This is great! I never thought my question would generate such a response.
The rear wing on the Formula is standard equipment, but an option on GT's(is that weird or what?) but it lowers drag by .02 (yes, it really does somethong other than look good...just not very much)
Getting camber on the front of an 84-87 is tough, but the '88 is much better. I ran -1.5 on mine for street/autocross with room to spare.
Remember, the '88 has a suspension and brake design unqine to its model year. It is a massive improvement over the 84-87 cars. I have owned both and there is no comparison. The brakes are the same for all '88 models, suspension varied slighty with spring rates, sway bars, and alignment specs. 4 cylinder cars did not have a rear sway bar. Formula and GT cars were the same underneath except the tires. '88 cars were stuck with 6" wide wheels in the front versus the 7" of the 86-87 GT. But with ITA allowing 7" all around, this helps the understeer issue a bit. I also found that NOT taking weight out of the front seems to help keep it planted too.
Both 4 and V-6 cars suffer from the same thing, overweight and underpowered (typical GM) and don't seem too popular here I am finding.
But I may give it a shot anyhow...Good V-6 cars are sort of expensive, and I'd hate to tear one up, so I'll most likely build a 4 banger for ITB.
Yes, buying a completed car is much smarter, but the build is 1/2 the fun right?