Nettet17. des. 2024 · Substitute the “Hg rating for the specific valve in the xx of the PN. For example, if you need a 6.5 power valve the PN would be 125-65 or 125-105 for a 10.5 “Hg standard flow valve. High flow power valves use a three-digit number such as 125-165 for a 6.5 “Hg power valve. To order a specific 6-32 bleed, the same technique applies. Nettet1. okt. 2013 · A stock 4781 flows the same amount of air but the booster signal is a dismal 31.9" at 20.45" H2O depression. 20.45" H2O is equivalent to 1.5" hg vacuum, hg is your normal vacuum gauge reading. Better signal atomizes fuel better, stronger metering signal is more consistent at metering the fuel.
Holley 4779-9 Double Pump 750 cfm Carburetor Carb 4-Corner …
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Holley 4779-6 Double Pump 750 cfm Carburetor Carb 4-Corner …
NettetHolley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake … Nettetfor 1 dag siden · JEGS 100824 - Dual Feed Fuel Line (Fuel Log) Kit for Holley 4150 Carburetors [-6 AN] $65.09. JEGS 15010 - Power Valve Block-Off Kit Made in the USA $2.89. JEGS 15012 - 50-Piece Vinyl Vacuum Cap Kit $9.69. Show all items you need Items You May Also Consider. Ratings Price Brand Nettetvintage holley 4781-5 850 cfm double pumper NICE eBay Back to home page Listed in category: eBay Motors Parts & Accessories Car & Truck Parts & Accessories Air & Fuel … road trips around lake michigan