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Update on engine running rough on my BN6
Hey,
Well, got the timing light out and with the timing mark and
pointer perfectly aligned and running pretty smooth, the rotor
is pointing to # 6, not # 1. A buddy of mine that was helping
with the timing and whole problem of running rough thought
maybe the guy that rebuilt this engine looked at the BMC
manual and based on one of the diagrams, thought # 1 was
at the rear of the engine, not the front. Basically set up
180 degrees off. He is concerned that if we try to get it
in the right order, we could mess everything up due to the
way the timing chain was probably installed with the 180
off firing order. It is also popping through the rear carb
, not a backfire through the exhaust pipe, but you can actually
see air, fuel mixture, ??, popping through the air cleaner.
It actually runs smooth as choked when started, idling at
2000 rpm, but if you blip the throttle, then you get the
popping noise, air, whatever. I did replace the plug wires with the bumble bee comp wires so those are brand new. I am not an engine guy so any HELP is really appreciated.
Thanks,
Mike
Hey,
Well, got the timing light out and with the timing mark and
pointer perfectly aligned and running pretty smooth, the rotor
is pointing to # 6, not # 1. A buddy of mine that was helping
with the timing and whole problem of running rough thought
maybe the guy that rebuilt this engine looked at the BMC
manual and based on one of the diagrams, thought # 1 was
at the rear of the engine, not the front. Basically set up
180 degrees off. He is concerned that if we try to get it
in the right order, we could mess everything up due to the
way the timing chain was probably installed with the 180
off firing order. It is also popping through the rear carb
, not a backfire through the exhaust pipe, but you can actually
see air, fuel mixture, ??, popping through the air cleaner.
It actually runs smooth as choked when started, idling at
2000 rpm, but if you blip the throttle, then you get the
popping noise, air, whatever. I did replace the plug wires with the bumble bee comp wires so those are brand new. I am not an engine guy so any HELP is really appreciated.
Thanks,
Mike
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