Jacobs offers an ignition I wanted to get a group buy about 2 years ago and like 2-3 people went in on it. I have a brand new Jacobs in my basement. Let me try to dig up some info on it for you.
There is more info in there but its way back in 2001 I had to search through on the yahoo groups.
Here is the link for you.
This is what I wrote at the time:
There is a new poll up for the Jacobs Ignition ICE Pak for our MKII.
I have been told we can expect at least these gains;
-8% gain in horsepower
-10% gain in torque
-16% better mileage
-Quicker starts (hot or cold)
-Smoother engine operation & idle
-Eliminates bogs, hesitation, and erratic idle
-Maximum spark to get up to 99% fuel burn
-Reduce spark plug and electrode wear
-It will plug directly in without wiring or splicing. The complete
system normally runs $474. There is a 30-day trial period to try it
out if not satisfied they will refund the purchase price less 10%.
The 325 is good right now but I have been told that more people will
equal a deeper discount please vote seriously I am getting one but if
we can all save money lets do it.