old ragtop run a bit
>>better.
>>
>>Dave 72 B
>>-----Original Message-----
>>From: Max Heim <mvheim@studiolimage.com>
>>Cc: MG CHAT LIST <mgs@autox.team.net>
>>Date: Friday, March 24, 2000 10:16 AM
>>Subject: Re: Ignition
>>
>>
>>>I may have stated this before, but in my opinion the chief benefit of
>>>"pointless" ignition in the B is that it saves the hassle of removing and
>>>replacing the distributor. At least, I have always found it necessary to
>>>remove the distributor to replace and set the points (can't see 'em way
>>>down there in the engine bay, at least not well enough to measure to the
>>>nearest one-thousandth), and the distributor clamp bolts are a pain to
>>>get at, while you shouldn't undo the actual clamp at all due to the
>>>fragile nature of the distributor base. Reliability aside, I think the
>>>time savings at every scheduled tune-up justify the expense. I do keep a
>>>points set-up in the boot in case of electronics failure, but it remains
>>>undisturbed after 11 years.
>>>
>>>I have an older Allison unit, but if I were to do it today I think I
>>>would go for the Pertronix unit that fits entirely within the distributor
>>>cap, for appearance reasons (not that anyone who saw my engine
>>>compartment would think I gave a fig for appearances).
>>>
>>>
>>>>>From: rsexson@excite.com
>>>>>To: mgs@autox.team.net
>>>>>Subject: Ignition
>>>>>Date: Thu, Mar 23, 2000, 1:51 PM
>>>>>
>>>>
>>>>> I would like to know the best type of electronic ignation to install
on
>>my
>>>>> 74.5 B [25D distributor], or is it best to keep the points.
>>>>>
>>>>> Opinions please.
>>>>>
>>>>> R, Sexson
>>>>> 74.5 B [ 75% ]
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Get 100% FREE Internet Access powered by Excite
>>>>> Visit http://freelane.excite.com/freeisp
>>>>>
>>>>
>>>
>>>
>>>--
>>>
>>>Max Heim
>>>'66 MGB GHN3L76149
>>>If you're near Mountain View, CA,
>>>it's the red one with the silver bootlid.
>>>
>>>
>>
>>
>
>
>--
>
>===============================
>Max Heim
>mvheim@studiolimage.com
>Studio L'Image/San Francisco
>415 643 9309 : 415 643 9307 fax
>Studio L'Image/New York
>212 242 3366 : 212 242 3399 fax
>www.studiolimage.com
>
>


<Prev in Thread] Current Thread [Next in Thread>