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Re: 87 Chevy Crew Cab 4x4 Converion/Cummins swap
Quote:
Originally Posted by Chevy3+3
I swapped an NV4500 into my truck. It hadn't been ran in a while because the truck was wrecked but had about 10K on a rebuild. I bought it from the guy who decided to part out his truck. It made a little noise but anything with gears is noisier usually anyway.
I decided to change the oil in it. They recommend filling them 1 qt over the fill plug. The last quart will need to be added thru the shift tower. You can't use just any gear oil. Most everyone says use GM or Dodge oil. It is worth the price of gold at about $30/qt. I actually used Amsoil MTG. It is specifically formulated for the NV4500 transmission and I got mine bought for around $12-13/qt. I have not had any problems with it and my transmission has gotten quitter and shifts smoother. I believe that Redline oil makes an oil specifically for the NV4500 also.
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He hit it on the head. I'd replace the fluid and see how it sounds. Over fill it a quart like mentioned. Midwest trans in Minnesota has the fluid and it is affordable too. The 5th gear synchro can get noisy on these things. I've had some be noisy for ever and ever.
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Ryan
1972 Chevy Longhorn K30 Cheyenne Super, 359 Inline 6 cylinder, Auto Trans, Tilt, Diesel Tach/Vach, Buckets, Rare Rear 4-link and air ride option Build Thread
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1940 Ford 354 Hemi 46RH Ford 9" on air ride huge project
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