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Replacement Frame vin

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Old Dec 31, 2014 | 12:22 PM
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Default Replacement Frame vin

The frame on the 65 is marginal. I have a good used 78 frame to modify and install. What are the general opinions on the frame vin? Leave it as it is? Grind it off or cover it up? Replace vin frame section with original frame section? Other?

Thanks
Tom
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Old Dec 31, 2014 | 12:41 PM
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I don't think it would matter if you leave it alone or remove it by some means since it's not critical. I'm sure others here on the CF have swapped frames. I wouldn't cut on the frame for that. Dennis
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Old Dec 31, 2014 | 03:47 PM
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I'd give thought to grinding it off to avoid any possible confusion later. I'm not sure if that is legal, just my thought on your question.
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Old Dec 31, 2014 | 03:52 PM
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Replacing it with a 78 frame is going to require so many mods no one will think it is the original frame anyway. When cutting and grinding take the # off.
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Old Dec 31, 2014 | 05:17 PM
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I don't think it would matter if you leave it alone or remove it by some means since it's not critical. I'm sure others here on the CF have swapped frames. I wouldn't cut on the frame for that. Dennis
Hey Dennis. No it's certainly not critical me far as "numbers matching". More like can it muddy the water on what the vehicle vin is for vehicle ID purposes.

I'd give thought to grinding it off to avoid any possible confusion later. I'm not sure if that is legal, just my thought on your question.
This is my current thought as well. Just remove the old vin number.

Replacing it with a 78 frame is going to require so many mods no one will think it is the original frame anyway. When cutting and grinding take the # off.
I don't think there is too much to modify. Move the body mounts and graft on a midyear rear section and front frame horns. Plan is to follow the Chevrolet Performance manual for frame stiffening at the same time. OK I guess overall it's a bit of a job but I look forward to it.

Thanks for input.
Tom
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Old Dec 31, 2014 | 05:34 PM
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I would like to know more about the frame stiffening.
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Old Dec 31, 2014 | 07:26 PM
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I am facing the very same job, I have a 74 frame rust free that I plan to use as a donor to fix my 66 frame that is beyond repair. There are a few posts on this forum that detail the changes needed to do this. Since my old frame will be scrap metal when I finish with it I plan to cut the vin out and weld it into the proper spot in the donor frame.

Everyone would agree it is OK to buy new parts to properly fix a rusted frame. I think we are just buying more than the average Joe and doing a larger repair.
As long as the old frame gets scrapped/destroyed and the newer donor frame Vin gets destroyed I see no harm done. Anyone looking will know the frame has been repaired, many Vettes on the road today have had to repair rust damaged frames. If your DMV does an inspection down the road the frame number will match your car. This is my plan to fix my frame. Make your own call on yours and keep us posted on progress.
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Old Dec 31, 2014 | 07:49 PM
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Just so everyone knows, removing a VIN stamp from a frame, engine, trans, whatever is illegal in many states.

Those numbers are theft control devices.

Interestingly enough, stamping a new VIN number on a part is not as big of an issue in many states.

I'm just saying....
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Old Dec 31, 2014 | 08:06 PM
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Originally Posted by emccomas
Just so everyone knows, removing a VIN stamp from a frame, engine, trans, whatever is illegal in many states.

Those numbers are theft control devices.

Interestingly enough, stamping a new VIN number on a part is not as big of an issue in many states.

I'm just saying....
Not conding the frame stamp But I would love to watch any non corvette person or car person find and read that vin stamp on a frame once the body is on Even with the lightest coat of paint it's going to fill the stamped numbers. Just saying.
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Old Dec 31, 2014 | 09:55 PM
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Some years ago I swapped my frame to another '65 frame. I now sometimes think that should have addressed this and made everything match while it was out there and easy. My replacement frame was nicely powdercoated [and perimeter welded], I didn't want to disturb the powdercoating finish. I would today.
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Old Jan 1, 2015 | 06:31 AM
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You are performing a automobile restoration so your intentions are not undermining in any way.

I would grind the numbers from the donor frame. I would not restamp the car numbers on that frame.

I would then use a cutting wheel or torch to remove the 2 stamped sections of the original frame which have the vin derivative stampings. I would put them in a bag and keep them in the folder of documentation for the car and present it along with any other car related documentation to keep with it. I would then cut up and scrap the old frame for cash and use it to help fund the restoration.

Rich
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Old Jan 1, 2015 | 08:50 AM
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Just an FYI, grinding I am told will not remove a VIN number completely. We had a metallurgist find a lost number for us on a Ferrari block and he said once the number is stamped the metal below the stamp carries the force of the stamp. What he found was pretty amazing.

Steve
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Old Jan 1, 2015 | 01:43 PM
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Originally Posted by Sky65
The frame on the 65 is marginal. I have a good used 78 frame to modify and install. What are the general opinions on the frame vin? Leave it as it is? Grind it off or cover it up? Replace vin frame section with original frame section? Other?

Thanks
Tom
Hey Tom:

A new replacement frame would come without an assigned VIN. I am guessing don't have paperwork relating to the VIN on the C3 frame you are going to modify to replace your existing frame.

With your car being so original I, personally, wouldn't be particularly concerned on the VIN issue. I might stamp your VIN onto the replacement frame in an obvious location, like on the top of a front radiator horn, in BIG numbers that anyone in the trade would recognize as not attempting to defraud or fool anyone while relating it to your car.
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Old Jan 1, 2015 | 02:26 PM
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While your body is off I would look into mounting the '67 shoulder belt rear lower re-enforcements.
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Old Jan 1, 2015 | 02:41 PM
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Originally Posted by BADBIRDCAGE
Hey Tom:

A new replacement frame would come without an assigned VIN. I am guessing don't have paperwork relating to the VIN on the C3 frame you are going to modify to replace your existing frame.

With your car being so original I, personally, wouldn't be particularly concerned on the VIN issue. I might stamp your VIN onto the replacement frame in an obvious location, like on the top of a front radiator horn, in BIG numbers that anyone in the trade would recognize as not attempting to defraud or fool anyone while relating it to your car.
Hey Rich. You are correct. I do not have paperwork on the replacement frame. That is the part that makes me a little uncomfortable. However I have to reason to believe there is a legal problem with it.

Tom
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Old Jan 1, 2015 | 02:46 PM
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Tom did you get the frame from the Petry's junk yard on Gorsuchs Rd. I know they have a few shark cars. how did you make out with your front end spindles a while back
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Old Jan 1, 2015 | 02:57 PM
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Originally Posted by Nowhere Man
Even with the lightest coat of paint it's going to fill the stamped numbers. Just saying.
Im not sure thats always true...
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Old Jan 1, 2015 | 03:01 PM
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Originally Posted by Sky65
Hey Rich. You are correct. I do not have paperwork on the replacement frame. That is the part that makes me a little uncomfortable. However I have to reason to believe there is a legal problem with it.

Tom
Even though its true that its unlikely a future buyer might see the frame clearly enough to see a stamped or welded in VIN, Id strongly advise against it. I would at least suggest you look up your state's statutes on adding/removing/altering VINs on cars. Many states find this to be very illegal.

You could possibly open yourself up to being vulnerable to a future buyer who might try to take advantage of this.
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Old Jan 1, 2015 | 03:02 PM
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While your body is off I would look into mounting the '67 shoulder belt rear lower re-enforcements.
Would a 78 frame already have those?

Originally Posted by Nowhere Man
Tom did you get the frame from the Petry's junk yard on Gorsuchs Rd. I know they have a few shark cars. how did you make out with your front end spindles a while back
No. I got the frame from a private party here in MD. It was under a midyear project he bought but had not been modified yet. He was a retired engineer and was in the process of building his own frame. I did get the spindles from Petry's. Great deal. I forget exactly but around $100 for both complete spindles, hubs, bearings, caliper mounts, steering arms and bolts and they removed them! That fixed my problem.

Tom
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Old Jan 1, 2015 | 03:10 PM
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good luck with making that 78 frame work.
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