Holley vs. Edelbrock, Tri-Power vs. Dual-Quad!
Dual quads! Three deuces! Eight barrels! Six jugs! The lore of multiple carburetors runs deep in the hot rodding world, and in the muscle car era it was common for the OE manufacturers to up their cars’ performance and image with either two four-barrel carburetors (a dual-quad, or eight-barrel) or three two-barrel carbs (known at GM as a Tri-Power and at Chrysler as a Six Pack). These days, everything old is new again, and both Holley and Edelbrock are offering complete setups to put multiple carburetors on your small-block Chevy (Edelbrock also has kits for many other popular V8s). In this episode of Engine Masters presented by AMSOIL, we will compare the price, the tuneup, and the power of the Holley Tri-Power setup (part number 300-521 with gold dichromate carbs) to the Edelbrock Performer RPM Dual-Quad manifold and carb kit (part number 2025 in a satin finish), all on our Blueprint Engines 383 stroker that makes 476 horsepower with an 850-cfm four-barrel. Can the multi-carb rigs match that power? The Edelbrock dual-quad uses two 500-cfm carbs, and the Holley has 325 cfm in the middle and 350 cfm on each outer carb. The Holley setup is more true to the muscle car days and the Edelbrock is more of a modernized design. We’ll assume you’re gonna pick one over the other based on personal preference, but this video will help ensure you make the right call for your own car.
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19 thoughts on “Holley vs. Edelbrock, Tri-Power vs. Dual-Quad!”
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Big wheels on the back....Smaller ones on the front...very cool...But....Could have come from the #factory in 1955 Pro Auto custom Interior by Steve Holcomb interior....Now under the hood...There are only two of those on the planet.....Over 500 CI...All polished aluminum HEMI!!! #ProAuto #back #SteveHolcomb
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Big wheels on the back....Smaller ones on the front...very cool...But....Could have come from the factory in 1955 Pro Auto custom Interior by Steve Holcomb interior....Now under the hood...There are only two of those on the planet.....Over 500 CI...All polished aluminum HEMI!!!Absolutely stunning! #V8
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Absolutely stunning!Nancy and Bob Dunbar with their #original owner 1969 Pontiac GTO Judge in their Beachfield neighborhood. When Pontiac brought out its first GTO in 1964, it was a special edition of the Tempest, and the initials stood for Grand Tempest Option. Project Manager John DeLorean - of DeLorean auto fame - dictated that the Judge would always be this color orange, which was first patented by #Chevrolet and called #PontiacGTOJudge #CarouselRed #HuggerOrange #BobDunbar #GrandTempestOption #GeneralMotors
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Bill says: at The girl if she could like an 80 year old man. Don’t know what I would I would do with her but it should would be fun finding out.Have to go with the 'Stang. They're still producing hot girls.
Had both on my ‘79 Camaro – much preferred Edelbrock myself..
Holly by far
Holly
Holly
Edelbrock had to much trouble out of holly
Holley
I’d take the eldebrocks based on my experiance with holly carbs over the years.
Holley
Tri power
I’ll take the simple single 4 barrel Holley.
Edelbrock is the only way to go, holley has way to many problems,had in the past and would never own one again
Edelbrock any day
Holley is garbage
So it seems to me to save money the single 4barrel and high rise would be the way to go less money and same HP but if your going for the more hot rod looks the three Deuces could be the other way to go
Holley I recycle edelbrocks or give them away
Edelbrock TriPower Progressive!
Holley carbs are a basket case of problems. Fix one thing on them and two more go haywire
Carter