Yeah it would fit. And then you'd be running lower displacement with the same rod ratio as you have, with a heavier engine, with a heavier rotating assembly. You'd also need to run a standalone ECU, you'd be stuck with direct injection which quadruples the cost to add performance and has many non money drawbacks (DI gains are at fairly low power per displacement, and more for emissions), need to change transmission or make an adapter plate, may need custom gauges depending on which standalone you used, and you'd be at the power level a stock 4G69 with an ebay turbo slapped on it does. They do 375hp crank at 26psi boost factory, we do about the same at around 10-14psi
Unless of course you live in a region where the GS Sport was the sun and sound package, and auto trans, in which case, no, it won't work with your transmission, and a turbo 4G69 won't be worthwhile either, as you'd have to cap yourself around 5psi boost, making a GT more viable.
Or if you have a GS auto like me, just do the bolt ons and enjoy it “as is” and for “what it is”
A reliable daily driver cool looking sports car
My WRX is my street monster
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