[Jerry Clayton]

OK---I have tried to lead/guide you thru some brake basics---in this day and age of anti skid/traction control equipped cars, people lose track of basic principals---in your car you have a simple vacume boosted master cylinder---which is affected by engine vacume---your comment about it has plenty of vacume does not put a number on how much vacume that it does have, which is a valuable piece of info toward solving a brake problem on a high performance car.

But moving on--you haven't come up with pressure numbers at the calipers, sizes of the calipers, or corner weights of the vehicle.

You want to ignore the Dot 5/ dot 4 issues-----

You want to ignore if the calipers are the correct size and same side/side

You want to argue about the rears doing there portion of the braking by saying its the front locking up---

Now, a couple of basics for you----hydraulic pressure MUST be equal side to side
Calipers must be equal side to side

The front do more braking than the rear, so if the rears are weak, the fronts lock up first---
A brake system should be set up where the rears will start to lock before the fronts

Rob--sorry if this came across a little rude, but it is important basics about solving your problem, I got yelled at for taking a maple frosted donut, spilled my coffee, and we're out of treats for the dog, sky is dull, cold and looks like rain(maybe snow around the corner)