06-07-2010, 02:48 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Changing the heads would be the biggest jump for you right now. Even a ported E7 head probably won't flow 200 cfm. You can get an immediate 75-100 hp bump by changing to a good set of AFR heads with stud mounted roller rockers.
If you stay EFI, ditch the stock 5.0 upper/lower intakes and get a good Trick Flow intake setup, matched for the application.
With those two upgrades, you'll be very surprised.
Without upgrading to some good rods, I probably wouldn't take it any further than that.
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