Sarge81 said:...Plus not having to do periodic adjustments or deal with the effects that E10/E15 fuels can have on carbs.
From what I unnerstand, the QF stuff is built with ethanol resistant parts to begin with. At least that's what I remember.
I couldn't say if the difference between the Holley and a QF carbs would be worth the money, but....I've never been a fan of using a Holley for a street car to start with. They're really nothing more than a glorified controlled leak. The QF carb is basically a modified Holley, but, depending on the particular carb, and the associated mods, it might be better.
I know quite a few racers that use them, and they seem to think they ARE better, as far as adjustments at the track, and the related improvements in ETs.
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