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Old 04-07-2016, 11:13 AM   #295
Chevy3+3
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Join Date: Oct 2013
Location: Winfield KS
Posts: 489
Re: Polar Bear Suburban

Quote:
Originally Posted by 68post View Post
What are you using for fluid ? Because they are extremely picky about their fluid. Amsoil ? GM/Dodge trans fluid ?

I'm having a problem that may not relate to my NV4500, but it would have to be the transfer case if it isn't the trans ( I need to search the web again to refresh myself of the NV4500's problems and their symptoms).
http://67-72chevytrucks.com/vboard/s...d.php?t=697706
After reading countless articles about the oil I determined that no one has had any problems with the Amsoil MTG 75-90. My GM dealer wanted $30/quart for the recommended oil #12346190. I chose to put in the Amsoil as I read lots of people having great luck with it. I got it bought for $12.31/quart. When I got the bottles of Amsoil it says on the bottle that it is a direct replacement for GM #12346190.

That's good enough for me. Only time will tell. I may buy some more and run it iny np205 t-case.

By the way.....I didn't mean to hi Jack Dirty Larry's thread. If anyone has any questions for me please PM me and not post here. I want this thread to remain Larry's and his badass Polar Bear Suburban.
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88' Chevy V30 3+3 4x4 Dually 454 TBI/NV4500/NP205
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