could be intake manifold gasket, i just had both mine replaced but it was pretty obvious that was the problem cos i could hear a vacuum leak.
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White 1989 5sp Turbo Targa
shimmy wastegate 3 washers, 3" exhaust 2 1/2" piping, raised hood 24mm, R1 diamond drilled/slotted rotors
Momo short shifter, White Glow Gauges
Panasonic CQ-C7105U MP3/CD deck, 2x12" Rockford Fosgate HE2 subs, Pioneer GM-X922 amp
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