Quote:
Originally Posted by Scott R
Two things here, surging could be a lean condition. But start simple, how is your vacuum advance working? As far as the MSD goes, you're not going to notice much outside of the normal CDI, Bosch did a great job on it. That being said when mine went I replaced it with an MSD, only for cost reasons.
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I'll check the advance. I was thinking along the same lines, if it wasn't the fuel, it may be vacuum.
I had a backfire a while back and blew the pop off right out of it's seal, epoxied it back in and thought I had it. Maybe there's a small crack or hose that's been damaged.