backfireing with cam swap
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Joined: Jan 2002
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From: Monroe,Michigan
backfireing with cam swap
Alright I'm backfiring and not starting it gets really close but doesnt quite make it. So what did I forget about? I have my timing set at 4* and sure that the timing chain is right. Help me out guys this is frustrating as hell
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From: Naples, FL
Car: 1991 Firebird
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Don't know what kinda cam you put in it, but generally cam with more duration like more timing. Either that, or your vavles are too tight when you put them back on.
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From: CC, TX
Car: 1999 Yamaha Banshee
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Originally posted by Tom91Bird
Don't know what kinda cam you put in it, but generally cam with more duration like more timing. Either that, or your vavles are too tight when you put them back on.
Don't know what kinda cam you put in it, but generally cam with more duration like more timing. Either that, or your vavles are too tight when you put them back on.
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From: Randleman,NC,USA
Car: 91 Camaro RS Convertible
Engine: 385ci LT1 cnc ported heads big cam
Transmission: 4L60E automatic
Axle/Gears: 3.42 Zexel posi 7.5" rear
It is generally the 180 degrees off problem. Valves being to tight can cause it too. I have done both.
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