i have never done it, but having read here about others, i can say for fairly certain only that it can be done with the head on the car and it is not too difficult.

are you sure you need to change them?

what symptoms are you having and how many miles etc.?

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.