How much boost while jaking 871

[gatow900]

(08-04-2018 )Brock Wrote:  Been wondering why my Jake's isn't working as well as it used to, just kinda noticed today it's only got 3lbs boost while jaking hard at 1600epm..... I swear it was much higher before.

This thing used to hold back super bees but now it won't even hold my tri axle. Boost is normal otherwise..... Gonna test it tomorrow, only other issue is my low oil pressure.

Exhaust leak between the turbo and cylinder head or weak turbo