the weak point in a h22 has nothing to do with the strength of the cylinder wall, it has to do with weak ring lands on the pistons. and Frm is not compatible with forged pistons. so if you could run a forged piston in a closed deck h22a1 or h22a the power that it could take would be huge.
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i once felt bad cause i had no turbo!! then i met a man that had no VTEC.