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  1. Buick Mark

    Fully restored 87 Turbo T, Dark Blue W02

    Beautiful job, nice color, and great detailing!
  2. Buick Mark

    Smoke on startup

    I had my guides cut for seals and the exhaust valves replaced with valves with a smooth stem....... no step. I too got tired of the oil burning in the exhaust.
  3. Buick Mark

    3.8 Stock bottom end 500 hp????

    Numbers dont break anything, DETONATION will.
  4. Buick Mark

    1983 T-Type

    Need WAAAAAAAY more info. Could be anything, carb, wiring, hoses (vacuum leak) etc
  5. Buick Mark

    Finally got the engine out, what's recommended?

    Seal your leaks, do nothing more. Leave the heads on!
  6. Buick Mark

    Clearance from bump stop to frame

    Just curious, for you people that have stock springs, how much clearance does your bump stop on your lower control arm have to your frame? Years ago, I replaced my front springs on my 87 GN with stock springs (dont remember the number) and I only have about 1 inch between the bump stop and the...
  7. Buick Mark

    Hissing from right front speakers

    Im getting a hissing noise from the right front dash speaker and right door speaker in my GN. The radio is a Delco concert sound II with EQ. The volume control has no effect on it, its a steady hiss. Everything else works fine. The right rear speaker is fine also, no hiss. Any ideas?
  8. Buick Mark

    Speed Pro L2481F Pistons

    I just bought a set of Speed Pro L2481F forged pistons to replace the Forged TRW's in my GN due to the wrist pin oiling problem they have. I ordered Forged Speed Pro's, but the underside of the piston looks like a casting, they have a rough surface finish like a casting, NOT the smooth finish of...
  9. Buick Mark

    Decking block for near zero deck height

    I know decking a N/A block for near zero or zero deck height does everything good for compression and to ward off detonation due to the better quench area. If you did this to the turbo engine, yes the compression will increase maybe a point and a half or a bit more from the stock 7.8 to 1, The...
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