Holley Excelerator Carburetors Carburetors

Holley Excelerator Carburetors Carburetors 

DESCRIPTION

An impressive array of two and four barrel gas and alcohol carburetors is readily available through the Holley Excelerator line. The carburetor line consists primarily of HP carbs which are designed with the latest racing features. HP alcohol carburetors are specially designed with their own dedicated metering blocks, metering jets, main bodies and needle and seat assemblies. Holley Excelerator fuel pumps are available either in high-output mechanical or belt-driven designs and complementing adjustable pressure regulators round out the Excelerator fuel management line.

USER REVIEWS

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[Oct 29, 2005]
charlied
Model Reviewed: 80498 Methanol Holley HP

Strength:

jetted correctly,, looks cool, well built

Weakness:

not advertised cfm, less performance than a older 850 but better than a 750, deceptive advertising. If you buy a carb, find out the base and venturi size before you buy, race carbs are currently sold by fake CFM ratings.

Holley may be misrepresenting their HP carb sizes, a HP 950 is closer to a 830, a HP1000 is about a 870 if measured the same vac as a 47-- series. The industry standard for cfm ratings was 1.5"Hg vac for a 4 barrel. holley decided to follow the deciptive lead of it's competitors and use 28"wc which is 2.06" hg. Holly has all their carbs listed with flow spects. They make no distinction between a HP type and a older 4781 type. Unless you actually flow a carb, with holley's listings, you can't tell what flow it may be since the listed flows of the 4 barrels are not made with the same test standard. Their all listed together by flow ratings. I'm just for the truth in advertising, if holley actually told the test vac for carbs it would be better, Esp if they use different test spects for different 4 brl carbs. It looks like Holley uses a 1.5"HG vacuum standard for the 47_ _ series carbs and for the HP series they use 2.06"hg vacuum test standard. The result is a false comparison between the two carbs. I got tricked and many others will be also. Spread the word about this . The HP950 has a 1 3/4 base plate and a 1 3/8 venturi. A older 850 has a 1 3/4 base with a 1 9/16 venturi A HP830 has a 1 11/16 base and a 1 9/16 venturi

Similar Products Used:

Barry grant 9645s 750 alcohol carb.

OVERALL
RATING
2
VALUE
RATING
2
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