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Re: Envoy / Trailblazer 4.2 Exhaust Manifold Bolts
Posted to Technical Discussion Forum on 5/13/2019 2 Replies

Having grown up near Grand Rapids. My nickname here is Michigan Steve. I use flanged nuts 8MMx1.25 and I Mig weld the center of any that break. After 10 attempts they get left hand drilled out.

My personal F250 (6.0) had 3 broken bolts all flush it took 38 a... Login to read more.

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