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  1. K

    gn seems very rich at idle (soot from exhaust)??

    I had a very similar issue with black exhaust on the driveway and it never seemed to go away. It was very bad when the engine was cold and smelled way to rich at cruise. I eventually traced it down to an exhaust leak just before the o2 sensor at the turbo to up-pipe flange. I took a length of...
  2. K

    slight sheetmetal warp below exterior door mirror base - common issue?

    Wondering if this is a common issue with all regal owners. Noticed a slight warp below where the outside door mirror meets the door skin. More noticeable on black paint. There is also the same warp on the passenger side door as well. Was this a gasket issue or just a design flaw? Anyone...
  3. K

    Looking for pinout of the 92 Riviera Digital Instrument Cluster

    My father has a Riv and I was wondering the same thing! Wouldn't it be nice to install the riv digital dash with my 86 GN dash. I also wondered if anyone ever attempted this before?
  4. K

    55,000 mile 87 GN

    Are the rear tires 255x60 or 255x50?
  5. K

    April Contest! TurboBuick.com GiveAway AGAIN!!!

    Please count me in also!!:smile:
  6. K

    Here we go again, MARCH GIVE AWAY!

    Please sign me up too!!!!! 8->
  7. K

    Using dry ice for shallow dents

    Anyone heard of using dry ice to pop shallow dents back into place. I was thinking of trying it on the hood at the center crown and one shallow door ding. Will it crack the paint? Would it be better just taking it to a PDR shop? :confused:
  8. K

    Thrasher chip and Coolant Temp reading

    I just installed turbometerpro and for now just used it while the GN was parked in the garage to see if it worked while the key was turned to "on". One thing that struck me as odd was my coolant temp reading was 165 while the car was off and engine was cold. Does this mean I have a bad sensor...
  9. K

    13 Mpg???

    I had the same problem. I was checking around the engine bay for problems with a flashlight and discovered my turbo to header flange was leaking 3/4 around the flange. Took off the turbo, looked at o2 sensor (it was black indicating the rich condition) and filled the flanges flat (it had 4...
  10. K

    Testing EGR solenoid?

    Is there any way to test the EGR solenoid with a mity vac to check for correct operation? What steps are needed in order to do this? I tried testing the vacum port directly on the solenoid but it did not hold any vacum.
  11. K

    passenger side header to turbo seal?

    Is there supposed to be a passenger side header to turbo seal? I also saw traces of black nearly all the way around the header to turbo flanges. I put my hand there when first started up and could feel hot exhaust leaking out with a slight tick. I see no evidence of any kind of gasket there...
  12. K

    Thrasher + altitude = ? fuel pressure

    87GNcospg, I live in the Loveland-Ft.Collins region. Good to finally hear from some fellow GN owners here in Colorado! I need some tips from some of you that owned these cars for a while. I only had mine for a year and love the thing! I should have bought one sooner! Anyways, I will...
  13. K

    Thrasher + altitude = ? fuel pressure

    I lowered my fp to 44 and was shocked to see that my car ran better. I will try your numbers and see what works best for me. Anyone know where I can get a used scanmaster? :)
  14. K

    Thrasher + altitude = ? fuel pressure

    I discovered I was running 40 psi fuel pressure with a thrasher chip. I raised the pressure up to the recommended 45 psi. Now my idle decreased and I am not pulling as much vacum at cruise. I also live at 4900 ft altitude and am unsure as to what is the ideal fuel pressure would be for the...
  15. K

    86 GN - What is this combo worth- ET's

    Pretty good times there XLR8, 11's at that altitude is damn good! Any good chips out there that are better than the thrasher? In the future, I plan on a ta-49 turbo and better THDP. Also need better exhaust. The car already pulls hard, could be the chip. Not that many gn's here in Ft...
  16. K

    86 GN - What is this combo worth- ET's

    Just wondering what this combo could do in the 1/4. It is a recent purchase and haven't had much time to play. Here is what I know it has: Stock turbo Adjustable wastegate Thasher chip Champion iron heads Art Carr trans ATR fuel pump w/hotwire kit Adjustable fuel regulator...
  17. K

    Digital dash question...

    I drove the GN for the first time in 4 months. Started on the first crank! Anyways, I could hear a clicking noise at very low speeds, none at a stop or cruizing. Sounds like it is coming from inside dash. Just wondering if the digital dash has some kind of speedometer cable that could be...
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