Experiences with Jacobs Ignition?
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Joined: Mar 2002
Posts: 69
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From: Clinton MD
Experiences with Jacobs Ignition?
Just bought Jacobs Ignition and Coil and I'm installing them on my 69 coupe. I'm using a Mallory Unilite distributor. Had poor results with the MSD, which I'm now replacing. Anyone with good or bad experiences with the Jacobs?
Abby Normal
Joined: Dec 2001
Posts: 53,353
Likes: 92
From: Press "2" for English
Re: Experiences with Jacobs Ignition? (Michaeljh3)
i put a jacob's pro street ignition on my car about 3 years ago. i love it. they advertise that your going to get 'x' amount of power and gas mileage but i can't prove it. i'm not doubting it but i didn't dyno it before or after and have done no gas mileage runs so i won't say yes or no. one thing i did notice is that it burns clean, very clean. used to be on my tired engine i would do an oil change and in 500 miles it was just black and nasty. after i installed the ignition, i more than doubled that, more like tripled it.
i run .075" on my gap and have no problems with misfires. thing is so hot i think it would burn b-b-q sauce.
earlier this year, my coil burnt up. somehow managed to get an internal short. :( called jacob's and they said give summit a call (where i bought the system). summit sent me a new coil and paid the shipping. :) jacob's has lifetime warranty on coils and wires :cool:
i run .075" on my gap and have no problems with misfires. thing is so hot i think it would burn b-b-q sauce.
earlier this year, my coil burnt up. somehow managed to get an internal short. :( called jacob's and they said give summit a call (where i bought the system). summit sent me a new coil and paid the shipping. :) jacob's has lifetime warranty on coils and wires :cool:
Burning Brakes
Joined: Oct 2001
Posts: 1,185
Likes: 0
From: New Wilmington PA
Re: Experiences with Jacobs Ignition? (clutchdust)
Sorry about the lame question but what do these boxes do? Are they a replacement for a distributer or do they tie in to the existing ignition system somehow. I tried searching around on summit and jeg's websites and they all assume if you're looking for it you know what it is.
Melting Slicks
Joined: Apr 1999
Posts: 3,264
Likes: 3
From: Toms River NJ
Re: Experiences with Jacobs Ignition? (Cookwithvette)
I have one of their nitrous masterminds in my car right now and it seems to be a pretty nice piece....
cookwithvette....as far as the "boxes" they are basically "Multiple Spark Discharge" Units.....hence the company MSD since they came out with one of the first. A ordinary ignition will send a spark via the wires to the spark plugs and it will spark once. With a "box" it will spark once and whole lot of times more but gradually smaller spark.
I would suggest checking out http://www.msd.com or another manufacturers web site and youll find an in depth explanation.
cookwithvette....as far as the "boxes" they are basically "Multiple Spark Discharge" Units.....hence the company MSD since they came out with one of the first. A ordinary ignition will send a spark via the wires to the spark plugs and it will spark once. With a "box" it will spark once and whole lot of times more but gradually smaller spark.
I would suggest checking out http://www.msd.com or another manufacturers web site and youll find an in depth explanation.
Melting Slicks
Joined: Aug 2001
Posts: 2,043
Likes: 1
From: Elkhorn WI
Re: Experiences with Jacobs Ignition? (74VETTE)
here is the MSD site http://www.msdignition.com/
and here is the history on it... http://www.msdignition.com/1hist.htm
:seeya
and here is the history on it... http://www.msdignition.com/1hist.htm
:seeya
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