How to port your Internal Wastegate (Garrett GT25/GT28)

A quick guide on how to port your internal wastegate to eliminate boost creep & aid boost control. In this video I'll be porting the turbine housing of a GT2871r. If you're interested in having your turbo ported or require a rebuild, head over to www.onboostperformance.com or send me an email at contact@onboostperformance.com and I'll be happy to help!