Yes i love my suncoast, ive had to refreshen it by putting new clutch packs in once, but ive put about 60k on it, with probably over 100 12second passes and many of them low 12s, and 50 or more sled pulls. Its defenatly held up good.
I know this thread is kind of old, but im a member of the dieselplace.com i go by Rhall also. Im also Rhall on duramaxdiesels.com, dmaxcentral, and a couple other smaller sights.
Rob