timing??
> Stock 948 with good rings, stock rebuilt H-1 1 1/8" SU's. I've adjusted
> the
> carbs per the workshop manual, used Colortune, and even Frank's trick of a
> standard 2 1/2 turns down (15 flats) on the jet adjusting nuts several
> times
> over the past couple of years and they all point to running a lot leaner
> than
> where the engine runs best. The engine starts, runs, and accelerates best
> at
> 25 flats down (over 4 turns) on both carbs. Right now it seems to
> accelerate
> best when the front carb is even at 30 flats (5 turns) down. I've tried
> rich
> needles but it runs for crap with these. Spark plugs are always black and
> sooty. Why does it like rich?
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