This months carcraft mag.Has the new AFR heads in it

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Re: This months carcraft mag.Has the new AFR heads in it

Post  738drvr on January 7th 2015, 4:45 pm

That's a 557 with a 325cc port volume. It will be interesting to see what the AFR 300cc flows with .625 raised exhaust port.
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Re: This months carcraft mag.Has the new AFR heads in it

Post  4speed on January 7th 2015, 5:36 pm

We had an engine done back a few years ago for my buddy's truck, it was 501ci 11.1 comp. with iron cobra jet heads that were mildly ported (bought them from chuck"Lone Wolf") and had Lem grind us a solid roller with around 258 @.50 268 @.50 .700 lift it made 722 hp on the dyno with a 1150 prosystem carb. -A
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Re: This months carcraft mag.Has the new AFR heads in it

Post  chuck on January 7th 2015, 10:15 pm

Are the exhaust side numbers with a test pipe?

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Re: This months carcraft mag.Has the new AFR heads in it

Post  butterbean on January 7th 2015, 11:35 pm

yes
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Re: This months carcraft mag.Has the new AFR heads in it

Post  IDT-572 on January 8th 2015, 10:49 am

I had the one Prototype tfs street exhaust port flowing 283 with out a pipe.
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