Go for 400
400 is a lot more achievable. A sportsman's fogger dialed up to 150hp and all the other nickel and dime bolt on goodies could get you close to 400. Check into an aquamist system. May or may not need to rework the bottom end, at least to start. To get to 500 you would be looking at twin intercooled turbo$ and everything that goes along with that. Realistically though, just buy a small block V-8 crate motor and tranny to match, and make that work. But then it wouldn't really be an SVX. Good luck and let me know if you need a spare motor.
Stephen
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92 Ebony - Level 10/n2o REAR-ENDED
92 Teal - painted yellow/4.11 5spd/n2o SOLD
92 Claret - 4.44 SOLD
94 Barcelona - FWD SOLD
92 Ebony - 3.90 SOLD
94 Laguna ROLLING w/4.44s/Ecutune ECU +TCU/STI springs/Infiniti M45 rims
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