Its cast into the housing at the inlet, on the compressor back plate side. If its a .84, its gonna say Garret as well. the 1.0 is a TN peice, the .84 is a stock housing machined to fit the Turbine wheel of the TN.
2000 F350 205,000
STAGE II SPLITS 100%
BTS VALVE BODY
Im pretty sure i had to upgrade to the 1.0 when i ordered my TN JB from black widow. I just went back and checked my cart on there website and it does show that the 1.0 was a option.
02 F250. Turbonetics, SRP1, Tim from P.I.S built Hybrids, Built Trans, Afe Stage 2, HPX line. Tuned by Jonathan from Beans, 4 inch exhaust, with the muffler. Triple Phantom 2 gauges. Forged Rods and with another block. 500hp.