Advice to upgrade valvetrain
i got a gsr motor and planning to work my head. I was thinking about going ITR valves, with either with itr/blox valvespring & retainers..n imma be running on ITR cams, mayb. Is this an ok upgrade for low budget?Are there gnna be any cons?
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510kali
All Motor / Naturally Aspirated
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Dec 9, 2010 02:37 PM



