KultZero, you'll have a bit of a hard time finding a good condition 89+ for under 8k. maybe try and get something older and then get the bumpers, light covers, spoiler and such from a 89+
major changes are hard to spot unless you know your supra's, but if you see two parked beside eachother its easy enough to spot....
89+ body style(also my car)
86.5-88 style
this guy did the conversion from a 87 to 89+ body style..... altho i think he crashed it
hope that sorta helps...
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btw thanks Nashman, i'll probably wire up the boost gauge soon