Thread: '78 911SC: Low Idle "Bounce" & Backfiring has "magically" cleared (?)
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Travis Neff Travis Neff is offline
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Join Date: Aug 2006
Location: Mesa, AZ
Posts: 265
You need a pop off valve, and maybe a new airbox (check it for cracks, your backfire probably cracked it)
Old 05-30-2013, 04:57 PM
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