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Re: Edlebrock Carbs, Any good? [Re: dvw] #1194706 03/13/12 01:33 AM 03/13/12 01:33 AM
Joined: Jan 2003 Posts: 74,978 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 74,978 U.S.S.A.	Quote: My last build I back to backed Cater 750 comp to Eddy 750. Ran exactly the same. Mine are an older pair , maybe the new ones are different. I've run smaller and "unliked" carbs on many street/strip 11-12 second builds with success. I not saying to buy or not buy. I can tell you I've never had a carb I couldn't make work. Like I've stated before. I run AFBs,Holleys,T-quads. Depends on the application. Doug I can't say whether you were lucky or not , or are better at tuning carbs than anyone else but from my own personal experience trying to dial one in and with info from someone I trust I'll never buy that specific carb ever again and I'll steer anyone I can away from it, not worth the risk in my opinion. I'd as soon run a holley instead of the performer 750 .

Re: Edlebrock Carbs, Any good? [Re: JohnRR] #1194707 03/13/12 07:31 AM 03/13/12 07:31 AM
Joined: Jul 2003 Posts: 4,766 Holland MI Ottawa 2 2boltmain master
2boltmain master 2 Joined: Jul 2003 Posts: 4,766 Holland MI Ottawa	Its not just a moparts thing- A google search will turn up results from enthusiasts of all makes that found the Edelbrock Performer 750cfm carb just does not deliver the goods. When Edelbrock started the Thunder series they skipped over the 750 capacity and made their biggest carb an 800. Keep old mopars alive.

Re: Edlebrock Carbs, Any good? [Re: CrAzYMoPaRGuY] #1194708 03/13/12 08:29 AM 03/13/12 08:29 AM
Joined: Sep 2004 Posts: 22,873 Chicken coop dustergirl340 Chicken Little
dustergirl340 Chicken Little Joined: Sep 2004 Posts: 22,873 Chicken coop	Quote: I love Edelbrock carbs. IN PAIRS. Mild engines, two 500s. A little raunchy... two 600s. Total drivability and good top end power.... Yep. I like that too. 750 = crap. I had two and hated them both.

Re: Edlebrock Carbs, Any good? [Re: dustergirl340] #1194709 03/14/12 01:56 AM 03/14/12 01:56 AM
Joined: Jan 2005 Posts: 134 Missouri C Clayton member
Clayton member C Joined: Jan 2005 Posts: 134 Missouri	I just rebuilt an eddy today and let me tell you this POS won't work at all! No idle and no amount of adjustment or tunning helps at all. Have rechecked the float adjustment three times to no avail and one of the air-fuel adjusting screws can be screwed all the way in or all the way out and in ur pocket and it changes nothing! I have checked and re-checked everything that can be checked multiple times and it just simply is a total pile!

Re: Edlebrock Carbs, Any good? [Re: Clayton] #1194710 03/14/12 04:48 PM 03/14/12 04:48 PM
Joined: Mar 2006 Posts: 9,826 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,826 MI, usa	You either have plugged passage(s) ,incorrect assembly , or a huge vacuum leak. Doug

Re: Edlebrock Carbs, Any good? [Re: Clayton] #1194711 03/14/12 05:02 PM 03/14/12 05:02 PM
Joined: Jul 2011 Posts: 817 Eugene, Oregon Secret Chimp super stock
Secret Chimp super stock Joined: Jul 2011 Posts: 817 Eugene, Oregon	Quote: I just rebuilt an eddy today and let me tell you this POS won't work at all! No idle and no amount of adjustment or tunning helps at all. Have rechecked the float adjustment three times to no avail and one of the air-fuel adjusting screws can be screwed all the way in or all the way out and in ur pocket and it changes nothing! I have checked and re-checked everything that can be checked multiple times and it just simply is a total pile! If the adjustments don't do anything you put it together wrong or it's not installed correctly. It's impossible for a correctly built and installed carb to curb idle with the mixture screws all the way into their seats. 1967 Dodge Coronet Deluxe station wagon 1.03" T-bars, QA1 arms/rods, Cordoba/GM Metric/Volare brake & knuckle, XHDs, Hellwig rear sway, 318 Magnum w/ air gap, 727, 3.23s

Re: Edlebrock Carbs, Any good? [Re: Secret Chimp] #1194712 03/14/12 05:14 PM 03/14/12 05:14 PM
Joined: Jun 2006 Posts: 5,161 CT GTX MATT master
GTX MATT master Joined: Jun 2006 Posts: 5,161 CT	My friend has a '68 Runner that just plain will not work with that 750. It was a stock engine but since the installation of a Comp XE268 the problems with it have been exacerbated. He put it away for the winter with it actually running good and pulling pretty hard after he spent a ton of time cleaning and retuning that pos carb (but lacking the response it should have had still). Yesterday I went over to visit. He fired it up and we took it for a ride. It had no power and would not idle, just like right after the cam installation. Luckily we tracked down a correct AVS for his car and are waiting for it to come in so he can finally ditch that POS. Now I need to pin those needles, got to feel that heat Hear my motor screamin while I'm tearin up the street

Re: Edlebrock Carbs, Any good? [Re: Secret Chimp] #1194713 03/14/12 06:22 PM 03/14/12 06:22 PM
Joined: Jan 2005 Posts: 134 Missouri C Clayton member
Clayton member C Joined: Jan 2005 Posts: 134 Missouri	It's together correctly, been checked 5 times now. There has to be a blocked passage or something broken internal. It's pretty much impossible to put an eddy together wrong, it only has 8 gaskets and the needle and seats and floats, only goes together one way.

Re: Edlebrock Carbs, Any good? [Re: Clayton] #1194714 03/14/12 08:16 PM 03/14/12 08:16 PM
Joined: Jan 2003 Posts: 1,436 Oklahoma City OK Cudajon pro stock
Cudajon pro stock Joined: Jan 2003 Posts: 1,436 Oklahoma City OK	The problem on the 750 (and can be applicable to any of the carbs that have the air valve)oh you say whats the air valve? It's that butterfly that sits in the bore above the Secondary butterflys. As the air pressure increases when opening the secondaries the AV limits the amount of air entering the secondaries till the pressure increases flowing past the AV causing the AV to open. The quadrajet and thermoquad also have these but they're controlled by a spring to increase or decrease the amount of air it takes to open them. Now back to the point on the 750 they open to quick and the engines have a tendency to bog or seem sluggish. On my Carters I drilled a hole in each of the airvalve counterweights. This causes them to open easier, and then if it bogs are seems sluggish I push in a bb fishing weight to make them a little harder to open. The primary side is just fine on all these carbs but the secondary side needs to be played with to tune properly. http://www.youtube.com/watch?v=4J3K94cRC1c

Re: Edlebrock Carbs, Any good? [Re: Cudajon] #1194715 03/14/12 11:34 PM 03/14/12 11:34 PM
Joined: Oct 2011 Posts: 516 ND D dodgedon mopar
dodgedon mopar D Joined: Oct 2011 Posts: 516 ND	I have a quick question... Didn't these long ram intakes have the old AFB carbs with the narrow bolt pattern? Does the Eddy have a wide and narrow pattern or would an adapter be needed? 67 Charger 383 auto 75 Dodge CNT 800 CAT Diesel 2012 Ram Crew cab 5.7 4x4

Re: Edlebrock Carbs, Any good? [Re: dodgedon] #1194716 03/14/12 11:57 PM 03/14/12 11:57 PM
Joined: Jan 2003 Posts: 1,607 Western Washington Sixgun top fuel
Sixgun top fuel Joined: Jan 2003 Posts: 1,607 Western Washington	IIRC most eddys (if not all) have the "dual" pattern.I would hope that hasn't changed.

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