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#1
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906 opinions
well i got a set of 906 heads at the swap meet today, they are perfect, untouched, no rust... i got them for soooo cheap i couldn't pass up the opportunity. the ports all look really good, like i could really work them and get good numbers but was wondering what people who had experience with them thought...
TIA |
#2
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OK, Using the MOPAR template, you should be able to wake them up. A professional port job will blow away what you can do. By the time that you are done with a professional port job, hardened seats, new valves and guides, etc, you could have bought a pair of EB heads that will out perform them for about the same price.
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#3
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Unless you have to have iron heads (like my circle burner) or are not going for max output the Edies are a "more bang for the buck" way to go. The 906's can be made to flow in the 280 -290 cfm range which is about the same as the Edies out of the box. The later castings (346,902,452, etc.) will flow better at high lifts and the 906 & 915 units are better in the mid lift range. All the aforementioned iron heads except for the 915's are open chamber units and the Edies are (I think) closed chamber. I have also read that the Edie choices are increasing with the addition of a couple more options.
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#4
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hello, the 906 head will perform very well on a 383- 440 motor. a bowl blending , mopar sst valves, will make them flow quite well. they will flow about 250 cfm @ 25" pressure. more than enough to make plenty of power.
this is with 2.08 intakes and 1.74 exhaust valves. as for power, have a set on a 440 duster, runs 10.40,s 126 mph, at 3200 # . the B/SA record is 10.14@129+ mph with 906 heads in a 3700 # gtx. eddy heads cost bout $1400, reworking 906,s will be a lot less. just food for thought. |
#5
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Quote:
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