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Todd Geisler · 12-27-2015, 08:54 PM

Just got my new brakes from Lamb. In conversations with Roger he told me a few things.

1. he does not believe in reducing front brake pressure via an adjustable proportioning valve.

2. for 4 wheel discs, 4 piston caliper they recommend a 1 1/8" master cylinder.

I can tell you from my experience building cars, we never use residual pressure valves on cars where the master cylinder is on the firewall. The RPV is only used when the master cylinder is mounted on the floor.

12-27-2015, 08:54 PM	#10
Todd Geisler Member Join Date: Feb 2002 Posts: 328 Likes: 64 Liked 345 Times in 149 Posts	Re: Porportioning Valve Just got my new brakes from Lamb. In conversations with Roger he told me a few things. 1. he does not believe in reducing front brake pressure via an adjustable proportioning valve. 2. for 4 wheel discs, 4 piston caliper they recommend a 1 1/8" master cylinder. I can tell you from my experience building cars, we never use residual pressure valves on cars where the master cylinder is on the firewall. The RPV is only used when the master cylinder is mounted on the floor.