[Z06] Stock Zo6 Flow #'s
Thread Starter
Melting Slicks
Joined: Dec 2001
Posts: 2,765
Likes: 0
From: Dana Point Ca
Originally Posted by DoubleZ06
263cfm at .550" lift. Not bad at all. Ported they flow 280 @ .550" and 289 @ .600 lift. Actually very impressive and proves that ported LS6 heads are a much better invesment than buying new heads.
Drifting
Joined: Jun 2005
Posts: 1,824
Likes: 1
From: Middleboro Massachusetts
These heads are expensive, but really put out some nice numbers.
CYLINDER HEAD FLOW
Description: Katech CNC-ported LS6 head
PN: KAT-AA3825-R01
Intake valves: 2.100-inch hollow-stem stainless steel
Exhaust valves: 1.55-inch sodium-filled stainless steel
Intake port volume: 240cc
Exhaust port volume: 88cc
Maximum valve lift w/spring: 0.585-inch
Minimum bore dia.: 4.00 inches
List price: $2,759.70 (plus $750 core charge)
Intake Exhaust
Lift (cfm) (cfm)
0.100 75 51
0.200 153 127
0.300 218 167
0.400 267 207
0.500 306 221
0.550 323 226
0.575 327 228
0.600 330 230
0.650 297 232
CYLINDER HEAD FLOW
Description: Katech CNC-ported LS6 head
PN: KAT-AA3825-R01
Intake valves: 2.100-inch hollow-stem stainless steel
Exhaust valves: 1.55-inch sodium-filled stainless steel
Intake port volume: 240cc
Exhaust port volume: 88cc
Maximum valve lift w/spring: 0.585-inch
Minimum bore dia.: 4.00 inches
List price: $2,759.70 (plus $750 core charge)
Intake Exhaust
Lift (cfm) (cfm)
0.100 75 51
0.200 153 127
0.300 218 167
0.400 267 207
0.500 306 221
0.550 323 226
0.575 327 228
0.600 330 230
0.650 297 232
