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68 body on later C3 frame

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Old Jun 8, 2014 | 01:32 AM
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Default 68 body on later C3 frame

Need some help locating the frame VIN number

I have a 68 on a later frame so the car is considered constructed.

To finally get this frame off restoration on the road I am obligated to show the DMV the frame VIN.

I was told the frame could be from a 79 or 80 based on the removable exhaust channels.

Any help is appreciated!
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Old Jun 8, 2014 | 07:14 AM
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The frame VIN should be on the top of the rail above the left rear wheel.
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Old Jun 8, 2014 | 09:46 AM
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You could be in trouble. A VIN derivative is stamped on the top of the driver's frame rail in two places. The first is about where your left hip would be if you were sitting in the car. You cannot see this stamp with the body on the frame. The second stamp is just in front of #4 body mount. This one may be difficult to see since the body comes down close to the top of the frame.

Neither stamp is a complete VIN, only a derivative, but each will contain the consecutive unit number of the Corvette the frame was originally installed in.

Good luck.
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Old Jun 8, 2014 | 10:21 AM
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Originally Posted by Easy Mike
You could be in trouble. A VIN derivative is stamped on the top of the driver's frame rail in two places. The first is about where your left hip would be if you were sitting in the car. You cannot see this stamp with the body on the frame. The second stamp is just in front of #4 body mount. This one may be difficult to see since the body comes down close to the top of the frame.

Neither stamp is a complete VIN, only a derivative, but each will contain the consecutive unit number of the Corvette the frame was originally installed in.

Good luck.
Thanks, this his is a good start, is the number 4 mount the rear passenger side?
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Old Jun 8, 2014 | 09:17 PM
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Originally Posted by 68appeal
Thanks, this his is a good start, is the number 4 mount the rear passenger side?
I placed the car on stands and removed both wheels. I removed (Very carefully) the paint off of the top of the frame in the area adjacent to and just in front of both body mounts. I did not see the stamped numbers on either side.

Could it be that the numbers were removed by wire brushing the frame to aggressively or do I need to increase the area where the paint is being removed?

I'd appreciate any further ideas on this - currently I'm stumped!

68appeal
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Old Jun 8, 2014 | 09:54 PM
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1) I need a bit more background on why the DMV cares what frame is under the car. Care to share the back story?

2) If you had a frame from a later car, there would be BIG differences in where the bumpers attach- the later cars are MUCH different than the 68s and 69-73s

I have a '69 frame here, and I've taken it down to metal and saw no signs of a vin number on any of the rails.
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Old Jun 8, 2014 | 10:23 PM
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Originally Posted by davidchristopher
1) I need a bit more background on why the DMV cares what frame is under the car. Care to share the back story?

2) If you had a frame from a later car, there would be BIG differences in where the bumpers attach- the later cars are MUCH different than the 68s and 69-73s

I have a '69 frame here, and I've taken it down to metal and saw no signs of a vin number on any of the rails.
A) The body was considered salvage (Due to damage from a infamous windshield motor fire) - no title.

B) The original 68 frame was in very poor condition so another frame was used. Your comments regarding the bumpers are good insights - I'm guessing the frame is nearer to a 70 or 71, but it is still an unknown.

C) I picked up the car from a friend who had already finished the rolling chassis that was rescued from salvage - no title.

D) Registration is taking place in CA, and the CA DMV is strictly a frame state when it comes to "constructed cars". The VIN on the front post is still there and clear, but CA will not consider the use of the front VIN.

Given all of this, I need to either find the frame VIN or find another legal avenue to get the car registered.

Thanks for your input.
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