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Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by BigBri, Apr 29, 2002.
Does anybody know if the SM465 4-Speed transmission has straight cut or helical cut gears?
Straight.... check my pics....
Hope that helps! Why do you ask?
I just wanted to make sure that the subtle whining sound coming from the tranny wasn't worn out bearings or too much clearance between the gears. As far as I know straight cut gears always have some whine to them. That's why I asked .
Thanks for the help,
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