Quote:
Originally Posted by Murlo26
The class is made for the larger appearing stock frame turbos basically. All of them should be MHI turbo based i'd assume.
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This is what I gather as well. If one were to fix a HX40 housing to a bolt-on turbine, I think there might be a judgement call enforced.
I know the "U" class was designed under feedback from a lot of us here to accommodate the most common type of turbo built car you would see on the street, while keeping it competitive for those who do have fully stock turbos (evo SRT MS3), in standard "SA"
While I've seen nothing prohibiting a massive bolt on setup, I think the gentleman's agreement here would be to run in a faster class. I know I would if I had a 60lb/m turbo on a lighter car.