as the title says. gsl-se that is the recent recipient of a beautiful full rb exhaust and complimentary block off plates now enjoys random backfires. usually within 30sec-1+min coasting in gear. rarely when just letting off the gas. sometimes it booms, sometimes it doesn't backfire at all. i don't think its really rpm related. not that i can tell.

 

happens to me to with my 88 13b in my 84 gsl-se with blockoff plates. i'm soon to get RB header in the next week with a straight back on it. i thought my problem was related to my cloged cat

 

You sure it's sealed up good? No leaks?

 

yeah, check to make sure it's sealed.
the header makes it runs a little richers, right? maybe try advancing the timing a little?
*shrugs shoulders*

 

i was thinking leaks too. the place she took it to are incompitent. they never make it on any promise. hell, they couldn't even get the airpump off. me and mr 32oz mallet had to do it.guess i'll have to jack this bitch up and start poking around. still seems to random for an air leak. also you would think it would pop some idling.

 

i wouldent worry about it too much, its fairly regular on fb's as far as i know. hell your prolly even getting those "cool flames" :]