Which carb solution for my 360
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Senior User
Joined: Aug 2003
Posts: 177
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From: Beaverton OR
Which carb solution for my 360
I have a stock 360 in a 68 2wd with a c6. It has a 2bbl intake and I am going to build a 4bbl 390 when $$$ permits. My Holley 2300 is needing a rebuild, and I could trade for a 500 cfm Holley 2bbl that needs rebuilding as well. I then wondered if it would be better to just go ahead and find the 4bbl that I will use on the 390 and use one of the adapter plates until I am ready to put it on the new engine.
I tried this in the carb forum, but to no avail.
I tried this in the carb forum, but to no avail.
Cargo Master
Joined: Apr 2004
Posts: 2,574
Likes: 4
From: Golden, CO
A few of the guys who have run the 4 to 2 adapters weren't too impressed. The only person I've seen keep one of those adapters on a motor replaced a 4V with a 2V. Seems he couldn't keep tires on his car with the 429 4V set up.
I'd just kit out the 2V; unless the throttle shaft has worn out the holes in the throttle body. Ask about the 500 CFM in the FE forum. I don't know how it would do on a stock 360.
Good luck, Mike
I'd just kit out the 2V; unless the throttle shaft has worn out the holes in the throttle body. Ask about the 500 CFM in the FE forum. I don't know how it would do on a stock 360.
Good luck, Mike
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
fly, There are many different opinions when it comes to carbs. Rebuild the one that you have now and wait for the 4 barrel until you have built the new engine to use it.
Keep this in a corner of your brain, Nascar Busch series runs a 390 cfm carb on the race cars.
John
Keep this in a corner of your brain, Nascar Busch series runs a 390 cfm carb on the race cars.
John
Hotshot
Joined: Oct 2002
Posts: 18,488
Likes: 22
From: The Big, Oregon
The factory 2BBL for the 360 is about 354cfm. In the carb and EFI forum, I posted a breakdown of the different cfm ratings and how to identify them.
Fly, I'm having a hard time remembering which forum or site I answered you on.
Fly, I'm having a hard time remembering which forum or site I answered you on.
Senior User
Joined: Jun 2004
Posts: 455
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Ford Six, Do you remember the thread name in the carb forum? I haven't been able to search it up. Thanks
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New User
Joined: Feb 2005
Posts: 5
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i have a 390 thats .30 over with headders and edelbrock intake anmd carb and crane cam ive used holleys in the past but its hard to beat a 600 elec choke edelbrock on my set up i had to change the metering rods and step up springs ( TOOK LONGER TO OPEN THE PACKAGE THAN TO CHANGE THE PARTS ) love those edelbrocks.
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Joined: Nov 2005
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I have a '72 390 in my truck with a 500 Holley 2bbl. It runs great but is very thirsty, I have plenty of power and lots of throttle even in high gear. I use this truck for hunting and most all attitudes and altitudes it runs flawlessly. I'd stick with the 500 if it were me
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