Airflow numbers Canfield heads
03-23-2002, 03:11 PM
#1
Registered
Thread Starter
Airflow numbers Canfield heads
Not to long ago two people were asking about airflow numbers on the Canfield heads. Here are some numbers on the exhaust ports 1.880 valve @28 h20 310 cc head fully ported.
...lift.....................cfm
.200....................132
.300....................186
.400....................228
.500....................256
.600....................280
.650....................295
.700....................310
.800....................326
.900....................330......350 w/pipe
I sure nobodys using a camshaft that lifts the valve .800 or more lift in the marine world, but to me these numbers are incredible. I have a new respect for Canfield
...lift.....................cfm
.200....................132
.300....................186
.400....................228
.500....................256
.600....................280
.650....................295
.700....................310
.800....................326
.900....................330......350 w/pipe
I sure nobodys using a camshaft that lifts the valve .800 or more lift in the marine world, but to me these numbers are incredible. I have a new respect for Canfield
03-23-2002, 04:16 PM
#3
Registered
Thread Starter
Big M
Marty,
Big M 1.880 exhaust no pipe
...Lift...............cfm
.200................135
.300................181
.400................240
.500................275
.600................294
.700................305
.800................311
I still would use the Big M or the Pro ones for a marine engine, the number are fatter in the mid lift area.
The intakes flow 415
Big M 1.880 exhaust no pipe
...Lift...............cfm
.200................135
.300................181
.400................240
.500................275
.600................294
.700................305
.800................311
I still would use the Big M or the Pro ones for a marine engine, the number are fatter in the mid lift area.
The intakes flow 415
Last edited by JimV; 03-23-2002 at 06:32 PM.
04-04-2002, 02:11 PM
#8
Registered
Thread Starter
Canfield Intake Ports
The numbers I have are with a 2.250 intake valve 310cc port
.LIFT...........CFM
.200............152
.300............233
.400............295
.500............344
.600............371
.700............380
.LIFT...........CFM
.200............152
.300............233
.400............295
.500............344
.600............371
.700............380
04-04-2002, 10:44 PM
#9
Registered
Join Date: Oct 2001
Location: The 'Nati
Posts: 170
Likes: 0
Received 0 Likes
on
0 Posts
I just replace the heads on my HP500's with Canfield Aluminum heads (110 cc chambers) and picked up 5 mph and a bunch of mid range acceleration in a 38' Fountain. I'm impressed.
