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View Full Version : Sniper Backfiring with new intake.



dobie6982
06-10-2018, 08:30 AM
I have a Holley sniper on a Pontiac 400. I just replaced the performer RPM with a single plane Torker II. It did not backfire with the Preformer RPM but backfires pretty regular with the Torker II. I do have controlling the timing but I don’t think it’s a timing issue, because it wasn’t doing it before. I know it’s a self learning system. Do I need to just drive it and wait for it adjust it’s self? I have about 20 miles on the new intake.

dobie6982
06-10-2018, 01:59 PM
Update: Leaned out the AFR and it quit back firing. Everything seems to have stabilized.