Originally Posted by Jeep2Xfire
I go to UTI in Exton, PA and we have this kit @ school.
We had this kit on an 05 Pontiac GT slOw. with the 6.0L block. There is a dyno @ school. The instructors installed it during an open house for parents students, and future students to see. The car was totally disassembled beforehand to allow the install in one day. That block ended up being toast. Don't think is was any errors in assembly or mfg. They ran runs @ something like 4psi and raised it in incrememnts. From what I heard the block "developed it's gaping hole alongside cylinders 2 and 4" in the area of 10 to 13psi. not even one atmosphere!! The power put down was in the area of 600 if I'm not mistakes. This GTO since then has a new block and no STS turbo kit on it.
sounds like they just kept pumping the boost up without monitoring the air fuel ratios and exhaust gas temperatures ... you can make a window to the inside of your block with stock power if ping is not kept in check. adding boost creates extreme heat as compression of air generates a huge increas in intake air temperatures that GTO would of seen. being on a dyno even with a good industrial blower fan going at the rad and intercooler is just not the same ... add that to possible tuning problems, air fuel ratios leaning out, or EGT temps climbing above safe limits ... presto.