Mallory points distributor advance springs

ottawamerc

Petty Officer 2nd Class
Joined
Sep 16, 2004
Messages
128
Hi guys
I have an Merc 228 with a Mallory distributor, the wieghts are advancing in at around 450 rpm. I pulled the thing apart and found that the springs are slack on there holders and they are different colors. I have reserched for this unit including a call to Mercury. They sent me a fax of the unit but it was very weak on a parts view.
They also sent me the advance curve which is very helpfull and clear, advance starts at 800-1100 rpm.
Any help with this unit would be greatly appreciated.

Thanks
Ottawa
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: Mallory points distributor advance springs

Merc doesn't sell just the springs for that distributor (or any distributor for that matter). You may find an auto parts store that carries the springs, the problem will be finding the correct ones so you have the proper advance curve.
The other option would be to upgrade to an electronic ignition. Complete distributor.
 

HT32BSX115

Supreme Mariner
Joined
Dec 8, 2005
Messages
10,083
Re: Mallory points distributor advance springs

You can look in the phone book in your area for an "Auto Electric" place that does auto ignition. They'll have a device for spinning the distributor and can set up any advance curve desired. They usually also have advance curve info for just about all engines, Marine and otherwise.

You can do it by trial and error by replacing weights/springs and reading the timing info with a timing light. It's much less accurate and somewhat of a pain.

I'll go with Don's suggestion though, I like the electronic distributor. Napa has them (Sierra), MSD and Mallory also have them. They're not cheap though... around $350.


Regards,

Rick
 

calwldlif

Petty Officer 1st Class
Joined
Aug 16, 2002
Messages
348
Re: Mallory points distributor advance springs

I recommend you have yours "curved"
to the spec sheet you have.
Reason, it is almost impossible to find a
new distributor curved for your application.
Put in pertronix if you want pointless.
I think you'll find distributors are generic
a 1 size fits all mentality.
A good "tuner" will often improve the curve
from his/her experience.
 
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