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  #16 (permalink)  
Old 08-30-2007, 09:26 AM
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OK guys, thank you very much for all the info… so what’s the verdict… beef up the 302 a little more, put in a beefed up 351W, keep the 302 and use NOS? Use: No strip racing, just a burn out or two, and a little street racing to ward off doubters, HA!!
By the way, I should have mentioned, that my 302 isn’t stock… it’s got a 270 comp cam, Edelbrock AVS 650 carb / Performer RPM manifold and 3.73 gears. I shouldn’t have called it “anemic”. The old girl will hold her own nicely with a new GT (and look damn good doing it, HA!), I just wanted a little more.
So what do you guys think? “If it were my car, I’d……”

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  #17 (permalink)  
Old 08-30-2007, 09:53 AM
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what cylinder heads on the 302?....see attached

found a pic' and some more info on the 514ci 460 Merv built here last year....info is about half way down the page

http://www.mustangmonthly.com/techar...d_headers.html
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  #18 (permalink)  
Old 08-30-2007, 10:07 AM
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Actually, they’re stock heads… I emailed Edelbrock a month ago or so about the possibility of putting new heads on the engine I have. This is what they replied. What do ya’ll think?

“Terry, I would recommend our Performer heads #60329. These heads have an exhaust crossover, use a stud mounted rocker arm, and have 1.90” intake valves which should be compatible with your stock pistons (though you should always roll your engine over by hand to check clearances prior to starting). Let me know if any of the above parameters are unacceptable and I’ll tell you know if we have something different acceptable. Thank you for using Edelbrock products please let me know if you have any further questions.
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  #19 (permalink)  
Old 08-30-2007, 10:32 AM
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what is the motor rpm's HP peak for that cam...5500? 6500?
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Old 08-30-2007, 11:25 AM
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No clue...
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  #21 (permalink)  
Old 08-30-2007, 12:11 PM
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DD says 5,000rpms for 270H 224/224 comp cams hp peak on a 302 (TQ peak isn't till 4,000!).....

plugged in your build, depending on the details (cr/exhaust/headers etc) you are at between 275hp-295hp now 315tq@4,000....

for reference:
the Edelbrock "302 rpm power package" (heads, intake and cam) is 367hp@6500 and 340tq....and is "streetable"

so the chart can make more sense, the E7 heads on the left are typical 302 heads and here are the Edelbrock flow numbers

http://www.edelbrock.com/automotive_.../flow_data.pdf

like always, for a super duper street motor you do need more parts...stall converter/better cooling/better traction/etc...

they recommended the right heads based on the 5k peak cam (I'd change it to the rpm cam)
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