Nice driving, you missed a couple of those cones buy about 1 inch. I use the HP+pads on my Coupe and they do bite better, but they make a lot of brake dust and can be hard on rotors and are not recommended for street use.Some of the Auto-x guys around here also use Porterfield pads, do not know about them but a few have switched from Hawk HP+ to Porterfields. Might post a question here with specific brake info about what is recommended. Some very fast Auto-x guys hang out here. I'm not one of them but I'm trying!!
Bob I believe that is reading line pressure which tells me he needs more rear caliper. That is what you just experienced. I also ran my CNC all the way rear trying to get more rear brake and the car had no brakes.
With the PBR rears you should be able to run fairly even line pressures front and rear.
Do you have the 13" PBR setup on the front? If so then my trace of my bracket should be all the machine shop needs to cut out a bracket. I don't think there is enough difference betweeen the 12" and 11.65" rotors as long as they will fit over the hubs.
The HPPlus are a significant step better than the HPS. I credit them on the rear (HPS on the front) w/ giving me a good system.Perfect balance and decent pedal effort. And that is w/ GT front calipers and Cobra rears and a CNC dual MC.
FFR 5353K,351/400hp,TKO 500, 3-link w/3.08 and Truetrac, Koni DA coilovers front and rear,APE hardtop,Forte front and VPM rear swaybars
I used carbotech 10s on front and 12s on the back (spec) with the valve on the front and it worked out good. Also I try to keep steady pressure on the gas and adjust my speed with left foot braking and easing on and off the gas. It keeps the car settled better then getting on and off the gas totally. It takes a little while to get used to it. Good video.
I still have some clamping problems, but I am convinced the rotors are not true. I remember the PO did not line up the caliper to the pin on the pad, and they were that way a long time. I did order another set of rotors and should have that straightened out by the Super Shootout in Charlotte April 20th.
I am having a hard time finding a good break with my work and travel. I found a machinist that is actually excited about making brackets, but as you know the axles have to come out to get the old brackets off. And I might as well swap out the trac lok while I am at it..
FFR4615 is Sold!! 818 next up. 818R Build Blog
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