I would not hesitate to do it without rebuilding calipers and such. No harm in trying. I always do it the old fashoned way. I have never had a problem with hyperextension of seals.

I once had a spill with a power bleeder and after wiping brake fluid off the ceiling of my garage, myself and my collector car, I lost all enthusiasm for the small amount of time saved by the use of them.

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.