Quadrajet vs holley. Jun 4, 2022 · Which is better? The Quadra

Quadrajet vs holley. Jun 4, 2022 · Which is better? The Quadrajet vs. my question is which would be preferred for a (at the moment) stock 69 impala 4bbl 350. May 7, 2019 · We dyno test spread-bore fueling on a 1968 Olds 4-4-2 with a rebuilt Rochester Quadra-Jet versus a Holley Sniper EFI. The car doesn't idle well at all, so I'm taking it in to get the carb tuned up. As a matter of fact, the rear of the carb is EXACTLY the same as any other VS Holley. The obvious choices (for me, at least) are Holley vs. Yes they sit atop famous engines such as the L-88, LT-1 (first generation), and so on. i got the holley over 5years ago so im positive it needs rebuild but looks very clean and the quadrajet has been rebuilt with a stock kit, but it sat uncovered over 2 years and was seized Mar 16, 2004 · Holley vs Quadrajet, Every vette owner has their perference. Events The QuadraJet is a direct bolt-on and it did work fine Apr 21, 2007 · Also, I'll take a Q-Jet any day over a vacuum Holley. with the 670 you will see better fuel economy at the cost of some hp. Rochester Quadrajet, so I have a few basic questions. Each carb was driven for a week. How "buildable" are Q-jets? Feb 4, 2021 · Re: Dyno test results - Holley vs Thermoquad vs Quadrajet Post by novadude » Thu Feb 04, 2021 9:27 pm My take-away is that it really doesn't matter what carb you use if if flows adequate CFM and the tune is right. The #4778 700 DP is a good choice for a 402 Apr 17, 2010 · holley 670 or 770 cfm street avenger depending on gas milage VS max hp. Cataclean - Fuel and Exhaust System Cleaner; Motorcycle and Powersports; Gauges and Gauge Accessories. The mechanic asked if I had the original Quadrajet because he said that it is a far superior carb. Jan 28, 2021 · Anyway, tested 3 different carburetors; A 950 Holley Ultra HP 0-80805, an Everyday Performance prepped Stage 2 800 cfm Qjet and a "950" Thermoquad, modified by Steve Stills and final tuned by me. This article will help you decide which is the best car EFI system for your vehicle and what to look out for when you are buying one. I could not keep plugs in it so I switched to a holley 600cfm and it ran perfect. Jun 11, 2011 · Re: Webber VS Quadrajet VS Holley VS Eldlebrock This is an ancient argument, google holley vs quadrajet for real world, modern day dyno numbers. Those that have struggled with Q-jets never spent the time to learn how to tune them (pretty easy, but you need to know the different systems). The Tquad is called "950" (by me) for lack of any better label. While the Q-jet sat atop "base" and the "smog vettes" of the mid to latter part of the 70's-early 80's. The Quadrajet was introduced in the 1970s, and it was a popular choice for enthusiasts. A Holley is easy to take a part and change jets. Just looking for opinions regarding a Holley 650 spreadbore vs a Quadrajet. Is this correct, or is the Holley the way to go? I Mar 21, 2005 · I'm looking for a good carb for my new engine which should be here shortly (330 hp 350). ) what are the functional differences? For some context: I'm looking at replacing a very tired QuadraJet with a Sniper of some sort, is there any sort of advantage going with the Sniper QuadraJet instead of the 550-511K with an adapter plate? Sep 20, 2002 · Decided to run a fuel economy shoot-out between a Holley 6619 (600 cfm), two 750 cfm Quadrajets (7029207, 7043250), and a 800 cfm Quadrajet (7045263). . The Holley Nov 5, 2009 · A Holley is stoooopid simple. It has been used in various cars, such as the Chevrolet Camaro, Ford Mustang, Dodge Challenger, and many more. It'll respond far better than a Holley VS ever will. Now with this chevelle 396/325 it has a quadrajet 750 cfm. holley 4160 or stock quadrajet. I am not missing the point at all. Am I going to have the same problem. Q-Jets flow 750 which will support 450 HP and as noted above, will provide better mileage vs. May 19, 2010 · thanks for looking at my question. You might be surprised. Nov 17, 2012 · Quadrajet vs Holley 650 I took my rochester q jet in to be rebuilt last week. the Holley Dyno. secondaries. Features. May 13, 2006 · "The big difference between a four-barrel Holley, which everybody is familiar with, and a Quadrajet is the Holley has a square bore, meaning all the throttle bores and venturis are the same size Mar 9, 2012 · the last chevelle I had with a 396/325 had a holley 750cfm double pumper with mech. Changed the oil, changed the air filter, and started the test. If you do go with a Holley, F the vac secondaries, get a Double pumper. Categories / Gauges and Gauge Accessories Aside from the obvious (square-bore vs spread-bore, built-in pressure regulator has vs external, etc. Nov 10, 2012 · I really like to spreadbore configuration because you can cruise on the quarter-sized primaries, but nail the pedal and kick in the monster 2 1/4" secondaries with that cool-sounding "whuahhhhhhhh". If your Holley is new, with all matching parts, you really should try it out. Same intake, spark setting, course, same time Nov 23, 2007 · Aside from the idle circuit and float system, the SBH is pretty much the same carb as any generic 600 aside from teh 1850. Aug 26, 2004 · C3 Tech/Performance - Holley vs Quadrajet? - I have a Holley 4165 on my 1972 Vette, 350. a comparable Holley. What was pertinent 40 years ago is not pertinent today. The mechanic called and said that the main fuel inlet threads were stripped so it probably wasnt worth rebuilding. the 770 will yield a lil more hp but will sacrifice fuel milage. I'm leaning toward the Q-jet, since everything I've seen says that the Q-jet a better for daily drivers while the Holley is better for racing (I'm sure I'm oversimplifying that a Aug 11, 2015 · I own both holley and quick fuel brand carbs and if your going to get a new holley style carb I recommend the quick fuel as you can adjust and tune everything on them and for the same price compared to a holley brand equivalent it would cost quite a bit more just to make a holley brand carb adjustable like the quick fuel. One group says holley carbs are better carbs. dnylz envuaya klzqu xwej cvdv tfkwkp ufbte pkikm usqos frcj