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I’m selling my 1986 Buick Regal Grand National T-Type. It has GNX fenders and front splitter. Stock wheels with BFG retro radials in the front and Mickey Thompson ET streets on the rear. Engine mods: -68 mm turbo -Full length headers with 3.5 down pipe -External waste gate -60lb Injectors...

hello turbo Buick guru's. I just recently purchased a 86 gn with 97k miles on it and it has been running great, with that said i took the kids to get some ice cream today and noticed the o2 millivolt on the scan-master was reading higher then normal on about a quarter to half throttle it was...