Originally Posted by Adobedude
My Pro Systems 950 was dead nuts on going down the track but pig rich at idle, adjusting the idle screws didn't do anything, I sent it Thumpercarb, he only worked on the idle circuit...It's perfect now. 1/8 turn on the idle screws makes a diff now where before NOTHING did.
Not to hijack but what did he do to it? My P S 950 acted the same way.

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