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Old 10-18-2010, 05:12 PM
Barry_R Barry_R is offline
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I have some pretty good contacts at Quick Fuel. They have a carb that is referenced as an "850" that is notably better than the old Holley 850 DP, which is something of a turd. The Holley has a virtually straight venturi section, while the QFT has a better waist shape for improved signal. Obviously, a smaller waist should have an impact on flow numbers - but none of them flow what is claimed anymore. That ship sailed ten years ago....

The Holley 900HP is essentially a 750 with an 850 baseplate and an improved center section - what was once a very popular modification and is a very nice running carburetor for street and track use on moderate sized engines. The 1000HP is 850 based, and the HP center section is better than the old DP, but not as good as the QFT.

Of course I prefer Dominators on my bigger engines - but you rarely seem to find those on Cobra or road race style applications.
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