upr power pipe and race bypass

[88 novi]

i am useing bosch 114 bypass and think it is time to up grade to a vortech race bypass 2 bolt flange type.i have upr power pipe can u still use 1 inch hose,the one the bosch is useing now or what?i have 8 inch crank and 3 inch pulley combo and make more than 15psi of boost,gage is jumping around, and belt is tighten at 100ft.what do you guys think. 88 novi

[88 novi]

i am useing bosch 114 bypass and think it is time to up grade to a vortech race bypass 2 bolt flange type.i have upr power pipe can u still use 1 inch hose,the one the bosch is useing now or what?i have 8 inch crank and 3 inch pulley combo and make more than 15psi of boost,gage is jumping around, and belt is tighten at 100ft.what do you guys think. 88 novi

found my problem with boost gage needle jumping around, it was the belt slipping.this time when tighting the belt it was a two man job work great. novi 88