Originally Posted by
Snoopy
is there a way to convert the 18g or whatever size turbo in the greddy kit to external wastegate? or did you mean upgrading the turbo?
You can run any internally wastegated turbo on an externally wastegated setup. The internal wastegate flapper needs to be welded shut or removed and a new manifold with an external wastegate flange welded onto it needs to be used.