Performance camshaft. Great low end torque. Decent vacuum
at idle.
Fits ALL IH International Harvester 266, 304, 345, and 392 V-8 engines.
RPM RANGE: 1800-5000
Valve lift is calculated with zero lash and rocker ratio of 1.6
INTAKE TIMING DURATION: 256 deg.
OPEN: 18 BEFORE TDC
CLOSE: 58 AFTER BDC
CAM LIFT: .281"
VALVE LIFT: .450"
EXHAUST TIMING DURATION: 262 deg.
OPEN: 61 BEFORE BDC
CLOSE: 21 AFTER TDC
CAM LIFT: .290"
VALVE LIFT: .465"
LOBE CENTER: 110 deg.
OVERLAP: 39 deg.
CAM ADVANCE: 0 deg.
THE ABOVE TIMING IS CHECKED AT .020 (OPEN) LIFTER RISE .020 (CLOSE)
The following timing is taken at .050" lifter rise and gives a more accurate determination of camshaft position.
INTAKE DURATION: 202 deg.
OPEN: -9 BEFORE TDC
CLOSE: 31 AFTER BDC
EXHAUST DURATION: 208 deg.
OPEN: 34 BEFORE BDC
CLOSE: -6 AFTER TDC
RECOMMENDED ISKY CAM KIT PARTS AND SETUP INFORMATION
LIFTERS: 1902-HY
LIFTER TYPE: HYDRAULIC
Fits ALL IH International Harvester 266, 304, 345, and 392 V-8 engines.
RPM RANGE: 1800-5000
Valve lift is calculated with zero lash and rocker ratio of 1.6
INTAKE TIMING DURATION: 256 deg.
OPEN: 18 BEFORE TDC
CLOSE: 58 AFTER BDC
CAM LIFT: .281"
VALVE LIFT: .450"
EXHAUST TIMING DURATION: 262 deg.
OPEN: 61 BEFORE BDC
CLOSE: 21 AFTER TDC
CAM LIFT: .290"
VALVE LIFT: .465"
LOBE CENTER: 110 deg.
OVERLAP: 39 deg.
CAM ADVANCE: 0 deg.
THE ABOVE TIMING IS CHECKED AT .020 (OPEN) LIFTER RISE .020 (CLOSE)
The following timing is taken at .050" lifter rise and gives a more accurate determination of camshaft position.
INTAKE DURATION: 202 deg.
OPEN: -9 BEFORE TDC
CLOSE: 31 AFTER BDC
EXHAUST DURATION: 208 deg.
OPEN: 34 BEFORE BDC
CLOSE: -6 AFTER TDC
RECOMMENDED ISKY CAM KIT PARTS AND SETUP INFORMATION
LIFTERS: 1902-HY
LIFTER TYPE: HYDRAULIC