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2011 - Crane Cams

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CAMSHAFTS<br />

Ford-Mercury V-8 68-97<br />

250<br />

Application<br />

Hydraulic Lifter <strong>Cams</strong>hafts<br />

Brute low end torque, smooth idle, daily usage, EFI compatible,<br />

fuel economy, 1600-2200 cruise RPM, 7.75 to<br />

8.75 compression ratio advised.<br />

Good low end torque, smooth idle, daily usage, EFI compatible,<br />

off road, towing, economy, also mild turbocharged,<br />

2200-2600 cruise RPM, 8.0 to 9.5 compression<br />

ratio advised.<br />

Good low end torque, towing, good idle, daily usage, mild<br />

off road, economy, good low and mid-range torque and<br />

HP, also mild turbocharged, 2400-2800 cruise RPM, 8.5 to<br />

10.0 compression ratio advised.<br />

Excellent low end and mid range torque and HP, good<br />

idle, daily usage and off road, towing, performance and<br />

fuel efficiency, marine performance, mild supercharged,<br />

2200-2600 cruise RPM, 8.75 to 10.5 compression ratio<br />

advised.<br />

Fair idle, performance usage, good mid-range torque<br />

and HP, auto w/2200+ converter, 3200-3600 cruise RPM,<br />

serious off road, heavy limited oval track, bracket racing:<br />

Street, Heavy; 9.0 to 10.5 compression ratio advised.<br />

Fair idle, performance usage, good mid-range HP, auto<br />

w/2500+ converter, 3400-3800 cruise RPM, oval track:<br />

Street Stock, Enduro, Hobby, 1/4-3/8 mile; bracket racing:<br />

Street, Heavy, Pro E.T., Super E.T.; Also mild supercharged,<br />

9.5 to 11.0 compression ratio advised.<br />

<strong>Cams</strong>haft Series/<br />

Grind Number<br />

RPM range shown is for average usage. These cam profiles<br />

will RPM higher, depending upon application.<br />

IMPORTANT: Adjustable Vacuum Advance Kit available. See page<br />

333 for details.<br />

IMPORTANT: Check your hydraulic lifter preload, with your original<br />

pushrods, to first determine if different pushrods may be required.<br />

On 72-97 engines, if your hydraulic lifter preload is<br />

excessive, this can be remedied by using <strong>Crane</strong>’s Rocker Arm<br />

Pedestal Shim Kit (99170-1). Refer to page 324 for details.<br />

IMPORTANT: <strong>Crane</strong> offers Pushrod Guideplate and Rocker Arm<br />

Stud Conversion Kits, (35655-16 and 52655-16) for street<br />

applications, enabling the 370-429-460 cu.in. engines with<br />

pedestal mounted rockers to have adjustable rocker arms<br />

without cylinder head removal or machining. See page 325<br />

for details.<br />

RPM<br />

POWER<br />

RANGE<br />

H-192/2667-2S-10 800-<br />

4200<br />

H-260-2 1200-<br />

4800<br />

H-266-2 1400-<br />

5000<br />

H-272-2 1800-<br />

5400<br />

H-226/314-2-8 2200-<br />

5800<br />

H-288-2 2400-<br />

6000<br />

<strong>Cams</strong>haft<br />

PART NUMBER/<br />

Emissions Code<br />

See pg. 293<br />

LIFTERS<br />

CRANECAMS.COM<br />

370-429-460 (7.5L) cu.in.<br />

COMPLETE CAM SPECIFICATIONS<br />

Degrees<br />

Duration<br />

@ .050”<br />

Int/Exh.<br />

Advertised<br />

Degrees<br />

Duration<br />

Int/Exh.<br />

Degrees<br />

Lobe<br />

Separation<br />

Open/Close<br />

@ .050”<br />

Cam Lift<br />

Int/Exh<br />

Lash<br />

Hot<br />

Int.<br />

Exh.<br />

Gross<br />

Lift<br />

Int.<br />

Exh.<br />

350501 * 99280-16 c 192 248 110 (9) 21 .000 .456<br />

204 260 37 (13) .000 .487<br />

3<br />

353901 * 99280-16c 204 260 112 (5) 29 .000 .487<br />

353902 *a 216 272 45 (9) .000 .518<br />

3<br />

353931 * 99280-16c 210 266 114 (4) 34 .000 .487<br />

353932 *a 218 274 48 (10) .000 .504<br />

3<br />

353941 * 99280-16c 216 272 112 1 35 .000 .518<br />

353942 *a 228 284 51 (3) .000 .513<br />

3<br />

350541 * 99280-16 c 226 286 108 10 36 .000 .537<br />

99380-16 c,d 236 296 51 5 .000 .556<br />

3<br />

354551 * 99280-16 c 226 288 112 6 40 .000 .522<br />

354552 *b 99380-16 c,d 230 292 52 (2) .000 .530<br />

NOTE: To provide the most accurate valve adjustment on hydraulic<br />

lifter camshafts, in other than 429 Super C.J. engines,<br />

a method of effecting valve adjustment is required. On<br />

68-71 engines equipped with bottleneck type studs, using<br />

99768-16 positive locking nuts will permit valve adjustment.<br />

On 72-97 engines, the heads must be machined to<br />

use 99159-16 screw-in studs and pushrod guideplates.<br />

NOTE: Special length pushrods can be ordered to provide proper<br />

hydraulic lifter preload. Refer to page 305 for special<br />

pushrod ordering instructions, and page 374 for checking<br />

your hydraulic lifter preload.<br />

3<br />

NOTE: Many 1972 and later Ford-Mercury V-8 engines are<br />

originally equipped with a retarded crankshaft sprocket.<br />

This may cause idling and performance problems when<br />

installing aftermarket camshafts. We recommend using our<br />

35975-1 timing chain and gear set, a pre-1972 crankshaft<br />

sprocket, or by degreeing in your camshaft. The nonretarded<br />

sprocket will have the alignment dot and keyway<br />

slot directly in line with each other.<br />

NOTE: These camshafts also fit the 1969-70 Ford 429 Boss Hemi<br />

V-8 engines. Some kit components will differ. Contact<br />

<strong>Crane</strong>’s Performance Consultants for details.

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