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Post by john newman on Dec 1, 2004 5:18:07 GMT -5
Mike Stark,who has the best CNC program for Allpro's, i found that "WELDTECH.COM" has the 278's flowing 371@ .700 lift, is that fast air or is there better out there.looking to build a 440" SBC,naturally aspirated.
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Post by Mike Stark on Dec 1, 2004 11:41:00 GMT -5
Weldtech is good. Check with Allpro too. I believe they have there own programs.
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Post by john newman on Dec 5, 2004 21:07:32 GMT -5
check or (ronsportingservice.com)
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Post by Smoke on Dec 5, 2004 22:45:42 GMT -5
Yeah Ron's get these flow numbers out of 23 RR heads. Pretty crappy INTAKE EXHAUST .200 153 123 .300 212 172 .400 272 210 .500 322 239 .600 358 251 .700 379 258 .800 382 261
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Post by prostock on Jan 13, 2005 20:46:56 GMT -5
Smoke the numbers you posted on RR 245 heads ware did you get this flow numbers from.
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Post by john newman on Jan 17, 2005 7:28:41 GMT -5
Ron's porting service, it's true #'s. check them out.
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Post by Chris U on Jan 18, 2005 14:24:34 GMT -5
Those exhaust numbers are probably WITHOUT a pipe too. My AllPros went about 280 with a pipe on Bischoffs flow bench.
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Post by hsutton on Jan 19, 2005 16:05:13 GMT -5
Has anybody seen the Pro Action or Allpro 14 degree stuff flow over 400 CFM. A local claims to have a head flowing big numbers and i was just wondering if it's possible. A small block he built last year is running about 8.65 at mid 150s so he does have some talent.
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Post by john newman on Jan 19, 2005 21:44:37 GMT -5
thse flow #'s above are from a 23* head,i have a 23* head from protopline, iron raised runner head that flows 348 at 800,int. and 256 on ext. there's better heads out there but can't afford them right now.
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Post by sbcman on Jan 20, 2005 10:30:28 GMT -5
What size valves are used for these numbers?
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Post by strokedTA on Jan 20, 2005 10:35:37 GMT -5
2.125 int / 1.65 exh
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Post by prostock on Jan 20, 2005 13:36:12 GMT -5
CHRIS U you have 23* ALL PRO heads that flow 280 ex do you have flowe S**t in-ex 100-800 howe much power it makes.
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Post by ChrisU on Jan 20, 2005 15:20:31 GMT -5
The flow numbers were comparative to the numbers listed by Rons porting service. I don't have the heads anymore. Sold them a year ago to a guy who is going to race in Extreme Street....
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Post by john newman on Jan 20, 2005 19:41:07 GMT -5
int.- 2.125"- .500long, ext.- 1.625"- .500long, the int. runners are still 257 cc. untouched,for now.
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