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KRE 260 heads dyno results
Thursday, December 13, 2018
 
 
 


Built by Panaritis Automotive

  • 455 cid bored .030" over
  • Forged TRW pistons
  • Eagle rods
  • KRE 260 cfm heads (see flow sheet)
  • Comp beehive valve springs
  • Comp Cams XR288HR Hydraulic roller cam
  • Speed Pro Stamped steel 1.65 rockers
  • Cam specs are 236° / 242° @ .050", 110° LSA, .573" / .594"
  • MSD distributor locked at 32°
  • Hedman 1.875" hedders
  • Holley HP750 carburetor
  • Hurricane intake

 Head flow results:

HEAD
.100"
.150"
.200"
.250"
.300"
.350"
.400"
.450"
.500"
.550"
.600"
KRE 260 (as cast) heads IN
79
114
148
180
209
229
241
246
248
248
EX
61
96
116
132
167
164
174
182
188
194
199
cleaned up intake ports
78
114
147
180
211
230
246
252
256
258

Flowed @ 28" H2O
2.11", 1.66" Ferrea 5000 series valves
Intake ports were simply cleaned up by smoothing all machining and casting flash exhaust ports were not touched

All flow testing was performed by Panaritis Automotive on a SuperFlow SF-600FC flowbench

Dyno page 1 (pdf file)
Dyno page 2
Dyno page 3

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