MY 1989 CHEVY 30 VAN CHASSIS WITH CLASS C CAMPER...

  • Tiny
  • Anonymous
  • 1989 Chevrolet Van
  • 35,000 miles

My 1989 chevy 30 van chassis with class c camper on it has a 350 eng. 3 spd auto tranny seems like it is very high rpm at 55 mph and bad gas mileage too, can I swap out the 3 spd tranny for a 4 spd and get lower rpm and better mpg? And what tranny would fit? Thank you

Thursday, January 3rd, 2013 AT 1:31 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,550 posts

Yes you can. You can use either a 200r4 or 700 r4 as well. You will need a adapter wiring kit for the torque converter clutch. Check with a trans shop for details.

Roy

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Thursday, January 3rd, 2013 AT 1:32 AM

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