What did you do to your NBS GMT800 Tahoe/Yukon Today?

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Devilmk4

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Joined
Aug 16, 2016
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Not no more. Gonna rebuild the motor next started to look for 243 heads and lq9 pistons and rods.
 

dszx13

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Joined
Apr 8, 2017
Posts
262
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Was having a shudder problem between 40-60 mph. Trans shop but a new valve body in so all is well. Hoping to get it cleaned up this weekend.

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