full manifold or ported
Senior User
Joined: Dec 2005
Posts: 314
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From: North Carolina
Originally Posted by Beemer Nut
The question is why? Why mix good with bad, JMO. I had numerous MSD failures in the past as well others on the forum (ask Greg, GTEX) on how many times he wasted money on replacements. They have a short duration spark that becomes one spark before 3,000 rpm's anyway.
Buy good once.
Buy good once.
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Post Fiend
Joined: Dec 2003
Posts: 6,658
Likes: 4
From: "Islander"
I see Summit has LX3000 for $119 and LX91 coil for $50. I paid $123 total two years ago. Back in 79 I paid $73 for Allison which is now Crane's XR700 system. When you ask Crane what can be crossed over with different brands they choke up and not give answers. Heck the XR700 and XR3000 use the same trigger but they will tell you to order one for your specific system. I have the Allison trigger from 1979 controlling a XR3000 box, trigger is the same.
Senior User
Joined: Dec 2005
Posts: 314
Likes: 0
From: North Carolina
Went over and worked on the motor today. When I tried to crank it, it fired off with the first turn. Was missing baddly and wouldn't idle at all. When I gave it gas it wouldn't do anything but grunt at me. Got a little mad 
as you can guess. Started pulling plugs and found they were black like they hadn't been firing good. After pulling the plugs I thought about checking the points just in case something came loose again. When you let a rookie do points bad things happen. I guess I didn't set the points at full open. At full open they were at like 2 match books thick (or roughly .034). Reset them to full open 1 match book thick. Ding ding, fixed the missing and idling problem. Set the timing to between 8 and 10 initial and then set the carb. Took it out for another test drive and NO SPARK KNOCK!!!! Still need to do some adjustments on the carb, but she ssure is running better. I think I can sleep tonite now. 
as you can guess. Started pulling plugs and found they were black like they hadn't been firing good. After pulling the plugs I thought about checking the points just in case something came loose again. When you let a rookie do points bad things happen. I guess I didn't set the points at full open. At full open they were at like 2 match books thick (or roughly .034). Reset them to full open 1 match book thick. Ding ding, fixed the missing and idling problem. Set the timing to between 8 and 10 initial and then set the carb. Took it out for another test drive and NO SPARK KNOCK!!!! Still need to do some adjustments on the carb, but she ssure is running better. I think I can sleep tonite now.
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