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Whats the difference between a holley Dominator and an HP? #1827959 05/16/15 06:40 PM 05/16/15 06:40 PM
Joined: Jun 2013 Posts: 1,521 Tacoma, Washington USA A Adam71Charger OP pro stock
Adam71Charger OP pro stock A Joined: Jun 2013 Posts: 1,521 Tacoma, Washington USA	New to Holleys. There are so many.. after some research most interested in the dominators, the HP's, and Ultra XP's. Whats the main differences between them?

Re: Whats the difference between a holley Dominator and an HP? [Re: Adam71Charger] #1828476 05/17/15 01:42 PM 05/17/15 01:42 PM
Joined: Mar 2005 Posts: 1,373 Rancho Cucamonga, CA D_C pro stock
D_C pro stock Joined: Mar 2005 Posts: 1,373 Rancho Cucamonga, CA	The Ultra series is an Aluminum Body carburetor, around 4 1/2 pounds lighter than a comparable standard construction type Holley. Here is a review article about the Ultra: http://www.dragzine.com/news/new-products/tech-review-holleys-new-ultra-series-carburetors/ Here is "The Ultimate Guide to Holley Carburetors" by Hotrod Magazine: http://www.hotrod.com/how-to/engine/ccrp-0807-holley-carburetors-basics-guide/ The Dominator series was Originally designed for NASCAR but has been used everywhere.

Re: Whats the difference between a holley Dominator and an HP? [Re: Adam71Charger] #1828518 05/17/15 02:34 PM 05/17/15 02:34 PM
Joined: Jun 2013 Posts: 1,521 Tacoma, Washington USA A Adam71Charger OP pro stock
Adam71Charger OP pro stock A Joined: Jun 2013 Posts: 1,521 Tacoma, Washington USA	thanks for the links. Lots of homework to do

Re: Whats the difference between a holley Dominator and an HP? [Re: Adam71Charger] #1829419 05/18/15 07:01 PM 05/18/15 07:01 PM
Joined: Mar 2005 Posts: 1,373 Rancho Cucamonga, CA D_C pro stock
D_C pro stock Joined: Mar 2005 Posts: 1,373 Rancho Cucamonga, CA	Concerning the HP and Ultra, from that Hotrod article: Quote: HP series with a new contoured venturi main body equipped with screw-in air-bleeds, stainless steel throttle blades with buttonhead screws, strengthened metering blocks, and Dominator-style fuel bowls. Following the HP, Holley produced the HP Ultra version, which upgraded to black-anodized billet metering blocks with screw-in idle feed and emulsion jets and a billet baseplate. The HP Ultra is an expensive carburetor, so Holley introduced a much more affordable Street HP 750 in the bright finish in either vacuum-secondary (PN 0-82750) or double-pumper (PN 0-82751) configurations. These carbs offer screw-in air-bleeds and a street/strip calibration that is leaner than the HP and Ultra. Read more: http://www.hotrod.com/how-to/engine/ccrp-0807-holley-carburetors-basics-guide/#ixzz3aWg5Z3mh Follow us: @HotRodMagazine on Twitter \| HotRodMag on Facebook

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