2011 - Crane Cams
2011 - Crane Cams
2011 - Crane Cams
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CAMSHAFTS<br />
Chevrolet V-8 57-87<br />
76<br />
Application<br />
Mechanical Lifter <strong>Cams</strong>hafts<br />
Performance usage, good mid and upper RPM HP, bracket<br />
racing; Pro, Super Pro, Hot Rod, Super ET, etc., auto<br />
trans w/race converter, oval track; Late Model,<br />
Sportsman, I.M.C.A., etc., 3/8-1/2 mile, serious off road,<br />
11.5 minimum compression ratio advised.<br />
Competition only, serious flat lifter restricted oval track;<br />
Late Model, Sportsman, etc., 3/8-5/8 mile, intended for<br />
1.8 intake and 1.5 ratio exhaust rocker arms, 12.0 minimum<br />
compression ratio advised.<br />
Good upper RPM torque and HP, rough idle, moderate<br />
performance usage, good upper RPM HP, 4400-4800<br />
cruise RPM, good w/large manifold nitrous system, 11.5<br />
to 12.5 compression ratio advised. Good w/Roots supercharger,<br />
20 lbs. maximum boost w/8.0 maximum compression<br />
ratio advised.<br />
Competition only, good upper RPM torque and HP, bracket<br />
racing; Pro, Super Pro, Hot Rod, etc., auto trans w/race<br />
converter, oval track; Late Model, Sportsman, I.M.C.A.,<br />
etc., 3/8-1/2 mile, 12.0 minimum compression ratio<br />
advised.<br />
Competition only, good upper RPM torque and HP, 360+<br />
cu.in., bracket racing; Quick ET, etc., auto trans w/race<br />
converter, 12.5 minimum compression ratio advised.<br />
Competition only, good upper RPM HP, 370+ cu.in.,<br />
bracket racing; Quick ET, etc., auto trans w/race converter,<br />
12.5 minimum compression ratio advised.<br />
Radical Competition only, good high RPM HP, 380+ cu.<br />
in., flat lifter restricted classes, stick or auto trans. w/race<br />
converter, 12.5 minimum compression ratio advised.<br />
Radical Competition only, good high RPM HP, 388+ cu.<br />
in., flat lifter restricted classes, stick or auto trans. w/race<br />
converter, 12.5 minimum 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: Self-aligning rocker arms cannot be used with<br />
mechanical lifter camshafts.<br />
NOTE: When using 55-56, 265 cu.in. blocks, late model cam bearings<br />
must be installed.<br />
IMPORTANT: AdjustableVacuum Advance Kits available. See page<br />
333 for details.<br />
NOTE: 1988-99 Chevrolet 305 and 350V-8 engines (and some 1987<br />
350V-8 engines) use a different configuration camshaft core<br />
than the 57-87 engines and cannot be interchanged.<br />
262-267 (4.4L)-283-302-305 (5.0L)-307-327-350 (5.7L)-400 cu.<br />
in. (also: 87-95 trucks w/standard [non-roller] hydraulic lifters)<br />
RPM<br />
POWER<br />
RANGE<br />
<strong>Cams</strong>haft<br />
PART NUMBER/<br />
Emissions Code<br />
See pg. 293<br />
LIFTERS<br />
CRANECAMS.COM<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 />
Saturday Night Special 4400- 111451<br />
7600<br />
* 99250-16 260 295 106 28 52 .026 .555<br />
F-260/370-2-6 111452 *a 270 305 65 25 .028 .578<br />
F-262/340-2S-7 4400-<br />
7800<br />
F-300-2 4600-<br />
8200<br />
3<br />
NOTE: <strong>Cams</strong>hafts having standard size journals with SFO firing<br />
order (1-8-7-3-6-5-4-2, or 4/7 swap) are available on special<br />
order. Contact <strong>Crane</strong>’s Performance Consultants for details.<br />
NOTE: <strong>Cams</strong>hafts for modified standard blocks, or Oldsmobile/<br />
Dart blocks, having Big Block Chevrolet size (1.948”) cam<br />
bearings are available on special order. Contact <strong>Crane</strong>’s<br />
Performance Consultants for details.<br />
NOTE: <strong>Cams</strong>hafts specifically engineered for engines that have<br />
.875”or .904”diameter lifters are available on special order.<br />
Contact <strong>Crane</strong>’s Performance Consultants for details.<br />
Lash<br />
Hot<br />
Int.<br />
Exh.<br />
110991 * 99250-16 262 294 107 28 54 .020 .612<br />
268 304 64 24 .026 .572<br />
3<br />
114701 * 99250-16 264 300 112 23 61 .026 .563<br />
272 308 71 21 .026 .581<br />
3<br />
Saturday Night Special 4600- 111501<br />
8000<br />
* 99250-16 268 304 106 31 57 .026 .572<br />
F-268/3814-2S-6 111502 *a,b 276 312 67 29 .026 .590<br />
F-310 4800-<br />
8200<br />
F-276/3934-2S-6 4800-<br />
8400<br />
F-320 5000-<br />
8600<br />
F-280/3994-2S-8 5000-<br />
8800<br />
3<br />
Since 1975, General Motors divisions have exchanged engines<br />
throughout different models. Be certain of exactly which<br />
engine you have before ordering.<br />
Gross<br />
Lift<br />
Int.<br />
Exh.<br />
114711 * 99250-16 272 310 108 31 61 .026 .581<br />
272 310 67 25 .026 .581<br />
3<br />
111001 * 99250-16 276 312 106 34 62 .026 .590<br />
284 320 70 34 .026 .608<br />
3<br />
114721 * 99250-16 280 320 108 35 65 .026 .599<br />
280 320 71 29 .026 .599<br />
3<br />
111751 * 99250-16 280 316 108 35 65 .026 .599<br />
288 324 75 33 .026 .617<br />
3
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