afr heads
Im building a 400sbc it .30 over setup for 11-11.5:1 comp turning 6700-7000rpm now i found a good deal on afr heads except there 195cc runner wit 2.05/1.60 would that be too small to feed the 400 or not ive seen decent dyno sheets bringing 560hp at the fylwheel but i want more towards 600 would it be reachable with those heads
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IT DEPENDS ON WHAT SIZE A CAM YOU HAVE ALSO.I HAVE 210 AFR HEADS CNC'ED 208/160 I TWIST 7200RPM OUT OF MY 406.OTHERS ON HERE KNOW MORE IM SURE YOU WILL GET MORE AWNSERS SOON.
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AFR and most head mfrs would probably tell you these are too small for your application. AFR suggests 180 runners for 327-350 small blocks and 195 for 383-400 motors, but for street motors. You might be able to get by if the heads are heavily ported. I think they will run out of air on top end. I am running a set of 180 AFRs on a 406 but only because they were on a 355 and my car totalled in a fire. Check out AFR's website. I found their tech line very good. Great heads. Good luck. Mep
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If your going to be using a hydraulic roller cam, the 195 heads will be a great fit. The 195 heads are capable of making 600 hp
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Afr heads are damn good, I have 210 cnc heads on a 385 but its drag only
motor turns 7500 at the traps and its 13.2to1 compression |
Re: afr heads
Originally Posted by rhino058
Im building a 400sbc it .30 over setup for 11-11.5:1 comp turning 6700-7000rpm now i found a good deal on afr heads except there 195cc runner wit 2.05/1.60 would that be too small to feed the 400 or not ive seen decent dyno sheets bringing 560hp at the fylwheel but i want more towards 600 would it be reachable with those heads
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