Quote:
Originally Posted by vector1
Holley needs to check their calibrations, I've had 2 carbs with the primary screws 1/2-3/4 turn out, and the secondaries 2+ turns out, and know of someone else who had the same setup. Also, the last carb had the butterflies closed with no t slot showing.
BossHemi429, since you are an advertiser for the ultra hp, can you explain this?
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I've had Ultra HP, QFT and many other new carbs.
Not one has had a "correct setting" for the idle mixture and speed screws out of the box.