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Old 12-11-2010, 02:52 PM
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ford 347

I am looking at purchasing a new set of aluminum heads. I would like to know if there is anyone who has tested dart pro 1 to afr on a ford 347. Just general test to see which would be the best value for me. I currently have a set of procomp 205's now. And think that I need a better head.

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Old 12-11-2010, 04:13 PM
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Describe the performance characteristics that make you think you need a "better" head. 205 sounds pretty big for a 347 unless you're winding it to 8500.
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Old 12-11-2010, 09:26 PM
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ford 347

My brother is running a 331 with trick flow heads in the same car as me. and he runs a 9.7 in 1000 ft. I run a 10.0. I talked to my engine builder and he said there would be significant improvements if I used afr heads. I plan to talk to afr but wanted real testimonies first.
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Old 12-11-2010, 11:12 PM
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Maybe his car is lighter or maybe he's a better driver than you are.
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Old 12-11-2010, 11:21 PM
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You may want to check out: www.sbftech.com and get some opinions there,they seem to like Trick-Flows and AFR's.Caution they are a No B.S. forum so do a lot of reading there first before asking, the answers are probably there and you can learn a lot from them,they are hardcore Ford.
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Old 12-13-2010, 08:29 PM
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A better head.

I believe you would be happy with either head over what you got,probably would get a little more from the afr head even though you have 205cc runners in the heads you have that doesn't always mean big flow numbers ! when selecting a head you should always look at flow numbers in the low lift areas 400 lift 500 etc,etc the numbers in these areas are just as if not more important than peak flow numbers. As for the heads you have now I have seen flow numbers on a set of 220cc runner cnc procomps which is one of their best sets and they were less than desirable in my opinion for making hp.When I say i saw these numbers i don't mean in a book or on the internet i was witness to the numbers on the flow bench. You get what you pay for! two sets of what you have for the price of one set of what your looking to buy now !!!!!!!!!!!
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