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Autolite 4100 or Edelbrock?

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Old Mar 19, 2004 | 01:40 AM
  #1  
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Autolite 4100 or Edelbrock?

The truck is a cab off restored '73 F250 2wd Camper Special.
It has a C6 and a stock 460 4V from a '74 Mercury.
It has a thirsty/leaky Motorcraft on it now.

I'm ready and hopeing to buy a cure. I have access to a rebuilt w/warranty Autolite 4100 for $220. Or can go with a new Edelbrock.
I use the truck for heavy towing (4 horse trailer).
I prefer to use the same linkages and stock airfilter, manifold and electric choke.

Is the 4100 from a 390 Thunderbird and the Edelbrock a bolt on turnkey project? If not, what extras will I need?
Your advice, comments and observations please.
 
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Old Mar 19, 2004 | 03:11 PM
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get a 600 vac. sec. Holley, you can get them from champion for around $200.
 
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Old Mar 19, 2004 | 09:45 PM
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The edelbrock is easier to tune and will make more power and use less fuel than a Holley carb. It will do better than the 4100 too.
 
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Old Mar 20, 2004 | 11:09 AM
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Thanks for your help.

Will these carbs come with the linkages to go with the C6 and original accel linkages?

The Motorcraft has a choke that has the troublesome exaust plumbing.
Will I be able to do away with this mess with these carbs also?
 
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Old Mar 20, 2004 | 04:59 PM
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The Edelbrock can he had with either a manual or electric choke. There is a bolt on linkage kit for Ford automatic trannys available for the Edelbrock too.
I use an Edelbrock 750 on my 460 and it runs great!!
 
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Old Mar 21, 2004 | 10:11 AM
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Your help is greatly appreciated.
I'll be able to lay down the money with confidence now.
 
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Old Mar 21, 2004 | 11:29 AM
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Glad to help
 
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Old Mar 31, 2004 | 01:41 AM
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I had the catalog out and my credit card.
I was in the process of ordering my #1411 Edelbrock 750 w/electric choke. In addition the EDL-1483, kickdown linkage and EDL-1495 additional linkage.
Out of the blue the saleman mentions this carb is for squarebore manifolds.
Hmmm, thinking back to this forum I remembered that the Motorcraft 4300 that came on this '74 Mercury 460 w/egr was a spreadbore.

Now mind you that this '74 won't need a California smog so the EGR can go away, but the stock manifold stays. There was much discussion about squarebore carbs not working on spreadbore manifolds. That is, unless a 50-60 dollar spacer from Summit is used?
We're so close here and I've been paying attention.
 
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Old Mar 31, 2004 | 04:02 AM
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If you want the correct carb, you can get an Eddy AVS spreadbore, Summit #EDL-1812. It's 800cfm, and about $375. Or there is the Holley spreadbore for about $70 less, p/n HLY-0-80555c, but that's only 650cfm.
I did some digging, and Mr. Gasket has the adapter you need, for $16. It's part number 1932.
 
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