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05-05-2002, 05:00 PM | #1 |
Registered Member
Join Date: Jan 2002
Location: Mt. Prospect,IL
Posts: 474
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What do u think of The Holley systemax 2 kit
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 |
05-05-2002, 09:29 PM | #2 |
Registered Member
Join Date: Mar 2002
Location: Long Island, NY
Posts: 55
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Holley must have not updated their site because the new holley heads are 2.02/1.60 valves. The older heads had oil issues so they changed the design. The cam has also been changed but I think its the cam you listed which is the lunati 51014 cam. Cant comment on the kit cause I dont have it, but IMO that holley intake is a HUGE overkill for a small streetable 302. IMO its more suited for ported heads and bigger cams with 6k+ shift points. The holley lower comes set up for a fel-pro 1262 gasket while most aftermarket street alum heads/lower intakes are set up for 1250 gaskets. Fwiw, I run the full TFS combo and like it. I'm hoping to hit the track Wed night in hopes for 12's @ 110. A little more info on your car would be good too, like is it auto or 5spd, vert or not?? Any mods? Later,
Mike
__________________
TFS heads/FTI custom cam/TFS street heat, Longtubes, 373's, MM lca's, Tokico springs/shocks |
05-05-2002, 10:06 PM | #3 |
Registered Member
Join Date: Jan 2002
Location: Mt. Prospect,IL
Posts: 474
|
Dont have much done to it yet stock motor, 3:73's, steeda short shifter, off road h-pipe, dyno max mufflers low restriction, me and a couple of buddys dont under stand though it is pretty fast for being stock i raced my friend a few times and he beats me by like to car lengths and his car runs low 13s and my car holds fairly tight until we hit about 80-85, i am pretty impressed by it oh yeah it has a little bit better fuel pump in it. I know the guy who owned it prior to me didnt drive it that much and it was a show car that i am trying to make a go car. I can get the car to chirp the tires into fourth gear
ps car has 72000 orignal miles |
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