Dart Heads vs. AFR Heads - Team Camaro Tech
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post #1 of 3 (permalink) Old Jan 18th, 00, 02:49 PM Thread Starter
Senior Tech
Join Date: Jan 2000
Location: Highland Village, TX, USA
Posts: 138

I'm building a 383 small block with a hydralic roller cam with 236 and 242 duaration at .050 and around .576 and .555 lift.
I need your opinions guys. Which heads are better or you would go with, Dart PRO 1 aluminum heads or Air Flow Research 190cc heads. Need help!
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post #2 of 3 (permalink) Old Jan 18th, 00, 06:07 PM
Join Date: Jun 1999
Posts: 306

I don't think you can go wrong with either head. I think the Pro 1's come in 200cc intake runners right? Compared to the 190cc runners of the AirFLow heads they will most likely flow very similar amounts at all valve lifts. A little bowl work and both heads will flow great without major port work. If lower rpm power is wanted I would go with the smaller runner of the AirFlow heads just based on smaller runner giving more low rpm intake chage velocity thus more lower rpm power. Consider chamber volume size. Which head has the correct compression ratio with the pistons you will use? When you decide and install them post your experience.

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post #3 of 3 (permalink) Old Jan 28th, 00, 08:44 AM
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Join Date: Nov 1999
Location: squaw Valley
Posts: 34

I have the AFR 210 cc with 2.05 and 7/16 studs so I am partial to AFR. But I can tell you that when I was doing the flow numbers research AFR out flowed everybody..even Brodix at all lifts. Even with all that port volume, I still get great low rpm tq, and with AFR's port design it is not necessary to use a split duration cam. I've had these heads for 5 years and never had a problem with them.
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