I used it, and I used hardener and reducer when I mixed it. I followed the directions exactly, and it turned out good.
96 TA M6 - Under the knife for a complete rebuild, LS swap, and BOOST
2002 Camaro SS - Mamo 383 - Pat G Tuned
2002 Torch Red Z06 - Stock, for now
2015 CCSB TX Edition Silverado