Edelbrock vs Holley? |
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mlachance112785
Senior Member Joined: 31-May-2012 Location: Dighton, MA Status: Offline Points: 343 |
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Posted: 14-March-2013 at 11:31AM |
Just curious as to what everyone has to say about either or both in regards to carbs.
I'm currently running an Eddy Thunder 800, and the tuning aspect is driving me nuts! I still have alot to learn, but I know most of you have dealt with them way more than I have. Is one better than the other, etc.. Thanks! |
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77 Cougar XR7 460/C6
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GranTorinoSport
Admin Group Admin of "The Org" Joined: 20-May-2003 Location: Seattle Status: Offline Points: 2287 |
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Generally I think standard wisdom will indicate Edelbrock's are good for street use and Holley's are good for performance.
With that being said, my solution to tuning my 600 Edelbrock has been to buy a sh&*$load of rods and jets and just keep massaging it until it gets right. That can be very subjective. In the case of my pickup, it is never right, but that's not the fault of the carb - the 360 engine is a damn road dog and I hate it. But that's a whole other discussion! |
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Scott Eklund
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Blueoval76
Senior Member Member of the Stroker Club Joined: 20-February-2010 Location: Sussex WI Status: Offline Points: 698 |
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Depends on what you are working with to start but I only use Holley or Quick Fuel for my carbs. I loved the Quick Fuel I had on my 347 stroker.
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68 Galaxie Wagon 390/auto/2.70
03 Bonneville some mods |
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mcford
Senior Member Joined: 31-May-2003 Location: Utica, Michigan Status: Offline Points: 2160 |
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holley or quick fuel. QFT makes a real bad ass carb right out of the box.
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Mike
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Robbdtme
Senior Member Joined: 06-June-2012 Location: Central WI Status: Offline Points: 765 |
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Throttle shafts wear out on Edelbrock.
Holly can be fun to tune. Been using Barry Grant carbs the last few years, Things are sweet!!! |
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Johnny cash Special 74-75-76 freak. 77 XR7. 78 LTD II sport looks pretty but poop 302 in it.
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mlachance112785
Senior Member Joined: 31-May-2012 Location: Dighton, MA Status: Offline Points: 343 |
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The motor is very mild. 460 .030 over, mild cam, Performer intake, Recurved Duraspark. I traded Psquare the 600 (worked perfectly fine) that was on the previous 460 for the Thunder 800. Bought the rebuild kit for it, put back the correct rods/jets for that carb if it were NIB. I have a Wideband hooked up, and with the original rods/jets in, it goes way lean (17+) on GENTLE acceleration, and 14-16 during cruise. Basically, haven't been able to comfortably drive the car. I have 2 rod/jet kits, and have tried 4-5 different combinations. It's a bit better, but is tuning a carb normally this much of a PITA, or because I'm new to this whole thing.
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77 Cougar XR7 460/C6
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Regul8r
Admin Group Moderator Joined: 26-December-2007 Location: Sarasota FL Status: Offline Points: 6624 |
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I love a Holley!
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Carl Corey (Moderator/Event Coordinator) Contact ANYTIME!
1976 Ford Elite "Lola Mae" 97 Suzuki Intruder 1400 US Army Retired |
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unlovedford
Senior Member Joined: 17-December-2010 Location: Tennessee Status: Offline Points: 10142 |
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Holleys are ok, but earlier ones have a tendency to warp the baseplate.
Motorcraft carbs are just junk. Sorry, guys. I have a Demon carb on my 4 speed. My first, and not too impressed at the response and adjustability. Could just be a bad one. Carter Thermoquad. Love the sound and response, hate the mileage and adjustability. Had decent luck with Edelbrock, but not great luck. Unfortunately, I have had the best luck out of a Quadra Jet. Have run them for years, and the CFM rating can go up to 800 depending on application. Great adjustability, plentiful, relatively inexpensive, and sounds like it can suck a pigeon out of the sky when you stomp the pedal. Run them on Fords, GM's and Mopars - all with good luck. |
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Joe
1972 Mom's Squire Wagon 1972 Torino Wagon 1976 Torino 1968 Cougar XR7-First batch 1972 Torino 460 1989 BroncoII/Jeeps/Titanimous Popeye and Brutus (Rams) |
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Blueoval76
Senior Member Member of the Stroker Club Joined: 20-February-2010 Location: Sussex WI Status: Offline Points: 698 |
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I would suggest a Quick Fuel 750 for it since its a 460. Out of the box they are great as I didn't even do any adjusting on mine on my 347. Yes it was a radical build but you have over 100 more cubes than I did. I bought my QFT 750 on Ebay from a pawn shop that was brand new in the box and got it for $375.
I would say one like this one... Edited by Blueoval76 - 15-March-2013 at 1:42AM |
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68 Galaxie Wagon 390/auto/2.70
03 Bonneville some mods |
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GranTorinoSport
Admin Group Admin of "The Org" Joined: 20-May-2003 Location: Seattle Status: Offline Points: 2287 |
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X2. Joe you are exactly right. I had my grandfather's old 79 DeVille, and I had to rebuild the carb on it one time. I was rather apathetic about it, but proceeded to buy a book about Quadrajets and read the whole thing. I was a big Q-Jet fan after that. I'd put one on the Torino if it were something I could do reasonably quickly. I had always envisioned massive linkage mods and baseplate mods... Maybe I am wrong on that. I would like to see other's experiences with Q-Jets. |
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Scott Eklund
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unlovedford
Senior Member Joined: 17-December-2010 Location: Tennessee Status: Offline Points: 10142 |
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Scott, my '68 F100 had one on it until I sold the drivetrain recently. You can use an adapter or an aluminum intake (I've done both). Linkage for the accelerator popped right on the carb with a ford nipple, kickdown did the same. I love the fact that you get the small primaries for good mileage and those honkin' secondaries when you want to go. Again, they make a sound that will split your face open from grinning.
"DOO-WHAAAAAAAAAAA" |
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Joe
1972 Mom's Squire Wagon 1972 Torino Wagon 1976 Torino 1968 Cougar XR7-First batch 1972 Torino 460 1989 BroncoII/Jeeps/Titanimous Popeye and Brutus (Rams) |
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Robbdtme
Senior Member Joined: 06-June-2012 Location: Central WI Status: Offline Points: 765 |
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Only Quadrajet I had was on my jetboat great carb. At one point I put a 650 Holley on the boat thinking I could get more out of it. Ran good with the holley but performance was exactly the same as the Quad, But it used almost twice as much fuel. Put the Quad back on that one.( 403 Olds Motor ).
Sorry you had poor luck with your Barry Grant carb Joe. All aftermarket carbs though do need some setting up for your application. Main thing is run a good Carb simulation software program first. You would be surprised how many carbs are overkill. My 434M stroker Needs to be at 5700 rpm to use 625cfm Of carb. Also had to change the secondary opening point, In my case Vacuum sec so a lighter spring was in order. Prior secondaries would not open until over 5500rpm. Quadrajet secondaries do not need much to open up other than some foot in the pedal... |
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Johnny cash Special 74-75-76 freak. 77 XR7. 78 LTD II sport looks pretty but poop 302 in it.
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foote500
Senior Member Joined: 13-June-2011 Location: Winchester, VA Status: Offline Points: 1267 |
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I like Strombergs and Zeniths.
Edited by foote500 - 15-March-2013 at 5:19AM |
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Marc
German Shepherd Rescue 1967 Ford Fairlane 500, 390 |
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Dan the ranchero man
Senior Member Joined: 24-July-2011 Location: Mchenry,IL Status: Offline Points: 1174 |
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I am running a carter AFB 650 on my 74 ranchero 460. It was good to go right out of the box. Set the idle mix screws and the idle and done! Have not touched it in years. On the 79's 460 I am running the holley 600 CFM factory replacment carb and that too has been pretty trouble free. Set the floats/idle mix/idle and choke done. Both engines are not anything real radical. the 74's engine has a .494 lift with a 272 duration and headers with 9 to 1 compression. the 79's is basicly stock with a 429 CJ cam and 9 to 1 compression (stock exhaust manifolds). Both cars display great drivablity.
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mlachance112785
Senior Member Joined: 31-May-2012 Location: Dighton, MA Status: Offline Points: 343 |
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Think I may have made some progress today. Once made some more changes. Last jet/rod/spring/accelerator pump (pretty much everything) made the biggest difference. Car still runs kinda crappy coldish, but once up to normal operating temp, it runs great.
I have a Holley 600 I picked up in a bin of parts I was going to rebuild and flip on eBay that I'm going to try. Hopefully that will run better than this Eddy 800. I'll sell the 800, run the Holley, and save my pennies to get something else down the road. |
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77 Cougar XR7 460/C6
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Robbdtme
Senior Member Joined: 06-June-2012 Location: Central WI Status: Offline Points: 765 |
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I have a 55 gallon drum full of original ford 4bbl holleys. To me they are worth crush weight. Around 10 bucks each. I saved them over the years from my friends junkyard. Aslo have 5 55 gallon barrels of quadrajets. 1 barrel of 4100-4300 motorcraft 4bbl carbs. Each barrel has around 40-50 carbs in it. I would consider these all junk rebuild carbs but good cores. Anyone here though wants a few pay shipping and 10 bucks each you can have em. I would suggest buying about 4 at a time save on shipping and I am not looking at tags ones on the top get sent.
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Johnny cash Special 74-75-76 freak. 77 XR7. 78 LTD II sport looks pretty but poop 302 in it.
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mcford
Senior Member Joined: 31-May-2003 Location: Utica, Michigan Status: Offline Points: 2160 |
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damn, wish i were closer. Looking for a correct Autolite 4100 for the 7 litre, C6AF-F or C6AF-BU
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Mike
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foote500
Senior Member Joined: 13-June-2011 Location: Winchester, VA Status: Offline Points: 1267 |
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Where were you when I was scouring the net looking for a 4300-D?
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Marc
German Shepherd Rescue 1967 Ford Fairlane 500, 390 |
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Psquare75
Admin Group Member of the Stroker Club Joined: 26-November-2005 Location: United States Status: Offline Points: 4591 |
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Errr. you probably should dig through those.. Most of those Qjets flow 800CFM A quick check of eBay shows even junk-but-clean-together-units getting $20 each
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Paul
77 XR7 460/C6/3.00:1 *SOLD* 78 XR7 523/C6/3.5:1 79 F100 460/TKO500/3.25:1 'I also have some left over potatoes-I understand you can generate electricity from them'- Foote500 |
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mcford
Senior Member Joined: 31-May-2003 Location: Utica, Michigan Status: Offline Points: 2160 |
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the 4100's seem to go for at least $25 ea or more and thats for ones needing rebuilt.
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Mike
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Rockatansky
Senior Member Joined: 30-July-2010 Location: On The Road Status: Offline Points: 6072 |
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any chance there's a Ford pattern Rochester Quadrajunk in the piles going to scrap?
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72 GT Ute
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mcford
Senior Member Joined: 31-May-2003 Location: Utica, Michigan Status: Offline Points: 2160 |
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the q-jets that ford used had the same pattern as the gm QJ's
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Mike
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mcford
Senior Member Joined: 31-May-2003 Location: Utica, Michigan Status: Offline Points: 2160 |
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And I have 4 reman Q-jets on ebay right now at $50 a piece. mcford7t3
Edited by mcford - 17-March-2013 at 7:11AM |
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Mike
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