We have done more supercharging than most. We have 20+ in EFs. I had a SC GSR in my CRX in 1999 ( Which I beleive was the first).
200+whp on an LS is pushing it . The main reason the blower is an M45 which doesn't have alot of CFM to get your goal. You could mad an M62 from a Vtec SC which would get you into the 220-230 but that would be about it .
If your set on a SC , Go Vtec and you can run 240-250 no prob.
On a side note, Most belt issues are from spining them so fast they expand and basically climb of the pulley.We produce a 5rib kit for the superchargers to combat belt problems, we still had issues once the SC hit around 18,500 rpms which is what it took to hit 300 whp.
We just finished a Turbo on a B18A which made 213 whp on 7psi with a GT2871R and had a very fast spool.
Good luch with your decision.
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