RB20 feels like wastegate opens and releases all boost

A forum for owners and fans of the legendary Nissan Skyline and Nissan GTR.
RBS14zenki
Posts: 1
Joined: Tue Feb 06, 2018 5:40 pm
Car: 1998 Nissan 240sx S14 with an rb20

RB20 feels like wastegate opens and releases all boost

Postby RBS14zenki » Tue Feb 06, 2018 6:18 pm

Hi I’m helping my friend with his s14 with an RB20 swap. When I reach 10ish psi the wastegate opens and it feels like it loses all boost rather than holding 10 pounds. Has anyone had this problem before? Any advice? Thanks


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