Re: [Amc-list] Distributor issues

["Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>]

I don't know much about 6 bangers either, but for some reason I'm just not
following the logic behind......
"Most of the MSDs do "multiple spark" at low speeds. Right where it's not
needed."
If my thinking is way off here, some one please whack me with a worthless
factory stock points distributor.
here's what I'm thinking.........  if a plug is fired multiple times even at
a low rpm wouldn't that engine become
more efficient, produce more bhp/torque at that low rpm, and produce better
mileage??? Maybe the gain wouldn't
be tremendous but "not needed" just sounds like nothing below 4000 rpm or
something isn't even worth consideration.
Wouldn't something like this even benefit let's say a rock crawler??

oops lookout.....here come the whacks.....          smack thunk kerpow.
ooohhh thet tingles.....

Armand

----- Original Message ----- 
From: "Davis Martin" <martin-davis@xxxxxxxxxxxxx>
To: "AMC/Rambler owners, drivers and fans." <amc-list@xxxxxxxxxxxx>
Sent: Friday, April 25, 2008 9:10 AM
Subject: Re: [Amc-list] Distributor issues


> I know nothing about 6 bangers. I speak only from v-8 experience.
>    Davis
>
> Tom Jennings <tomj@xxxxxxx> wrote:
>   I hate to spoil the party, but here's a wet blanket on gadget
> fun. I'm assuming stock, street, and mild performance. 2hp/ci
> and up, ask an expert.
>
> At high speeds, there's not enough TIME, not
> energy in the coil, to do multiple sparks, without exotic setups.
>
> The 195.6OHV is factory-redlined at 4500 rpm. If you've ever
> driven one, you know that 4000 rpm is VERY VERY HIGH SPEED!
> Even the modern six, built, won't rev much past 6000, and few go
> more than 5000. Why spend $$$ on something that will literally
> never be used?
>
> If you stick with a points distributor, in a slow-turning stock
> motor, they really will last a long time. But if the distributor
> is worn out, meaning the shaft bushings are worn, dwell and
> therefore timing is jumping around. The spring in points puts
> some pressure on the shaft, not much, but it does cause wear.
> A worn distributor with good points and an MSD or other box
> will work fine, but timing might be erratic. Grab the shaft
> and wiggle; look at timing with a timing light.
>
> THe pertronix replaces the points with an optical interrupter,
> no more points-induced shaft wear. Timing would still be erratic
> if the distrib was badly worn, but probaly wouldn't get worse.
>
>
>
> With the 195.6, OHV or flathead, you never rev the motor to
> the point where coil charge time causes ignition performance
> problems. Pertronix and a decent coil on that motor will perform
> as good as a big bucks setup. With a 232, and you rev to 5000,
> a hot coil might make a difference.
>
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