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Thread: 327 tuning dual 500cfm edelbrock carbs
          
   
   

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  1. #16
    HemiTCoupe's Avatar
    HemiTCoupe is offline CHR Member Visit my Photo Gallery
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    Ya I know but I had to say it.

    He already put the money out, I have run many 2x4's and 3x2's for many yrs, on a 283 to a blown 454, it is something you will need to learn, you can't bring it to someone every time you think it's off, things change from driving it, and you'll go broke having it looked at, to be something minor, you should have someone set it at 1st, by someone that knows how to, not only says he does. But you need to know how to get it back if something should go out-of-wack.

    You can jet them to work( I ran 2 Holley 600's on top a 2x4 tunnel ram on a 283, on the street), you should search this site, theres good info on multi carbs set up, it is mostly about 3x2's, but alot still will help you learn on how they function, and on the chevy forums, and mopar forums, they use a lot of dual 4's

    Multi carbs can go from fun to what the hell in no time if something slipped on the linkage. I have stomped the pedal to run someone and nothing! the lock bolt slipped loose. there is more things to keep clean and loose, but not sloppy.

    I can fix mine , but it could take me forever to get yours right, without it here to listen to, or look at.

    Pat
    HemiTCoupe



    Anyone can cut one up, but! only some can put it back together looking cool!
    Steel is real, anyone can get a glass one.


    Pro Street Full Fendered '27 Ford T Coupe -392 Hemi with Electornic Hilborn injection
    1927 Ford T Tudor Sedan -CPI Vortec 4.3
    '90 S-15 GMC pick up

  2. #17
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Quote Originally Posted by HemiTCoupe
    Ya I know but I had to say it.

    He already put the money out, I have run many 2x4's and 3x2's for many yrs, on a 283 to a blown 454, it is something you will need to learn, you can't bring it to someone every time you think it's off, things change from driving it, and you'll go broke having it looked at, to be something minor, you should have someone set it at 1st, by someone that knows how to, not only says he does. But you need to know how to get it back if something should go out-of-wack.

    You can jet them to work( I ran 2 Holley 600's on top a 2x4 tunnel ram on a 283, on the street), you should search this site, theres good info on multi carbs set up, it is mostly about 3x2's, but alot still will help you learn on how they function, and on the chevy forums, and mopar forums, they use a lot of dual 4's

    Multi carbs can go from fun to what the hell in no time if something slipped on the linkage. I have stomped the pedal to run someone and nothing! the lock bolt slipped loose. there is more things to keep clean and loose, but not sloppy.

    I can fix mine , but it could take me forever to get yours right, without it here to listen to, or look at.

    Pat
    Best tuning tool I've found is a left over from snowmobile racing, a multi-carb balance tube for synchronizing the carbs, one hose from each tube goes to a vacuum port on each carb. The tubes are filled with Mercury (probably illegal nowadays). Just adjust the idle screws til the level in the tubes are even.... As for the linkage, I always run them progressive, nothing fancy required there other then a bit of common sense and a lot of patience!!!! They're fun, but as my years advance and spare time decreases, I'm really starting to enjoy EFI!!!!!
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

    Learning must be difficult for those who already know it all!!!!

  3. #18
    Motown is offline CHR Member Visit my Photo Gallery
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    Thanks guys, i'm going to try to start tuning these things tommorow. i'm sure ill have some problems so i hope you dont mind the questions..

  4. #19
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Quote Originally Posted by Motown
    Thanks guys, i'm going to try to start tuning these things tommorow. i'm sure ill have some problems so i hope you dont mind the questions..
    It just takes a bit of patience and persistence, you'll get it!
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

    Learning must be difficult for those who already know it all!!!!

  5. #20
    HemiTCoupe's Avatar
    HemiTCoupe is offline CHR Member Visit my Photo Gallery
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    Quote Originally Posted by Dave Severson
    Best tuning tool I've found is a left over from snowmobile racing, a multi-carb balance tube for synchronizing the carbs, one hose from each tube goes to a vacuum port on each carb. The tubes are filled with Mercury (probably illegal nowadays). Just adjust the idle screws til the level in the tubes are even.... As for the linkage, I always run them progressive, nothing fancy required there other then a bit of common sense and a lot of patience!!!! They're fun, but as my years advance and spare time decreases, I'm really starting to enjoy EFI!!!!!

    I did the same with a tube and water, but now for my Dellorto's carbs on the trike, I bought a synchronizer that I just set on top and adjust the little floating ball to the same place.
    I also have been playing with EFI, I converted my Hilborn to electornic injectors. I need a non-working Hilborn fuel pump housing.

    Pat
    HemiTCoupe



    Anyone can cut one up, but! only some can put it back together looking cool!
    Steel is real, anyone can get a glass one.


    Pro Street Full Fendered '27 Ford T Coupe -392 Hemi with Electornic Hilborn injection
    1927 Ford T Tudor Sedan -CPI Vortec 4.3
    '90 S-15 GMC pick up

  6. #21
    Motown is offline CHR Member Visit my Photo Gallery
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    I want to thank every body for there help , i finaly got this thing to run good, i had to change the metering rods to lean it out (edelbrock said to go 6%leaner on my motor combo after they said the first time i called that no adjustment was nesasary)and i used the vacuum guage for the idel mixture screws. I have realy never delt with carberators mutch so i greaty appeiciate the help. you guys are great !!!

  7. #22
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Good to hear you have it working! Dual fours do have a "kewl factor" about them! Keep an eye on your plug readings for rich to lean conditions, or maybe find a shop with an air/fuel ratio machine, and see where it's at... If you have quality air and fuel filters installed, the Edelbrock carbs should hold their tune quite well..... Oh yeah, and post us some pics, we all like a little eye candy!!!!!
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

    Learning must be difficult for those who already know it all!!!!

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