Wayne wrote: >Question re. flywheel resurfacing: Is the B13 SR20 flywheel flat, or does >it have a "step" machined in? I asked ACT about the step on our flywheels and was told it is UP .007" The machinist I took my flywheel to said that steps that need to be preserved are ones that sink DOWN into the flywheel. He resurfaced mine flat and its held the turbo for ~10k mi no problem. -Julian '92 NX turbo & '92 SE-R