While I'm still new to the LT5 I'll throw my two cents in as a mechanic. Judging by your pics it looks like there is quite a bit of hot spotting on both the flywheel and pressure plate friction surfaces. The clutch disc doesn't look especially happy either. I'd see about having them resurfaced or replaced, unfortunately. Was the clutch slipping at all after it went together? Is there a bedding-in procedure (light use) that's recommended? How are your clutch hydraulics? Getting full clutch disengagement?
As for the gap you mention between the flywheel and pressure plate - I'm not sure if this is what you mean but if they're not bolted together yet the pressure plate springs will be fully extended, raising the pressure plate body off the flywheel, which is normal.
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