Frame Vin decoding

[RPBurris]

VIN was stamped on the side of the frame rail and not on top. No vin was found near the power steering pump either.

[MusicMan70]

My 70 GMC does not have the stamping next to the steering box either. Is this the stamping you refer too. I don't believe this is a vin number. This was on the front passenger side frame rail.

[chewychevy67]

Originally Posted by MusicMan70

My 70 GMC does not have the stamping next to the steering box either. Is this the stamping you refer too. I don't believe this is a vin number. This was on the front passenger side frame rail.

my 67 GMC frame has a similar mark as this by the rad support with the "S" circled. I know my truck is a 67 chassis because it doesn't have the dimple for power steering and the lip is wider in the engine bay as 68-72 ate thinner to acommodate the 396. My truck wasnt made in st louis (according to my vin). thought this meant that the truck cane with a inline 6. not certain about that though. please correct me if your trucks with these "S" marks came with v8's. my vin also is nowhere to be found in the markings on the frame. its wierd. my frame has the #'s on the side of the frame rails under the cab and by the rad support on both rails not on the top lip of the rails by the steering box and under the cab.

[MusicMan70]

chewychevy67 Re: Frame Vin decoding

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please correct me if your trucks with these "S" marks came with v8's. my vin also is nowhere to be found in the markings on the frame. its wierd. my frame has the #'s on the side of the frame rails under the cab and by the rad support on both rails not on the top lip of the rails by the steering box and under the cab.

Yes, my truck came with a 350.