quote:My old stock booster was not holding vacuum and my resevoir was leaking. Thats why I decided to replace it. I was leaving the p valve in place just for simplicity. I'm not very experienced with brakes so I appreciate all your input.
Hi Sean,
If your brake system is stock then leaving the proportioning valve in the system isn't a bad idea. I wouldn't recommend removing it until the rear calipers are upgraded.
Take care, Scott