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1. 

   Need help picking a transmission

   I just bought GM lube at $20 a quart from GM's parts online.

   • Words: 13
   • pb4ugo
   • Post #30
   • Apr 3, 2023
   • Forum: 40- / 55-Series Tech
2. 

   Need help picking a transmission

   I run the 1st gen nv4500 with the 6.54:1 1st gear, SBC, & stk Tcase. I purchased the 40 in 96 and have only recently got it running. I've recently put about 1500 miles on it . The Trans and T/case is surprisingly silent. The only thing I noticed is you can easily pull it out of 3rd gear with...

   • Words: 94
   • pb4ugo
   • Post #23
   • Apr 3, 2023
   • Forum: 40- / 55-Series Tech
3. 

   Need help picking a transmission

   My street 40 runs a sbc, 1st gen gm nv4500. I installed 3.70 thirds to make it more mpg friendly with 33" tires. According to an rpm calculator it runs around 2000 rpm at 60, and 5th has plenty pull. The po did the driveline swap. It was done prior to 96, so the adapter is really long and the...

   • Words: 93
   • pb4ugo
   • Post #17
   • Mar 27, 2023
   • Forum: 40- / 55-Series Tech