02-19-2019, 03:18 PM
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CC Member/Contributor
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Join Date: May 2014
Location: Medford,
NJ
Cobra Make, Engine: B & B Mfg 302 EFI
Posts: 48
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Not Ranked
Hello Boatbroke,
Have similar occasional back fire through intake on a 302 HO, 303 cam, GT 40 upper & lower intake, 65 mm throttle body, GT 40 heads(GT 40 EFI Option Package). Timing at 12-13 degrees. I've heard the same complaint from others with this set up. It is inherent without better distribution of fuel air mix. Independent runners make all the difference. Nick
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