2011 - Crane Cams

CAMSHAFTS
Chrysler-Dodge-Plymouth “B” V-8 70-78
Good mid range torque and HP, good idle, daily performance
usage, mild bracket racing, 3000-3400 cruise
RPM, 9.5 to 10.75 compression ratio advised. Also mild
supercharged.
Excellent mid range torque and HP, rough idle, bracket
racing w/heavy car, auto trans w/2500+ converter, 10.0
to 11.5 compression ratio advised.
170
Application
Hydraulic Lifter Camshafts
Excellent low end torque, smooth idle, daily usage, off
road, towing, economy, also mild turbocharged, 2200-
2600 cruise RPM, 8.0 to 9.5 compression ratio advised
Camshaft Series/
Grind Number
RPM
POWER
RANGE
H-260-2 1200-
4800
H-278-2 1800-
5600
H-228/3200-2S-8 2600-
6400
Camshaft
PART NUMBER/
Emissions Code
683801 * 99278-16 b 222 278 114 2 40 .000 .467
683802 *a,b 99378-16 *c 234 290 56 (2) .000 .494
3
680591 * 99278-16 b 228 284 108 11 37 .000 .480
99378-16 *c 234 290 50 4 .000 .494
3
See pg. 293
LIFTERS
CRANECAMS.COM
383-400-440 cu.in.
with Three Bolt Gear
COMPLETE CAM SPECIFICATIONS
Degrees
Duration
@ .050”
Int/Exh.
Advertised
Degrees
Duration
Int/Exh.
Degrees
Lobe
Separation
Open/Close
@ .050”
Cam Lift
Int/Exh
Lash
Hot
Int.
Exh.
Gross
Lift
Int.
Exh.
683901 * 99278-16 b 204 260 112 (5) 29 .000 .427
683902 *a,b 216 272 45 (9) .000 .454
Replacement for factory 335 HP 383 cu.in. camshaft. BluePrinted 1400- 680101 99278-16
5000
b 214 272 115 (5) 39 .000 .447
2843564 226 292 51 (5) .000 .464
(3512907)
1
Excellent low end and mid range torque and HP, good
idle, daily usage, off road, towing, performance and fuel
efficiency, 2600-3000 cruise RPM, 8.75 to 10.5 compression
ratio advised.
Good mid range torque and HP, good idle, daily performance
usage, mild bracket racing, 3000-3400
cruise RPM, 9.5 to 10.75 compression ratio advised.
Good mid range to upper RPM torque and HP, fair idle,
moderate performance usage, 400+ cu.in., bracket racing,
3400-3800 cruise RPM, 9.5 to 11.0 compression ratio
advised.
Good mid range to upper RPM torque and HP, rough idle,
performance usage, mild bracket racing, auto trans
w/3000+ converter, 3800-4200 cruise RPM, 10.0 to 11.5
compression ratio advised.
RPM range shown is for average usage. These cam profiles
will RPM higher, depending upon application.
NOTE: These three-bolt camshafts can be used in engines
originally equipped with single-bolt camshafts if the
appropriate timing chain and gear assembly, 68975-1
or 68977-1 s used.
NOTE: Camshafts for Chrysler Mega Blocks with 47 degree lifter
bore bank angles, and aftermarket blocks with 48 degree
lifter bore bank angles are available on special order.
H-272-2 1600-
5400
H-222/3114-2S-12 1800-
5600
H-286 2200-
6000
H-302-2 2800-
6600
3
683941 * 99278-16 b 216 272 112 1 35 .000 .454
683942 *a,b 228 284 51 (3) .000 .480
3
680321 * 99278-16 b 222 278 112 4 38 .000 .467
99378-16 *c 234 290 54 0 .000 .494
3
684321 * 99278-16 b 226 286 112 6 40 .000 .471
99378-16 *c 226 286 50 (4) .000 .471
3
684561 * 99278-16 b 232 302 112 9 43 .000 .504
99378-16 *c 242 312 58 4 .000 .528
3
NOTE: For maximum performance, and to provide the most
accurate valve adjustment on hydraulic lifter camshafts, the
use of our 64770-16 adjustable rocker arms and 64640-16
(low block) or 64641-16 (high block) pushrods is highly
recommended. Adjustable rocker arms and appropriate
pushrods are required for use with mechanical lifter
camshafts.
NOTE: Low Block Engines are 350-361-383-400 cu.in., while High
Block Engines are 413-426-440 cu.in.