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  • Roy Ale
    Roy Ale replied to the thread TH 250 C trans.
    OK thanks , i looked up BOP Buick Olds Pontiac . Also says bolt pattern is different than Chev . Do all BOP TH 350 s have...
  • T
    TeeBone replied to the thread Water pump pulley.
    I have pics I can send.
    • IMG_20230522_054356301.jpg
    • IMG_20230522_054155067.jpg
    • IMG_20230522_054114574.jpg
  • Olds 307 and 403
    Olds 307 and 403 replied to the thread Water pump pulley.
    Hmm, never seen a 307 with one groove on the water pump. Usually two with a bigger groove for the air pump. It has been years since...
  • T
    TeeBone replied to the thread Water pump pulley.
    It's wobbly and squeaky. This is one groove.
  • Olds 307 and 403
    Olds 307 and 403 replied to the thread Water pump pulley.
    Is it damaged? I might have one, does it have three grooves with one slightly larger at the back?
  • T
    TeeBone replied to the thread Water pump pulley.
    It has power seats both side, a/c, power windows, door locks,
  • Olds 307 and 403
    Olds 307 and 403 replied to the thread Water pump pulley.
    What accessories do you have? Any letters on the pulley?
  • T
    TeeBone replied to the thread Water pump pulley.
    Can you help me find the parts I need?
  • Olds 307 and 403
    Olds 307 and 403 replied to the thread Water pump pulley.
    You need a matching set to work properly.
  • Olds 307 and 403
    Olds 307 and 403 replied to the thread TH 250 C trans.
    Sorry you need a BOP case with the short tail shaft. The Chevy case has a peak in the top of the bell housing, the BOP a valley. If...
  • Roy Ale
    Roy Ale replied to the thread TH 250 C trans.
    So you got 450 , 000 km out of the TH250C trans behind a 307 . Where i live in all directions there is a steep hill climb. And...
  • Olds 307 and 403
    Found screws for the sensors. Looks like a LS style IAC and a TBI style TPS. I pissed around with getting full throttle and smooth...
  • Olds 307 and 403
    I think the choke is finally dialed in on the Qjet. I had to add two washers behind the choke housing. I was leaving it slightly loose...
  • Olds 307 and 403
    Hey man, how you been doing? IDK if you know what happened to my 403 after it was rebuilt, and rebuilt again. It's a whole story. I...
  • Olds 307 and 403
    Olds 307 and 403 replied to the thread TH 250 C trans.
    Just the matching converter if it is a non lock up trans, they won't swap between lock up and non lock up. Just remove power to the lock...