Magnum Cylinder Heads - Mopar's Magnum Maulers

TABLE 1
INTAKE AIRFLOW CUBIC FEET PER MINUTE @ 28-INCH PRESSURE DROP SUPERFLOW 600 FLOWBENCH TESTED BY STEVE DULCICH
LIFT	STOCK	MOD1	MOD2	MOD3	MOD4	MOD5	MOD6
.050"	31	32.5	34	34	35	35	36
.100"	60.5	62	66	67	66	66	66
.200"	123	125	128	128	128	129	128
.300"	173	177	179	178	180	178	178
.400"	205	217	218	219	224	220	222
.500"	219	238	242	240	243	244	246
.600"	223	246	250	252	258	258	264
.700"	220	242	253	261	266	263	271
LEGEND
Stock: As delivered by Mopar Performance; stock valves
Mod 1: Blended as-cast bowls to bottom cut of valve job
Mod 2: Streamline guide boss
Mod 3: Blend short side turn from runner floor to bottom cut of valve job
Mod 4: Cut pushrod intrusion to .040-inch thickness
Mod 5: Blend and straighten runner
Mod 6: Polish port

TABLE 2
EXHAUST AIRFLOW CUBIC FEET PER MINUTE @ 28-INCH PRESsURE DROP SUPERFLOW 600 FLOWBENCH TESTED BY STEVE DULCICH
LIFT	STOCK	MOD1	MOD2	MOD3	MOD4	MOD5
.050"	30	30	29.5	31	30	31
.100"	56	55	58.2	59	58	59
.200"	107	108	110	110	110	116
.300"	150	149	150	150	151	155
.400"	170	173	176	176	178	179
.500"	177	183	187	188	198	204
.600"	180	187	192	193	207	213
.700"	NR	189	195	196	211	217
PIPE*	194	218	221	223	234	238
LEGEND
Stock: As delivered by Mopar Performance; stock valves
Mod 1; Blend as-cast bowl to bottom cut of valve job
Mod 2: Streamline guide boss
Mod 3: Blend short side turn from runner floor to bottom cut of valve job
Mod 4: Blend and straighten runner
Mod 5: Polish port
* Peak flow with flow pipe attached to runner exit

TA Performance 16167 N. 81st St. Scottsdale AZ 85260	Cometic Gasket Concord OH 4-40/-354-0777 cometic.com
CP Pistons Irvine CA 949-567-9000 www.cppistons.com	SYSTEM ONE FILTRATION PO Box 1907, Dept. PHR Tulare CA 93275
Eagle Specialty Products Southaven MS 6-62/-796-7373 eaglerod.com	ROYAL PURPLE OIL One Royal Purple Ln., Dept. PHR Porter TX 77365
COMP CAMS 3406 Democrat Rd., Dept. PHR Memphis TN 38118	UNIQUE ALUMINUM PRODUCTS 1507 NW Northwood Dr., Dept. PHR Ankeny IA 50021
Holley Performance Products 1801 Russellville Rd. Bowling Green, KY 42101 KY 42101 270-782-2900 www.holley.com	Meziere Enterprises 20 S. Hale Ave. Escondido CA 92029 800-208-1755 www.meziere.com
Barry Grant Inc. 1450 McDonald Road, Dept. MMFF Dahlonega GA 30533	Total Seal Piston Rings Phoenix AZ 85027

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