1989 suburban twin turbo cummins

[mr.chevyblack]

just finshed put compound turbos on my 1989 chevy suburban htt 62-65-14 over a s-475 runs awsome should be 650-700 rwhp now was 595rwhp 1565tq now has twins and larger injector with water meth injection still have factory ac box a lot of time building, welding, grinding went into all of this in my shop!!!