Ron's Pontiac Page: Comp Cams Specs

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Comp Cams
Cam	Lifter Type	Pattern	Adv Intake Duration	Adv Exhaust Duration	Int Duration @ .050"	Ex Duration @ .050"	Int Lift 1.5 Rockers	Ex Lift 1.5 Rockers	Int Lift 1.65 Rockers	Ex Lift 1.65 Rockers	Lobe Sep Angle	RPM Range	DD2000 File
*Factory Muscle*
51-116-3 (041H)	HFT	D	308	320	230	240	0.469	0.469	0.516	0.516	114	1800-5700
*High Energy*
51-229-3 (252H)	HFT	S	252	252	206	206	0.425	0.425	0.467	0.467	110	800-4800
51-230-3 (260H)	HFT	S	260	260	212	212	0.440	0.440	0.484	0.484	110	1200-5200
51-232-3 (268H)	HFT	S	268	268	218	218	0.454	0.454	0.499	0.499	110	1500-5500
*Dual Energy*
51-206-4 (255DEH)	HFT	D	255	261	202	212	0.420	0.450	0.462	0.495	110	1000-5000
51-207-4 (265DEH)	HFT	D	265	269	211	221	0.442	0.465	0.486	0.484	110	1200-5500
51-208-4 (275DEH)	HFT	D	275	277	219	228	0.462	0.480	0.508	0.499	110	1500-5800
*Xtreme Energy*
51-220-4 (XE250H)	HFT	D	250	260	206	212	0.432	0.444	0.475	0.488	110	600-4800
51-221-4 (XE256H)	HFT	D	256	268	212	218	0.447	0.455	0.492	0.500	110	1000-5200
51-222-4 (XE262H)	HFT	D	262	270	218	224	0.462	0.470	0.508	0.517	110	1300-5500
51-223-4 (XE268H)	HFT	D	268	280	224	230	0.477	0.480	0.525	0.528	110	1600-5800
51-224-4 (XE274H)	HFT	D	274	286	230	236	0.488	0.491	0.537	0.540	110	1800-6000
51-225-4 (XE284H)	HFT	D	284	296	240	246	0.507	0.510	0.558	0.561	110	2300-6500
51-226-4 (XE294H)	HFT	D	294	306	250	256	0.519	0.524	0.571	0.576	110	2800-6500
51-413-9 (XR264HR)	HR	D	264	270	212	218	0.487	0.495	0.536	0.545	110	1000-5000
51-423-9 (XR276HR)	HR	D	276	282	224	230	0.502	0.510	0.552	0.561	110	1800-5600
51-433-9 (XR288HR)	HR	D	288	294	236	242	0.520	0.540	0.572	0.594	110	2200-6000
*Xtreme Energy Drag*
51-241-4 (305H-10)	HFT	S	305	305	253	253	0.525	0.525	0.577	0.577	110	3500-6500
51-242-5 (312H-10)	HFT	S	312	312	260	260	0.540	0.540	0.594	0.594	110	3500-6500
51-243-5 (320H-10)	HFT	S	320	320	268	268	0.540	0.540	0.594	0.594	110	4000-6700
51-314-4 (280AH-10)	HFT	D	280	288	232	237	0.482	0.482	0.531	0.531	110	2500-6200
51-506-5 (296TL-6)	SFT	D	296	310	266	275	0.570	0.585	0.627	0.644	106	4200-6500
51-659-5 (290B-6)	SFT	D	290	304	255	266	0.540	0.534	0.594	0.587	106	3500-6500
51-660-5 (300B-6)	SFT	D	300	314	265	276	0.563	0.556	0.619	0.612	106	4200-6500
51-661-5 (310B-8)	SFT	D	310	314	275	276	0.585	0.556	0.644	0.612	108	4500-6500
51-662-5 (320B-8)	SFT	D	320	324	283	286	0.588	0.577	0.647	0.636	108	4500-6500
51-813-9 (285CR-6)	SR	D	285	295	252	262	0.563	0.549	0.619	0.604	106	3800-6500
51-816-9 (306CR-8)	SR	D	306	319	270	280	0.600	0.600	0.660	0.660	108	4500-6500
51-818-9 (308R-4)	SR	S	308	308	284	284	0.660	0.660	0.726	0.726	104	4500-6500
51-822-9 (306CR-4)	SR	D	306	309	275	278	0.625	0.630	0.688	0.693	104	4500-6500
51-823-9 (316DR-6)	SR	S	316	316	284	284	0.650	0.650	0.715	0.715	106
51-825-9 (312R-4)	SR	S	312	312	284	284	0.662	0.662	0.728	0.728	104
51-827-9 (316R-4)	SR	S	316	316	288	288	0.660	0.660	0.726	0.726	104
*Magnum Series*
51-233-4 (270H)	HFT	S	270	270	224	224	0.476	0.476	0.523	0.523	110	1800-5800
51-234-4 (280H)	HFT	S	280	280	230	230	0.480	0.480	0.528	0.528	110	2000-6000
51-240-4 (292H)	HFT	S	292	292	244	244	0.501	0.501	0.551	0.551	110	2500-6500
51-241-4 (305H)	HFT	S	305	305	253	253	0.525	0.525	0.578	0.578	110	3000-6500
51-244-4 (270S)	SFT	S	270	270	224	224	0.468	0.468	0.515	0.515	110	1800-5800
51-245-4 (282S)	SFT	S	282	282	236	236	0.495	0.495	0.545	0.545	110	2000-6000
51-246-4 (294S)	SFT	S	294	294	248	248	0.525	0.525	0.578	0.578	110	2500-6500
51-247-4 (306S)	SFT	S	306	306	260	260	0.555	0.555	0.611	0.611	110	3000-6500
51-751-9 (288R)	SR	S	288	288	244	244	0.550	0.550	0.605	0.605	110	2200-6500
51-752-9 (308R)	SR	S	308	308	262	262	0.575	0.575	0.632	0.632	110	3000-6700
*Magnum Drag*
51-309-4 (276AH-10)	HFT	D	276	284	228	236	0.473	0.473	0.520	0.520	110	2000-6000
51-316-4 (296AH-8)	HFT	D	296	305	246	253	0.511	0.525	0.562	0.577	108	3000-6500

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