Originally posted by boostlee
the h22 make more torque and hp at a lower rpm than the b18 also so the power comes in quicker
lowering you compression with a head gasket for turbo works fine if you tune your car right
it only gives you less power if you run low boost but the reasoning for lowering the C/R is so you can run 9+psi and the car can handle it more reliable because lower compression engines are more boost friendly
if you run high compression and turbo, you really have to fine tune the car and be careful how much boost your pushing
a B18 turbo with 10.2:1 compression boosting 6-7psi at 8100rpm can work but will leave very little room for error
what i don't understand is y some people are buying hi-compression vtec motors and dropping the compression to put turbo. i guess they are trying to have the best of both worlds.
Boost Lee Turbo Prelude 
well, if you buy an h22a, there is 170whp right there....with boost, a reliable 220whp if tuned correctly.....an h23a1 would need what, 10-12 psi to make that much whp? but either way, you'd have to put more stress on the internals and they're not meant for it....the h22a would be less stressed and obviously both would have a shorter life, but ehh.........and i'm sure gas mileage would differ enough to matter too......driving it daily would mean being able to stay on the low camlobes a lot and saving a bit of gas in the process instead of staying on one cam designed for either or