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Dart 250cc CNC head

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Old Feb 12, 2009 | 03:48 PM
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Default Dart 250cc CNC head

Has anybody run them, and if so, how do you like them.
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Old Feb 14, 2009 | 11:30 AM
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Nobody huh?
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Old Feb 14, 2009 | 03:41 PM
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who sells them? i cant find them?
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Old Feb 14, 2009 | 06:24 PM
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Arent those heads for a BBC?
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Old Feb 14, 2009 | 10:08 PM
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http://www.dartheads.com/products/cy...cnc-heads.html
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Old Feb 14, 2009 | 10:20 PM
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Originally Posted by TireSm0ke
Arent those heads for a BBC?
No this is for the LS engines.

I'm interested in flow numbers for the 250cc cnc heads.
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Old Feb 16, 2009 | 09:58 AM
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I've got the flow numbers from Dart, but I was interested if anybody has any real experiance with them yet.
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Old Feb 16, 2009 | 11:06 AM
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And those are?
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Old Feb 16, 2009 | 04:20 PM
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what are the flow #'s
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Old Feb 16, 2009 | 05:11 PM
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INTAKE 144 214 264 305 329 344
EXHAUST 114 157 192 219 232 240
0.200 0.300 0.400 0.500 0.550 0.600


0.200 0.300 0.400 0.500 0.550 0.600

Heads tested on 4.000 bore, on superflow 600
2.08-1.60
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Old Feb 17, 2009 | 03:23 AM
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Those are for bigger bore motors 364 ci and up and forced induction with the 68 cc chambers.
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Old Feb 17, 2009 | 09:25 AM
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Yes they are, we've used the 205 and 225 as cast with good results, and the AFR 205 and 225's. We are getting ready to build a 434 lsx with a big turbo for a 70 camaro and are debating on trying these or possibly the new AFR 240 head when it comes out. I was trying to get a feel for what people have done with these, I guess I'll call dart an see if they can put me in touch with someone that is actually using them.
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