Re: Timing light answers

["Dean W. Cains" <dwc@domain.elided>]

Hi again, Biba:

Changing the advance springs will change the advance curve's shape, but not 
it's upper limit.  If you want more total advance, you'll have to do some 
shaving or bending of whatever mechanism is limiting the movement of the 
advance weights at the end of their travel.  In other words, if you were to 
use lighter (less strong) springs, you'll get the advance to come in at 
lower rpms, but the total advance will remain the same.  Early last year, I 
did find some different advance springs at AR Ricambi which I tried in a 
Marelli S103BA, that made a slight improvement on my '74 Spica Spider, but 
in the end I switched to a Bosch 041 with Crane guts replacing the points.

Regards,

Dean


At 01:27 AM 10/28/2002, you wrote:


> Date: Sun, 27 Oct 2002 18:42:11 -0700
> From: alfacybersite <acs@domain.elided>
> Subject: Timing light answers
>
> (snip)
> I was slightly surprised no one suggested how to fix / modify the
> MarelliPlex's centrifugal advance. Once again, apparently I'm not alone
> with this problem. Well aware it is a spring 'situation', but how and
> which one?
>
> Biba
> Irwindale (pitch black at 6:36 in the 'afternoon'), CA USA
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