Reply to "How sketchy are the stock valves?"

bosswrenchMember

Perry, stock iron 4V heads weigh 60 lbs each plus the weight of all steel valves, springs, retainers, pivot-studs & rockers. I use block studs to hold the heads more securely against blown head gaskets but they preclude pulling even my aluminum SVO heads with the engine in the car. As for those stock GTS headers not fitting some alloy heads, it's the bolt pattern in the header flanges that doesn't match up. If you own a drill and some hand skills, that can be remedied at home- as I did on mine in the '90s.

11/19/199:52 AM

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