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Re: New Edelbrock Carb Issues.
[Re: 05dakota]
#631958
03/08/10 03:36 PM
03/08/10 03:36 PM
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Joined: Dec 2006
Posts: 3,533
Indiana
Fury Fan
master
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master
Joined: Dec 2006
Posts: 3,533
Indiana
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Quote:
and enjoy fuel leaks.
And less MPG. Some people do care about that, especially when they drive from Indiana to Columbus OH (that's a pre-emptive rebuttal for Swingin's 'who cares about MPG?' response, which is always right around the corner  ).
Here are 2 links:
https://board.moparts.org/ubbthreads/show...&PHPSESSID=
https://board.moparts.org/ubbthreads/show...&PHPSESSID=
Parts I seek:
driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set
16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better.
69-73 C-body caliper brackets and/or splashields
Send a PM.
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Re: New Edelbrock Carb Issues.
[Re: Fury Fan]
#631959
03/08/10 03:40 PM
03/08/10 03:40 PM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
Quote:
and enjoy fuel leaks.
And less MPG. Some people do care about that, especially when they drive from Indiana to Columbus OH (that's a pre-emptive rebuttal for Swingin's 'who cares about MPG?' response, which is always right around the corner ).
Here are 2 links:
https://board.moparts.org/ubbthreads/show...&PHPSESSID=
https://board.moparts.org/ubbthreads/show...&PHPSESSID=
FWIW, I got just as good mpg in my 340 swinger w/ the 750DP as the 625 carter. any 4bbl carb is going to use gas if your foot is on the floor. I'd guess 90% of our members have other cars they drive for "gas milage" if you want gas milage go buy a honda.
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Re: New Edelbrock Carb Issues.
[Re: Mr.Yuck]
#631960
03/08/10 07:39 PM
03/08/10 07:39 PM
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Joined: Feb 2003
Posts: 12,675
Columbia, CT
moper
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 12,675
Columbia, CT
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Holleys are just a little simpler and more crude in terms of operation over the Carter design. If they work for you best, great. It doesnt matter who made the carb. You can make the same power when the carb, any carb, is properly set and matched to the combo.
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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Re: New Edelbrock Carb Issues.
[Re: moper]
#631961
03/08/10 08:26 PM
03/08/10 08:26 PM
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Joined: Jan 2003
Posts: 5,186
Wherever I am.
Junky
master
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master
Joined: Jan 2003
Posts: 5,186
Wherever I am.
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Quote:
Holleys are just a little simpler and more crude in terms of operation over the Carter design. If they work for you best, great. It doesnt matter who made the carb. You can make the same power when the carb, any carb, is properly set and matched to the combo.
That didn't work for me. I had a 750 Edelbrock Performer. Tuned on that thing till I was cross eyed. Ended up with a 750 Holley. Tuned on it till it flat out performs that Edelbrock 750 greatly! There's no comparison as far as I'm concerned. That's just my experience. 
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Re: New Edelbrock Carb Issues.
[Re: MY340]
#631963
03/09/10 06:22 AM
03/09/10 06:22 AM
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Joined: Jan 2003
Posts: 2,179
Walton, Indiana
TimS
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,179
Walton, Indiana
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You can probably find as many Holley bashers out there as there are Carter/Edelbrock. Everybodies experiences are different and when it's bad for some reason you tend not to like or want it.I've had lots of 600/750 Holleys and have had problems with the pump diaphrams not lasting on some, causing leaks. The Holley I took off to replace with the Edelbrock I had replaced the pump diaphram twice within a year. Same issue I had with my 74 Roadrunner back in 1978 and others along the line. I prefer the Carter type setup.But there are Carter issues too. Each has its own in my opinion.
1968 Barracuda Fastback 318-2BBL 904 2.76 Frost Blue Survivor
1970 Roadrunner 440+6 BBL 727 AT 4.10 SG Dana Blue Fire Metallic
1971 Cuda 340-4 BBL 4spd 3.91 SG Curious Yellow
1972 Barracuda 318-2 BBL 904 AT 3.23 1 Legger Tor Red/White Vinyl Top
2007 Dodge Ram 1500 5.7 Hemi AT Patriot Blue
2011 Dodge Challenger RT 5.7 Hemi 6spd 392 SG Triple Black
2014 Dodge Charger RT Max AWD 5.7 Hemi AT 305 Billet Silver
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Re: New Edelbrock Carb Issues.
[Re: TimS]
#631964
03/09/10 08:08 AM
03/09/10 08:08 AM
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Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
You can probably find as many Holley bashers out there as there are Carter/Edelbrock. Everybodies experiences are different and when it's bad for some reason you tend not to like or want it.I've had lots of 600/750 Holleys and have had problems with the pump diaphrams not lasting on some, causing leaks. The Holley I took off to replace with the Edelbrock I had replaced the pump diaphram twice within a year. Same issue I had with my 74 Roadrunner back in 1978 and others along the line. I prefer the Carter type setup.But there are Carter issues too. Each has its own in my opinion.
I got a couple of 650 thunderseries carbs I plan to run on a hemi. I got them from Tim Banning at FHO. One of the things I remember him saying was not to run too much fuel pressure. He said 5-6psi tops. Too much fuel pressure will raise the float level which gets exaggerated with a hot engine. Might be something to look into. The instruction say the same thing. Not sure if the AFB style have the same instructions.
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Re: New Edelbrock Carb Issues.
[Re: torkrules]
#631965
03/09/10 09:08 AM
03/09/10 09:08 AM
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Joined: Feb 2003
Posts: 12,675
Columbia, CT
moper
I Live Here
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I Live Here
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Columbia, CT
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I think that has more to do with leverage (or less leverage than the Holley) on the needle and seat than performance. If someone has enough of an issue that no matter what swapping of the adjustbale stuff can't make it better, it was probably the wrong carb. Doesnt matter if it's Holley, Demon, Carter, Edelbrock, Predator, or a custom shop's carb. I think a TON of the Edelbrock 750 issues are the result of that fact that there's two types, and only one is a performance carb while the other is listed as a mileage peice. It's like taking the Holley off a factory 383 and expecting it to run like a 3310 on a modified engine. It's unrealistic.
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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Re: New Edelbrock Carb Issues.
[Re: Junky]
#631966
03/09/10 09:25 AM
03/09/10 09:25 AM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
Quote:
Holleys are just a little simpler and more crude in terms of operation over the Carter design. If they work for you best, great. It doesnt matter who made the carb. You can make the same power when the carb, any carb, is properly set and matched to the combo.
That didn't work for me. I had a 750 Edelbrock Performer. Tuned on that thing till I was cross eyed. Ended up with a 750 Holley. Tuned on it till it flat out performs that Edelbrock 750 greatly! There's no comparison as far as I'm concerned. That's just my experience.
you can quote me on this... a 750 Eddy/carter carb will NOT ever out perform a holley 750DP ever. You can take your "well tuned 750 eddy" and I'll drop an out of the box 750DP on an beat you by a tenth, and that's before I tweak it. I've run both types on many cars. The eddy design is great for a driver but if you want anykind of performance you'll want a holley.
Can he make his 750 work, sure but it should be pretty close out of the box. I'd pump up the metering rods, and it is a good idea to have a good vacuum gauge when you are trying to tune a carb. As mentioned if you have too much fuel pressure they will flood. I also had issues w/ the floats on hard turns and stops they stall. If you have a big block and you want an eddy buy the 800 thunder. They don't seem to have the issues like the 750.
If you want to beat a 750 Holley w/ an Eddy 750 you'd better have 2 on the car..
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Re: New Edelbrock Carb Issues.
[Re: torkrules]
#631968
03/09/10 01:07 PM
03/09/10 01:07 PM
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Joined: Jan 2003
Posts: 2,179
Walton, Indiana
TimS
OP
top fuel
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OP
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Walton, Indiana
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I sat down and watched the little how to CD that comes with the Edelbrock and the demonstrator states 7psi max on fuel pressure for the AFB style carbs. I'm running a little over 6. I initially suspected a possible over pressure conditon but around 6 shouldn't push those seats off. I popped the top on the 600 and found the float adjustments to be off per the video. I reset those and really improved idle on it.
1968 Barracuda Fastback 318-2BBL 904 2.76 Frost Blue Survivor
1970 Roadrunner 440+6 BBL 727 AT 4.10 SG Dana Blue Fire Metallic
1971 Cuda 340-4 BBL 4spd 3.91 SG Curious Yellow
1972 Barracuda 318-2 BBL 904 AT 3.23 1 Legger Tor Red/White Vinyl Top
2007 Dodge Ram 1500 5.7 Hemi AT Patriot Blue
2011 Dodge Challenger RT 5.7 Hemi 6spd 392 SG Triple Black
2014 Dodge Charger RT Max AWD 5.7 Hemi AT 305 Billet Silver
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Re: New Edelbrock Carb Issues.
[Re: Junky]
#631969
03/09/10 02:00 PM
03/09/10 02:00 PM
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Joined: Feb 2003
Posts: 12,675
Columbia, CT
moper
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 12,675
Columbia, CT
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Quote:
The 750 Edelbrock I speak of was a vacuum secondary carb.
Actually, it's not. It's airflow sensing thru the secondary and uses a counterweight or spring to counteract the air door's tendency to flop open. Holleys use a pressure drop off the primary bores to open the secondaries, hence the name vacuum secondary.
72, do try not to sound so ignorant and insecure about things...lol
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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Re: New Edelbrock Carb Issues.
[Re: moper]
#631970
03/09/10 02:07 PM
03/09/10 02:07 PM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
Not enough dumb comments...yet
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Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
|
Quote:
Quote:
The 750 Edelbrock I speak of was a vacuum secondary carb.
Actually, it's not. It's airflow sensing thru the secondary and uses a counterweight or spring to counteract the air door's tendency to flop open. Holleys use a pressure drop off the primary bores to open the secondaries, hence the name vacuum secondary.
72, do try not to sound so ignorant and insecure about things...lol
wha? I never said a eddy 750 is vacuum...I know how it works,.
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Re: New Edelbrock Carb Issues.
[Re: Mr.Yuck]
#631971
03/09/10 03:48 PM
03/09/10 03:48 PM
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Joined: Jan 2003
Posts: 5,186
Wherever I am.
Junky
master
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master
Joined: Jan 2003
Posts: 5,186
Wherever I am.
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Quote:
Quote:
Quote:
The 750 Edelbrock I speak of was a vacuum secondary carb.
Actually, it's not. It's airflow sensing thru the secondary and uses a counterweight or spring to counteract the air door's tendency to flop open. Holleys use a pressure drop off the primary bores to open the secondaries, hence the name vacuum secondary.
72, do try not to sound so ignorant and insecure about things...lol
wha? I never said a eddy 750 is vacuum...I know how it works,.
That was directed at me. I realize that it's not a "vacuum" secondary carb, just a reference that most everyone uses. I was just pointing out and clarifying what carb I was speaking of that I worked with, that it wasn't a double pump.
The "72" part was directed at you.
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Re: New Edelbrock Carb Issues.
[Re: HitIt]
#631977
03/10/10 07:40 AM
03/10/10 07:40 AM
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Joined: Jan 2003
Posts: 2,179
Walton, Indiana
TimS
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 2,179
Walton, Indiana
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I agree about the 750 being overkill for a 383 for general driveability use. The Edelbrock tech told me the same thing. The 750 would be more suited for a 440HP engine like I have in my 68 Super Bee right now or a hopped up 383 with more cam , head work etc... Mine is stock. The 600 was a better choice as I got to run 2 new ones on it back to back. My issues weren't actual performance related so I got the chance to evaluate from that standpoint. I use new and old age Carters on all my other cars with no problems. All but the stock Holley six barrel I have on my 70RR but those ar two's.
1968 Barracuda Fastback 318-2BBL 904 2.76 Frost Blue Survivor
1970 Roadrunner 440+6 BBL 727 AT 4.10 SG Dana Blue Fire Metallic
1971 Cuda 340-4 BBL 4spd 3.91 SG Curious Yellow
1972 Barracuda 318-2 BBL 904 AT 3.23 1 Legger Tor Red/White Vinyl Top
2007 Dodge Ram 1500 5.7 Hemi AT Patriot Blue
2011 Dodge Challenger RT 5.7 Hemi 6spd 392 SG Triple Black
2014 Dodge Charger RT Max AWD 5.7 Hemi AT 305 Billet Silver
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He never misses an Edelbrock carb thread. 
