2011 - Crane Cams

CAMSHAFTS
Ford-Mercury V-8 91-10
238
Application
Camshaft Series/
Grind Number
Hydraulic Roller Follower Camshafts
Good low end and mid range torque and HP, good idle,
daily usage, off road, mild supercharged, mild nitrous,
2200-2600 cruise RPM.
Good mid range torque and HP, fair idle, performance
usage, bracket racing, computer upgrades required,
2600-3000 cruise RPM.
Excellent low end torque and HP, smooth idle, daily
usage, towing, 1600-2200 cruise RPM.
Good low end and mid range torque and HP, good idle,
daily usage, off road, mild supercharged, mild nitrous,
2200-2600 cruise RPM.
Good mid range torque and HP, fair idle, performance
usage, bracket racing, auto w/2000+ converter, computer
upgrades required, must check valve to piston clearance,
2600-3000 cruise RPM.
Good mid range to upper RPM torque and HP, rough idle,
performance usage, bracket racing, auto w/2500+ converter,
increased compression ratio required, computer
upgrades required, must check valve to piston clearance,
2800-3400 cruise RPM. Also mild supercharged or
nitrous.
RPM range shown is for average usage. These cam profiles
will RPM higher, depending upon application.
NOTE: Installing camshafts having greater than .500” valve lift in
other than Performance Improvement 2V cylinder heads
will require cylinder head machining to achieve correct valve
spring assembly heights.
RPM
POWER
RANGE
HR-218/500-2-16 2000-
5000
HR-228/500-2S-12 2400-
6200
HR-212/550-2S-15 1600-
5500
HR-218/550-2-16 2000-
5800
HR-228/550-2S-12 2400-
6200
HR-236/600-2S-14 2800-
6600
Camshaft
PART NUMBER/
Emissions Code
See pg. 286
FOLLOWERS
CRANECAMS.COM
4.6-5.4 Litre SOHC 2 Valve
COMPLETE CAM SPECIFICATIONS
Degrees
Duration
@ .050”
Int/Exh.
Advertised
Degrees
Duration
Int/Exh.
Degrees
Lobe
Separation
Open/Close
@ .050”
Valve Lift
Int/Exh
Lash
Hot
Int.
Exh.
Gross
Lift
Int.
Exh.
379501 *a 218 254 116 (2) 40 .000 .500
228 264 55 (7) .000 .500
3
379511 *a 228 264 112 7 41 .000 .500
234 270 54 0 .000 .500
3
379601 *b 212 248 115 (4) 36 .000 .550
218 254 49 (11) .000 .550
3
379611 *b 218 254 116 (2) 40 .000 .550
228 264 55 7 .000 .550
3
379621 *b 228 264 112 7 41 .000 .550
234 270 54 0 .000 .550
3
379631 *b 236 272 114 6 50 .000 .600
242 278 57 5 .000 .600
3
IMPORTANT NOTE: 1997 and later applications will require Ford
bolt-on gears: Ford part number F8AZ-6256-AA for the
right gear, and F8AZ-6256-BA for the left gear. One of the
YF7Z-6279-AA bolt kits, two F1AZ-6278-A washers, and two
F3AZ-6265-A spacers will also be required.