Talk:General Motors transmissions

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(TH200, TH2004R transmissions)
(TH250C)
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====TH250C====
 
====TH250C====
Be careful to not be fooled into thinking a TH250 is a TH350. The TH250 looks almost identical to the TH350 externally- same size, same oil pan. Unlike the TH350, it has a band adjuster stud and lock nut on the passenger side of the case near the cooler lines. The oil pump does not have the intermediate clutch piston, clutch pack, and associated forward clutch drum. Some 1974/75 Chevrolets (Camaro, Nova, Monza, Vega) used with the Vega 4 or inline six will have a TH250 which was a replacement for the Powerglide after it was phased out of production; it was reintroduced in 1979 as a TH250C with a lockup torque converter and commonly used with a Chevrolet 90 degree V6 (200/229 exc. the 4.3L) or Buick 3.8L (Series I). The reintroduction of the TH250C was in response to the failure rate of the TH200 when it was used with a V8 motor (Chevrolet small block and/or Buick/Oldsmobile/Pontiac V8s - usually with a minimal 5.0L displacement)
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Be careful to not be fooled into thinking a TH250 is a TH350. The TH250 looks almost identical to the TH350 externally- same size, same oil pan. Unlike the TH350, it has a band adjuster stud and lock nut on the passenger side of the case near the cooler lines. The oil pump does not have the intermediate clutch piston, clutch pack, and associated direct clutch drum. Some 1974/75 Chevrolets (Camaro, Nova, Monza, Vega) used with the Vega 4 or inline six will have a TH250 which was a replacement for the Powerglide after it was phased out of production; it was reintroduced in 1979 as a TH250C with a lockup torque converter and commonly used with a Chevrolet 90 degree V6 (200/229 exc. the 4.3L) or Buick 3.8L (Series I). The reintroduction of the TH250C was in response to the failure rate of the TH200 when it was used with a V8 motor (Chevrolet small block and/or Buick/Oldsmobile/Pontiac V8s - usually with a minimal 5.0L displacement)
  
 
===General information===
 
===General information===

Revision as of 17:49, 4 October 2016

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