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Mod | | | Forums66 Topics128,149 Posts1,056,818 Members48,456 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Aug 2008 Posts: 10 New Guy | | New Guy Joined: Aug 2008 Posts: 10 | Two questions:
Is 90 weight still the preferred oil or is an 85/140 better for this tranny?
With the shifter removed, can the oil be poured down straight from the top or does it need to be squirted through the side plug? (Sorry if this is a stupid question) | | | | | Joined: Feb 2006 Posts: 1,867 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 1,867 | Use the plug so that you dont overfill the tranny and blow the seals out. Or pop the plug and fill it from above until it runs out the hole. 90w has always worked for me.
Jeff | | |
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