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Registered Member
Join Date: Jan 2002
Location: Mt. Prospect,IL
Posts: 474
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![]() I am thinking about buying the holley systemax kit, do u think it is a good deal this is what it comes with and the specs as follows
1.Roller Camshaft -intake Valve lift/duration: .509"/276° @ .006" -Exhaust Valve Lift/Duration: .509"/280° @ .006" -Valve Overlap: 64° @ .006" -Rocker Arm Ratio: 1.6 -Intake Lobe Centerline: 102° -Exhaust Lobe Centerline: 112° 2.Aluminum Upper and lower intake 3.Double roller timing chain and gears 4.Fully assembled aluminum cylinder heads -Ford SysteMAX II heads are made of 356-T6 heat-treated aluminum for strength and weigh only 28 lbs. each. Check out the following design and performance features of these fully-assembled beauties: -Exhaust ports have been raised an extra .400" from the stock O.E. location to improve flow. - Intake and exhaust valve angles were changed from 20° to 17°. -Combustion chamber volume: 61.0 cc. -Intake port volume: 175.5 cc, flowing 234 SCFM @ .600" valve lift. -Exhaust port volume: 70.9 cc, flowing 188 SCFM @ .600" valve lift. -Rocker arm ratio: 1.6:1. -Valves: One-piece forged from 21-4N stainless steel with stellite tip and chrome-plated stem. ......Intake - 1.94" diameter ........................4.92" length ........................11/32" stem diameter ......Exhaust - 1.60" diameter ........................4.94" length ........................11/32" stem diameter Valve Seat Angle: ......Top - 35° ......Middle - 45° ......Bottom - 60° Valve guides are made of phosphorous/bronze. Valve Keepers: 7°, steel. Air pump passage is retained. 5. Harden push rods Hey if u guys can help me out decideding otherwiase should i just get a blower cam and blow it i am undecided and having trouble to decide should i go N/A or super or NOS Have about $3000.00 to spend |
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