Part Number/Work Order Number 16462
Engine Application 332-428 FORD
Grind Number 280R
ADVERTISED CAMSHAFT SPECIFICATIONS:
INTAKE:
Duration: 280º
Lift: .581
Clearance Hot: .026
EXHAUST:
Duration: 288º
Lift: .583
Clearance Hot: .028
The specifications listed above are based on a rocker arm ratio of
1.76 IN
1.76 EX
RECOMMENDED VALVE SPRING INFORMATION:
Part #
Single
Dual
Triple
Approximate spring pressure:
valve closed: 200# LBS.
valve open: 650# LBS.
11.0 BTDC
8.0 ATDC
43.0 ABDC
56.0 BBDC
Timing Events
The information below is for degreeing cam only. Correct only at .050" tappet lift.
INTAKE
Opens: 11.0 BTDC
Closes: 43.0 ABDC
EXHAUST
Opens: 56.0 BBDC
Closes: 8.0 ATDC
LOBE SEPARATION 110º
Duration at .050"
Intake: 234º
Exhaust: 244º
LOBE LIFT
Intake: .330
Exhaust: .331
4 degrees of advance have been ground into this Camshaft.
If using "Lobe Center" method of degreeing, cam should be installed on an intake centerline of: 106º
NOTES:
Cams damaged by excessive spring pressure, over shimming, valve train bind or retainers contacting the
guides are void from warranty. Refer to the "Important Camshaft and Lift Information" booklet included
with each new Crower camshaft to avoid any break-in problems.
