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I'd like to beef up my engine, but so far I haven't got past the sticker shock, much less have any discretionary cash to save up.
I know I would go to the next larger variable guide van turbo, I'll stay with VGT and avoid the code issues.
I'd also go with the large bore exhaust gas cooler versus a delete kit.
I'd upgrade to head studs and metal gasket, plus the oil pump rotor.
I don't know if I'd do the stage one injectors and fuel system enhancements.
I wonder if I'd still pass the emissions SNAP test with the larger turbo?
I don't know if the larger compressor wheel coupled to a stock turbine wheel would help me pass the test or not.
I'm thinking the larger compressor wheel might keep me lean, yet the stock turbine trying to drive that larger compressor wheel adds more turbo lag and I go all that much more rich.
Then after the stage one injectors are installed I guess I'd definitely need a tune to restrain engine fueling during a snap test.