TBI vs Port injection

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1 Post By bobcowan
2 Post By eschaider
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#6 (permalink)

07-12-2021, 10:25 AM

bobcowan

CC Member

Join Date: Feb 2007

Location: Colorado Springs, CO

Cobra Make, Engine: Backdraft, supercharged Coyote

Posts: 2,453

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Quote:

Originally Posted by cycleguy55

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.

joyridin' likes this.

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