I know this topic has been covered in the past. but the other night I was watching a episode of Graveyard Cars on Velocity channel. that show is about a restoration shop that restores MOPARS to what I would call NCRS standards. From what I can see on TV the cars they restore are top notch and very detailed. Besides the made up drama that is TV the owner of the shop was talking about using correct bolts though out the car. and the one was a TR head mark. While I should have guessed the suppliers for GM also supplied other car makes I never really gave it a thought. So for some of the "rare" bolts and screws we search for endlessly, were they used on other makes and models. Has anyone ever researched that? Now for the rare bolts I am talking about the 67-69 tir-power "FP" bolt ect.
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