Vortech, ZZ-9, 1.6's on intake help?
04-05-2002, 12:54 PM
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Car: 89 IROC
Engine: Built 383, Vortech SC
Transmission: Pro-Built 700R4
Axle/Gears: Dana 44, True Trac, 3.54
Vortech, ZZ-9, 1.6's on intake help?
Ive got a Vortech, Trick Flows, Acell runners, Edelbrock base, and all the other goodies. I have the ZZ-9 cam. .484 intake, .520 ex. with 1.5 roller rockers. 212/226 duration. Will changing to 1.6 roller rockers on the intake help/be worth it to me? This would then be .516I/.520E. The Trick Flows do flow fairly well up to about .515 or so. They are set up to handle cams to .540 so I cant go up on the exhaust. I have a feeling Im not seeing the full potential of these heads. I dont want to do a cam swap at this time as I feel the engine is going to get swaped out within a year.
04-05-2002, 01:04 PM
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BLWR PWR, That is what i did with my old setup, and it seemed to help out. I too was running the zz9 cam,and Trick Flow heads. And had a lot of luck with it. I have a set of 8- 1.52 and 8- 1.60 Pro Magnum Roller rockers I am selling. They are for the 3/8" stud. This mod works, and worked really well with my supercharged setup. let me know if you want to work something out with those rocker arms.
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