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  1. J

    200-4R 2nd Band Release hole

    Can anyone tell me which hole is specific to the 2nd Band Release?
  2. J

    TH200-4R Accumulators - which is the 1-2?

    On the TH200-4R, the accumulators are on top of each other separated by a plate. Which one is the 1-2 and which one is the 3-4? Reason I ask: I've been troubleshooting an intermittent second gear start. I did two things so far since they were easy to get to without pulling the valve body: 1...
  3. J

    87 GN at Museum in Eagles Mere, PA

    Was at a Cruise-in in Eagles Mere, PA this weekend and toured the museum at that site. 87 Grand National on display with 48 original miles. Still has the plastic on the seats. Here's some pics
  4. J

    Th200-4R: Ok to run in OD with converter unlocked?

    I tried searching but couldn't find the answer. I know some early GM overdrives should not be run in OD with the converter unlocked because it starves part of the tranny for oil, but which transmission and years does that apply to? I have a TH200-4R with lockup. It is a CZ from an 86 Monte...
  5. J

    OE Cushion Spring Needed

    I am in need of an OE Servo Cushion spring. It seems they are no longer available from GM and none of the GM Internet Parts places seem to carry them. Does anyone know where can I get one? It is for a 1986 Monte Carlo TH200-4r if that helps. (CZF Code). It seems when they put in the billet...
  6. J

    TH200-4R Intermittent 2nd Gear starts

    Hi Guys...came over here from Nastyz28 forum because you all are the experts on the 200-4R. Two issues I need input on: 1. Sometimes I get an intermittent 2nd gear start. I suspected a pressure issue so I reinstalled the pressure gauge I used when I first set the TV cable up. The O and D...
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