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Old 12-20-2012, 02:27 PM
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Carb/intake selection

What carb/intake for GM 383 Engine Specs (BP38313CT1) | BluePrint Engines

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Old 12-20-2012, 02:41 PM
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RPM spreadbore intake....
Edelbrock Performer RPM Intake Manifolds 7104 - SummitRacing.com
750 cfm Quadrajet carb.
Summit Racing® Remanufactured Quadrajet Carburetors SUM-210216 - SummitRacing.com
Minimum 14" x 4" air filter element
Long-tube 1 5/8" headers with X or H pipe before the mufflers.
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Old 12-20-2012, 03:17 PM
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What do you think about rpm air gap? I want to go with a Holley this time, just select a 750cfm from their lineup? What do you recommend ? Thank you
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Old 12-20-2012, 05:05 PM
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I would use a 750 HP.Thats a double pumper carb.air gap works too as long as cold weather use is not an issue.I actually prefer single plane intakes.I use a victor Jr intake and a 950 HP carb,but thats me
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Old 12-20-2012, 05:30 PM
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Quote:
Originally Posted by defilade View Post
What do you think about rpm air gap?
The RPM AirGap is a great intake. I highly recommend them.
They have great torque and response, and still flow good at higher RPM's.

If I was building a high-RPM race engine, I would do a single plane.
Otherwise... the AirGap is my choice for just about everything else.
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Old 12-21-2012, 06:41 PM
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Carb/intake selection

If I had to choose for my engine I would Pick the Edelbrock Perform RPM and this Holley Carburetor. Holley Ultra Double Pumper Carburetors 0-76750RD - SummitRacing.com if I drove it on the street every day. Now if it was weekend warrior I would have an Edelbrock Victor JR. and the same carburetor. Holley Ultra Double Pumper Carburetors 0-76750RD - SummitRacing.com. What it comes down to is how are you going to drive the car or truck this engine is is for.
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Old 12-29-2012, 04:24 PM
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Arb/intake selection

For what it is worth take the cubic inches of your engine and double that. Now you have the CFM's you'll need to get into a decent fuel supply. Once you have those numbers then look up what the available carburetion and intakes will supply that fuel management demand. All are listed in a number of references that are verified.
Normbc9
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