Thread: Best way to proceed with improving up 427 Windsor street setup
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Old 08-17-2015, 02:56 PM
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Join Date: Aug 2002
Location: Richmond, VA
Cobra Make, Engine: Superformance Mk III / Windsor platform
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Ace23, I am back home and looked at my files. FWIW, my Roush 427R with a dual plane intake dynoed at @420rwhp on a Mustang and @460rwhp on a Dynojet. This is a motor that Roush rates @540 flywheel hp. This is a stout motor with an AED 750cfm carb, well tuned and runs 11:30s in the quarter mile on a good day. Your 360rwhp number looks very low to me for the motor you have.
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