>Upon further inspection, I found that neither 1 or 2 cyl. weren't firing.
>I checked spark, and it seemed ok, so I suspected the SU's. I cleaned
>them, checked the float bowl, cleaned out the chamber, and checked piston
>movement, all ok. But, when the air cleaner is off, if I cover the
>intake, I get nearly no suction at all, even at high rpms, in comparison
>with the other carb. The needle seems fine.
Ah, now the weird tapping noises make sense. Pull your valve cover off and
determine if you've got two bent push rods, two rockers way out of adjustment,
two
dropped pushrod, etc. I'd place money your problem is in your valvetrain on
the
top of your engines head.
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