flow bench #'s

Discussion in ''Da Nailhead' started by Damian Kolosik, Jul 29, 2004.

  1. Damian Kolosik

    Damian Kolosik Well-Known Member

    hey everyone im just curious of what kinds of numbers you guys got that have had your heads ported.
     
  2. heres some flow numbers from Ed Mosler on 64 401 heads and these numbers are pretty good numbers for a restrictive 401 head...
    Flow tested @28" H20. intake to exhaust ratio 75.9%
    intake
    .100 - 80.8
    .200 - 144.6
    .300 - 185.0
    .400 - 221.9
    .500 - 237.0
    .550 - 243.5
    .600 - 246.8

    exhaust
    .100 - 63.0
    .200 - 105.0
    .300 - 138.2
    .400 - 162.5
    .500 - 175.6
    .550 - 181.4
    .600 - 188.2
     
  3. here are some other nailhead flow numbers from a set of mild Gessler heads

    intake
    .100 - 62
    .200 - 127
    .300 - 171
    .400 - 197
    .500 - 212
    .600 - 219

    exhaust
    .100 - 48
    .200 - 83
    .300 - 108
    .400 - 130
    .500 - 138
    .600 - 141
     
  4. These are the numbers from a set of Steve magnotty heads


    intake
    .100 - 61
    .200 - 121
    .300 - 172
    .400 - 201
    .500 - 215
    .600 - 223

    exhaust
    .100 - 52
    .200 - 93
    .300 - 126
    .400 - 141
    .500 - 150
    .600 - 153
     
  5. last but not least.. stock heads

    stock unported heads

    intake
    .100 - 53
    .200 - 110
    .300 - 157
    .400 - 180
    .500 - 190
    .600 - 195

    exhaust
    .100 - 45
    .200 - 77
    .300 - 99
    .400 - 114
    .500 - 119
    .600 - 120
     
  6. Damian Kolosik

    Damian Kolosik Well-Known Member

    #'s

    well heres the #'s for my heads on the flow bench
    i should get the sheets soon so i can post them on here if i get access 2 a scanner:

    Intake-
    .200-134

    .300-190

    .400-220

    .500-237

    .600-242

    Exhaust-

    .300-127

    .400-149

    .500-162

    .600-168

    well i didnt get all the #'s cause i got them over the phone so ill have them all once i pick up my heads, anyway guys tell me what you think? good day ...
     

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