Yeah, I dug mine out too! Also dug out a Turbo magazine from Jan of last year. Dyno Cell 3 part article on the GVR4. MAd HP from it with three mods! K&N, downpipe and exhaust showed a 35hp gain and 55ft/lbs! All for under 800 bucks!

1991 GVR4
Lots of mods done.