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Cylinder Head Selection?

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Old 01-11-2008, 07:08 PM
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Car: 88 IROC-Z
Engine: 5.7 TPI
Transmission: T56
Axle/Gears: Moser 12bolt 4.10s
Cylinder Head Selection?

I have to pick a set of heads for my engine which is a sbc383 with a forged bottom end. I have been pointed in the direction of the AFR 210cc Race Ready w/65cc Chambers, or Dart Pro 1 215cc with 64cc chambers. I was told there wasnt a huge difference performance and the darts are cheaper. However i havent really got a good description of the darts and am waiting on a reply on that, perhaps the builder was talking about the pro 1 platinums? The Cam will be matched to heads, its going into 85 camaro with a4 3.73 and 3000+stall convertor. Compression will be aprox 10.5:1 and it will be a mostly weekend car that might see a bit of time at the track if anyone needs to know. Anyhow i dont have any experience with either head and have no problem spending a few hundred more if the afr's actually are that much better??? I dont want to get the darts and then be kicking myself later. Anyhow if anyone knowledgeable on this can comment on this it would be greatly appreciated. Thanks,

Geoff
Old 01-11-2008, 09:30 PM
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Car: 82 camaro
Engine: 434 ci
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Re: Cylinder Head Selection?

I have had great results with the AFR 195cc heads look at my combo for one. And if you can hold off for a couple of weeks I will have some flow data on the Dart 215 s.
Old 01-11-2008, 09:38 PM
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Re: Cylinder Head Selection?

AFR 195 or 210 would be nice - especially with the 100% CNC ports. The normal AFR heads are about 70% CNC ports, competition machining is 100%.

I've heard GMPP's 200cc (210?) FastBurn aluminum heads are very nice heads as well. 62cc chambers and Vortec style intake ports on a 200-ish port would be a very nice combo.
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