Holley Ultra HP 750
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Joined: Jul 2005
Posts: 1,079
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From: currently Jacksonville NC
Car: 91 z28
Engine: 383 sbc, 88mm turbo a2w IC, CSU 750
Transmission: th-400 PTC 4000 stall
Axle/Gears: ford 9" 3.55 gear
Holley Ultra HP 750
got a quick question. I know that this is a mech. secondary carb pretty much set up for race, anyone run them on the street? and also are they essentially DP's or are they regular 750cfm carbs? i happened to grab a brand new one up for only $450 and they are $1000 new so i jumped on it. Thanks
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iTrader: (3)
Joined: Sep 2006
Posts: 629
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From: Worcester
Car: 1984 Firebird T/A
Engine: 406sbc
Transmission: TH400
Axle/Gears: Moser 9"
Re: Holley Ultra HP 750
I'm pretty sure it is basically a chokeless race version DP carb. Since you can buy a kit to convert a DP carb to a 4150 chokeless hp carb I'm pretty sure thats all it is.
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It's the chokeless high-quality version with replaceable air bleeds. What's really sweet is it has a billet base plate, AND billet metering blocks with replaceable idle & PV restrictors and emulsion jets. Very tunable. Also has bowl sight glass instead of plugs - about time. 4-corner idle, looks like you can do 1:1 linkage if you like.
I think they're trying to keep up with the Proform and Quick Fuel "aftermarket" innovations. Free enterprise at work. Gotta love it.
I think they're trying to keep up with the Proform and Quick Fuel "aftermarket" innovations. Free enterprise at work. Gotta love it.
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