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Old 07-12-2021, 09:25 AM
bobcowan bobcowan is offline
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Join Date: Feb 2007
Location: Colorado Springs, CO
Cobra Make, Engine: Backdraft, supercharged Coyote
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Originally Posted by cycleguy55 View Post
Question: Given the improved low RPM behaviour of a MPFI system, can a 'slightly' more radical cam be used to provide more high RPM horsepower? What's the impact on midrange drivability?
Yes! This is where the MPFI really shines. I had the "biggest" cam I could get into my 427W. It idled smoothly (for a big cam) at 850 rpms. Low and mid range drivability was smooth as silk. But mash the throttle and it would scream like a banshee and take off like a rocket.

I don't think I'll ever go back to a carb.
.boB "Iron Man"
NASA Rocky Mountain TTU #42
BDR #1642 - Supercharged Coyote, 6 speed Auto
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