pop / backfire AMC 360 - JeepForum.com
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post #1 of 1 Old 09-26-2011, 06:54 PM Thread Starter
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1977 CJ5 
Join Date: Mar 2011
Location: Shawsville
Posts: 338
pop / backfire AMC 360

I have a mid 70's 360 that the previous owner swaped in my CJ5. I just finished by total rebuild of the running gear and body. I am running fenderwell headers and side pipes. The problem is that I have a backfiring / poping on the drivers side. Pops ever few seconds but only on the divers side. It did pop on both sides but found that the timing was way off. I adjusted timing and adjusted carb (elderb.600 cfm) and now only on the drivers side. I pulled each of the plugs on the drivers side and see no difference in them. Also pulled the passenger side and also the same. I have tried richening up the carb but does not help. I have checked each plug wire at the plug and at the distr. I have also checked inside the cap and rotor. I am sort of at a lose. Any suggestions would be a great help.

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