Nettet9. mar. 2012 · 780 Holley on my 355, having a bad lean condition going from idle to cruise and light throttle. This carb ran fine on several other engines, had a slight tip stumble … Nettet27. jul. 2015 · Holley classifies both mechanical and vacuum secondary carburetors into two generic families: 4160 and 4150 versions. The 4150 is by far the most popular and most desirable and can be identified by its thick metering blocks used in both the primary and secondary sides of the carburetor.
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NettetThe 3310 below is my spare carb. At the time my 780 cfm did not require a rebuild, so I just used my spare to take apart and snap shots. The principle is the same except there is no rear metering block on a 3310-2 750 cfm Holley. I will add 780 pics when I need to tear down my 780 for problem resolutions. 4555 . 3310-2 NettetEncouragement, Interaction, Connection, & Worship! Join Us!My Family Joins Me Tonight! evenflo right fit booster
Holley 780 460 Ford Forum
Nettet780: Choke: Electric: Circuit: 2: Condition: New: Emission Code: 3: Finish: Black: Fuel: Gasoline: Fuel System: Carbureted: High Speed Air Bleed: 33: Idle Air Bleed Size: 70: … Nettet12. apr. 2006 · My Holley 780 vac sec has the holes. But my Dominator (plus an 850 DP I borrowed) didn't need the holes. I have seen combos that even with adjusting BOTH the front & back butterflies to let in more air to help the idle, it still needed the holes drilled to keep from uncovering too much of the idle circut slots. tmarbury 269 Apr 13, 2006 #7 Hi Nettet16. nov. 2024 · They also made a healthy 450 lb-ft of torque, which made for total increases of 35-40 horsepower and 10 lb-ft over the 428s. While the engine was widely praised in car magazines for its performance, its large weight (720 lbs) was often chastised. It’s not very well known, but Ford also branded another Cobra Jet from 1971 … first ever hess truck