My IROC was my first car as well.....don't plan on ever letting it go unless there's a catastrophic accident.
That was the spot for my first "ahem" also. Here's a tip for anyone else who tries it in a third gen.....pop the tops out for more head room!
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com