Boost Switch ?
Lotsa posts/threads on this topic. Start here:
https://www.f150online.com/forums/sh...threadid=53121
https://www.f150online.com/forums/sh...threadid=53121
No.....
there's no 'switch' that will give you more boost. What you're thinking about is a solenoid that you can disconnect which will keep the PCM from dumping boost at high revs.
If you want more boost, get one or two s/c pullies--lower or upper & lower--you will get 2-8 more lbs of boost.
Dan
If you want more boost, get one or two s/c pullies--lower or upper & lower--you will get 2-8 more lbs of boost.
Dan
Also check out this pages, scroll down to boost actuator adjustment, it works
http://home.midsouth.rr.com/lightningpage/tips.html
http://home.midsouth.rr.com/lightningpage/tips.html


