Military-Vehicles: Re: [MV] M-43 troubles

Re: [MV] M-43 troubles

Stu Ellis (stu@bit-net.com)
Wed, 06 Aug 1997 09:37:28 -0400

Hayes-Holgate, Shaun wrote:

> this past weekend i took the advice from the list and insulated my
> fuel
> lines to prevent vaporlock
> and golly would'nt you know it but i think it worked. maybe it was
> just
> me being too hopeful but i'm sure
> it was easier to start after a run in the hot sun. two other things
> i
> did was a compression test and set
> the timing.the compression test gave me 90 psi on all cylinders so i
>
> figure thats fine. i got the timing light
> going with the clamp on a car plug cable but i had a hard time
> getting a
> good marker reading. it was
> jumping back and forth under the light so i set it as close as i
> could
> to the pointer. my timing light does'nt
> have an adjustable dial on it.do i need that to get an accurate
> reading?
> this is all a vain attempt to restore
> the engine to full power.i get a good idle but as soon as i rev high
> it
> coughs and sputters and backfires.
> i've got new plugs,new points,condensor,good batteries,rebuilt
> carb,new
> regulator,a steady fuel flow after
> the fuel filter,air filter ok,fuel cap off, idle screw set,but still
> i
> get weak accelerator response. next i'll test the
> coil but then i'm out of ideas. the plugs have a slight black sooty
> deposit but nothing like the caked on soot
> photos you'll see in manuals so i'm thinking their ok. i'm
> scratching
> my head. any thoughts?
>
> ===
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Hi! The last time I had the same problems it was a distributor cap
that was cracked and only happened when I drove my 68 GTO over 50mph.

--
Stu & Meredith  Derry, NH, USA
"Live Free Or Die"
1952 M38A1
1964 M416

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