My car and a few Holset questions
 

1967 GTO
Twin HX35's on a 461 pontiac motor
Solid cam, TKO600 5spd transmission
Spools around 3500 in first. Scary when it does so.
I'd like to push that down to 2500 or so
YouTube - Latest Turbo GTO



these HX35's have the 12cm exhaust housing.
Anyone know if a 9cm housing that I can use? Without paying $300 to bullseyepower?
I'll make them work...as long as they fit the hot side of the turbo
Be it an h1c, hy35, etc etc housing I may need to use?

After much searching, it appears i may be stuck to buying a custom housing

Oh, and Hi.