Car is back firing after header install
09-08-2006, 08:31 AM
#23
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My friend had the same problem a few weeks ago when he installed his headers. We couldn't figure out what was wrong then decided to pull the plugs and sure as **** 2 of the plugs were toast.
09-08-2006, 11:23 AM
#24
Originally Posted by Fire-formula 93
Mine was backfiring after header install also. Definitely check the plug wires. I have MSD wires and they are very difficult to snap on and even then it is not a very assuring "snap on". I say pull each plug wire and reinstall them paying very close attention that they are being fully connected. I could have sworn mine were, and they were not. On my wires, I learned that even though I was pushing as hard as I could and were as far as they could go, a couple still were not connected properly. I also had this problem with the coil pack connections too.
Did you install the plugs before or after the headers were in? If you installed them before the headers, you may have hit a plug and cracked the porcelain also. I installed my plugs after the headers were in to avoid this.
Did you install the plugs before or after the headers were in? If you installed them before the headers, you may have hit a plug and cracked the porcelain also. I installed my plugs after the headers were in to avoid this.
this would be my guess..
09-09-2006, 07:07 AM
#25
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Not to hijack, but I'm doing a header/spark plug swap next week on a '98 Z with minimal mods. Putting in NGK TR55s. What should I gap the plugs @?
Thanks, Jim
Thanks, Jim
