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edelbrock vs. holley

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Old Jan 15, 2004 | 09:16 AM
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From: Weyauwega, WI
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edelbrock vs. holley

i need some opinions. i have talked to a lot of ppl and i still cant get a good answer. i want either an edelbrock 750 or a holley 750. now the problem is everyone has their opinions on them. i have heard that holleys better than edelbrock because edelbrock is just meant for off road trucks. i have heard that edelbrock is better than holley because the ports and jets on holleys are so small that they get clogged up easily. i have heard that u have to tune holleys almost everytime u drive. i heard that edelbrocks ports and jets blow out easliy. yeah so idk
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Old Jan 15, 2004 | 12:25 PM
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From: nova scotia,canada
Car: 87 irocz
Engine: 406
Transmission: th400
Axle/Gears: 4.10
i like them both.i run a 750 demon similar to a holley,i ripped a bowl gasket once and needed a carb for the drags the next day,so i bolted up an old edelbrock 600 that i got for free it ran the exact mph as the demon.i dont think edelbrocks are just for trucks ,all jets get cloged if you run a crappy filter,and yes there is more tuning to a holley.
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Old Jan 15, 2004 | 01:14 PM
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From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
i like them both too.
they're jsut diffrent designs.

they holley is more performance orented.... it can be a lil more touchy, but its not that bad at all.. you can set it and forget it for awhile, but thats not "ideal"... like most hot rodder stuff, people like to tinker with the carb... thats how most people have the opinion that they NEED it.... sure you jet a lil richer on a cool night and make a lil more power at the track.... but that didnt mean you HAD to do it..


on the street, the edelbrock gets better gas miliage, and has no powervalves to break or anything.. its a more robust design... (its a carter carb clone) but like any carb, its not ideal..


it usually comes down to personal pref... athough just because of the gas milage thing, if its mainly a street car, id choose the carter clone(edelbrock).
if its a strip car or a toy, holley is a better choice..
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Old Jan 15, 2004 | 03:28 PM
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From: Weyauwega, WI
Car: 86 Camaro
Engine: none
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Axle/Gears: GT4, 3:73s
k then i think the edelbrock fits me best. 600? 700? 750?
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Old Jan 15, 2004 | 03:58 PM
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From: winthrop harbor, il & plymouth, il
Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
what is the motor that you are putting this on? is it a truck? need more info rather than just getting a carb cuz we say so.
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Old Jan 15, 2004 | 07:12 PM
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From: Weyauwega, WI
Car: 86 Camaro
Engine: none
Transmission: none
Axle/Gears: GT4, 3:73s
its a chevy 350 and of course its goin into an 85 camaro.
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Old Jan 15, 2004 | 08:48 PM
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From: winthrop harbor, il & plymouth, il
Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
anything special about this 350 or is it bone stock? cam? heads? exhaust?????
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Old Jan 16, 2004 | 07:16 AM
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It's a matter of personal preference.

I prefer the Holley to the Carter, but that's just me. Some people find the Carters easier to work on and tune. I don't. And I don't care for the Stone Age weight-controlled secondary air valve.

The Holley, especially a manual secondary one, will win the race over the Flintstone design, pretty much every time. But there's more to life sometimes than just that. Alot of people get good results out of the Carter carbs too.
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Old Jan 16, 2004 | 09:32 AM
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From: Weyauwega, WI
Car: 86 Camaro
Engine: none
Transmission: none
Axle/Gears: GT4, 3:73s
its got exhaust intake and some little high perforamnce parts but otherwise i didnt put a cam in it and the heads are stock
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Old Jan 17, 2004 | 10:30 AM
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From: Fairview Heights Illinois
Car: 1986 Irocz
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.25:1
I think you'd be happy with the #1406 Edelbrock 600.
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Old Jan 17, 2004 | 11:59 AM
  #11  
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From: nova scotia,canada
Car: 87 irocz
Engine: 406
Transmission: th400
Axle/Gears: 4.10
thats what i have the 1406 600cfm. if that will run my 406 it should work good on yours.
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Old Jan 17, 2004 | 07:10 PM
  #12  
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Car: 88 IROC-Z
Engine: 383 Stroker
Transmission: TH350
Edelbrock baby!

:hail: IROC-Z
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Old Jan 17, 2004 | 09:12 PM
  #13  
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From: Bloomingdale,IL
Car: 91 RS
Engine: 305 Tbi (L03)
Transmission: 700r4
The carb you choose is gonna depend on how you want to tune your carb. They all have the same applications. They go on top of the engine. For a first carb i recomend the holly street avenger. Its pretty easy to tune and comes out of the box with jets, accelerator pump, and power valve that should be pretty close to what you need as long as you dont go bigger than a 600.
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Old Jan 18, 2004 | 12:48 AM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally posted by masseyiroc
i run a 750 demon similar to a holley,i ripped a bowl gasket once and needed a carb for the drags the next day,so i bolted up an old edelbrock 600 that i got for free it ran the exact mph as the demon.
And the ET????

I've got a DP Holley that runs about .5 mph slower than the VS Holley did (VS being very similar to the Edelbrock in secondary operation). But, the DP is a good .2 sec quicker than the VS.

The carb that will work best is based on the entire "package", and what you plan to do with it. For a stock head & cam 350 driven on the street, the Edelbrock will probably be fine. Personally, I'll not go back to any demand-based secondary type carb like Edelbrock, Carter, q-jet, or vacuum secondary ever again (although I'll keep the CC q-jet on the Camaro).
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Old Jan 18, 2004 | 01:38 AM
  #15  
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From: Ontario, Canada
Car: 1988 Firebird S/E
Engine: 406Ci Vortec SBC
Transmission: TH-350/3500stall
Axle/Gears: 7.5" Auburn 4.10 Posi-Traction
I also have both carbs. Truth is,,, they are both great carbs. If you are going to go out and by a carb for a 350 , get a 750cfm. (that way you'll only have to buy one carb) My performance is very ,very close with both carbs. Its a real toss up. I've had my holley V secondary for some 25years. Had the Edelbrock for a few years now.
I also like Q- jets....

Holleys have a bit of an issue with power valves, Edelbrocks can suffer from fuel perculation. Both issues can be dealt with once you under stand what is going on.

From your post, most of "what you've heard" is bs.

Mostly opinion from people that don't understand carbs or basic tuning. Both carbs will work for you.

Either way, get a good fuel filter and most of your problems will be minor.
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Old Jan 18, 2004 | 10:40 AM
  #16  
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From: Weyauwega, WI
Car: 86 Camaro
Engine: none
Transmission: none
Axle/Gears: GT4, 3:73s
ill probabaly go with the edelbrock 750. i am not the greatest tuner so i will try to avoid that. the only thing ive tuned was a carb on an ATV and a minibike that i made
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Old Jan 18, 2004 | 12:14 PM
  #17  
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All things being equal, on a mild small block a holley VS will produce about 20 hp. more than the edelbrock. A DP is typically good for another 10 over that.....dyno tested and proven. Some people like Edelcraps anyway......just don;t ask me why.
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Old Jan 18, 2004 | 06:54 PM
  #18  
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Car: 1985 Iroc-z
Engine: 355 sbc
Transmission: 700r4
i've had no problem with my holley 650 ceot that i blown a PV out

i'd suggest holley over edelbrock any day of the week, drunk sober high low left right, u name it, holley is the route to take.
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Old Jan 18, 2004 | 09:55 PM
  #19  
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From: Weyauwega, WI
Car: 86 Camaro
Engine: none
Transmission: none
Axle/Gears: GT4, 3:73s
6 hours to late lol... jsut picked up my edelbrock 750 performer
hopefully ill be happy
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Old Jan 19, 2004 | 01:10 PM
  #20  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Only way to know is to find out the return policy where you bought it.
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Old Jan 19, 2004 | 04:21 PM
  #21  
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From: Ohio
Car: 1985 Iroc-z
Engine: 355 sbc
Transmission: 700r4
Originally posted by five7kid
Only way to know is to find out the return policy where you bought it.
five7, i think this one time i will agree with you 100% and u will agree with me 100%

get a holly man
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Old Jan 19, 2004 | 04:36 PM
  #22  
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From: nova scotia,canada
Car: 87 irocz
Engine: 406
Transmission: th400
Axle/Gears: 4.10
And the ET????
the best for the demon at the time was a 12.75. the edelbrock was a 13.009 with a head wind.i only used it the one day and i know it would have went 12.9s with more time,although there is a noticable difference in throttle response with the demon .
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Old Jan 24, 2004 | 10:58 AM
  #23  
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I am very happy with my Edelbrock 750cfm! I had to get it set up when I first bought it, but have not touched it since! I have had it for a couple of years now. Great carb for the street!
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Old Jan 28, 2004 | 12:05 AM
  #24  
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From: Gurnee, IL
Car: '86 IROC
Engine: 305 LG4 awaiting the crate Vortec 350
Transmission: 700R4
So whats the deal with the VS versus the DP? I'm going to be running a 355 with about 9.35:1 CR, vortec heads, XE268H, and performer rpm intake. this car will be my daily driver for the summer. what would you suggest in terms of carbs? I was leaning towards the 670 street avenger. (it has VS with electric choke, and advertises it's easy to tune) i heard somewhere that the mech. secondaries work better for strip or manual cars. is this true? thanks for any help
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Old Jan 28, 2004 | 09:09 AM
  #25  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It's true. The only "issue" with a DP is the minimum RPMs at which you go wide-open-throttle. The Holley website has a chart for that. Basically, you want sufficient stall speed with a DP to avoid bog when you floor it. If your stall speed is adequate for your cam powerband, you aren't going to have a problem.

I bought into the "VS for auto tranny" line for far too long. I went from q-jet to Holley on the 396 late in the 2001 season. I was scared stiff of DP because of a late-70's experience with one on a tweaky 302 with single plane manifold and a stock stall Powerglide behind it - absolutely no power below 2500 RPMs, and the converter stalled at 1200. I always wanted to get a higher stall, but I was a poor serviceman at the time, and a converter ran $250 - a bunch of money in the Carter inflation years (for reference, back then I picked up a new 780 CFM VS 3310 for $100 - ran much better with it). So, I mis-spent $350 on a Holley VS 750 just before 9-11.

I finally listened to people on this board last summer - the results are as I stated above.

The Street Avenger is little more than an overpriced VS carb. You can retrofit a "regular" VS carb with the "goodies" they give you with the SA for about $40 less - except the SA will have one more vacuum port (as if you need that). In fact, buy a "regular" VS carb, get the 4150 conversion kit, jet assortment kit, see-through bowl plugs, Quick Fuel adjustable secondary housing, and you'll have a much better carb for less money than the SA.

A DP is still better, though.
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