i need help guys info or flow# for dart iron eagle early style pn 10120020 - Hot Rod Forum : Hotrodders Bulletin Board
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Old 09-30-2013, 08:27 PM
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i need help guys info or flow# for dart iron eagle early style pn 10120020

Right now I have to get a new set of heads for my sbc 327 30 over flat tops with lunati streetmaster 285 durat and 507 lift. To make a long story short first engine builder sold me a pos engine and the heads was a blem pare and the valve angles are off 2 and 3 degrees off on one head. I found as set of dart iron eagle early design pn10120020 not platinum. Specs are 180cc runner 68cc cbc 2.055/ 1.6 valves heads are bare for $475 and can use all valve springs and exhaust valves and hardware except intake valve 2.02. Or should I get the promaxx 2151 iron vortec head 185 runner 64cc cbc 2.02/1.6 valves $820 after tax summitracing as I already have a wieand vortec intake. Even with new intake the dart setup would be cheaper.

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Old 09-30-2013, 10:24 PM
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so what about the promaxx 2151 heads

So what about the promaxx heads I mentioned above and have them shaved down to about 60cc cbc.
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Old 10-01-2013, 12:30 AM
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Thanks f-bird88 I have actually been looking at these exact heads I hear their really brodix ik200
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Old 10-01-2013, 12:32 AM
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Thanks f-bird88 I have actually been looking at these exact heads I hear their really brodix ik200
You don't think these 200cc runner will be to big on a street sbc 331
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Old 10-01-2013, 01:18 AM
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F-bird88 you got some great ideas and a supercharger would be nice but its just little ole daily driver for now anyway but thanks again.
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Old 10-01-2013, 07:26 AM
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One of the local engine builders had a set of the 72cc SHP heads in for a customer; I think they're an older iron eagle design, but done in aluminum. Anyway; they were pretty useless, unless you really wanted a Dart aluminum head from America. He swore them off for his customers and was using the IK180s and IK200s for his street customers. Fairly recently, I was in his shop (he welds aluminum housings for us) and he had a set of the SHP 64cc approx heads on his counter for sale. So I asked the obvious question and his response was that the 64cc design flows MUCH better than the 72; and that the head probably was designed around a 58-64cc volume. The 72cc volume had the valves sunk deeper to add volume and this really killed the performance of the head.

Is this fairly common for Dart to make the 72cc heads "Also rans"?

To the OP: If you are more street rodder/cruiser than bareknuckled street brawler and your car isn't really built to wind the motor up more (ie stock torque converter, 3.55s or 3.31 rear axle, mild cam) I would opt for the SMALLER IK180s. You'll get better performance for that type of car than you will with the 200s
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Old 10-06-2013, 04:14 AM
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what about these rhs 12952

Ok I looked at one last pair of heads that in my price range rhs12952 180cc 64cc cbc they are the bair heads but I have all new hardware for those junk heads I have I only need a few 2.02 intake valves where they where kissing the pistons on driver side. Do anybody have any flow numbers for these rhs 12952 heads.
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Old 10-06-2013, 05:14 AM
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Ok I looked at one last pair of heads that in my price range rhs12952 180cc 64cc cbc they are the bair heads but I have all new hardware for those junk heads I have I only need a few 2.02 intake valves where they where kissing the pistons on driver side. Do anybody have any flow numbers for these rhs 12952 heads.
I'm sorry I put the wrong part number for the rhs head its RHS-12052 let me know what you guy think about these and as I said earlier I have all the hardware avalible for them.
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Old 10-12-2013, 06:53 PM
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Thanks for your help I went with the promaxx 2151 iron vortec
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