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Question my trailblazer 5.3l locked up so I got another motor 8th digit of vin match now my question.This motor I got oil pan is.different it has a hole going through the middle of pan not.sure.if.it.for a.half shaft and.the sump is in the front my old motor is not like my sump is in the rear now can swap pans.
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That hole is for the front axle on a 4 wheel drive truck.
Just use your old oil pan
 
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