by gman07 » Mon Jul 02, 2007 9:36 pm
It's a bit smaller than the Big Brother, but it should spool better. Check the diameter of the compressor wheel on the K31; many twins use a 71mm or 74mm compressor. The K31 is a good bottom turbo IMO.
1992.5 W250 pump tweaked, straight pipe, gauges, 3200 Gov. spring, AFC lever partially ground, timed at 1/8", Fuel pin ground, BHAF, HTT Stage IV H1C/E 60/12wg (ported), Transgo shift kit, KDP clothes-hangered, 202,000 miles - 36psi, 1250°