Ethics Question

[Keith S.]

Re: Ethics Question

Is it unethical to "restamp" any engine block that matches the type, design, and casting numbers of the original ? IMHO......no.

Is it unethical to misrepresent a "restamped" engine block as described above, as being the original unit in vehicle to solely enhance resale value only ? IMHO.......yes. The term criminal fraud comes to mind.

Ergo......that is the primary reason why people may do this........(and I am not implying any ulterior motives on the part of the OP, or anyone else here). So, if you are concerned that someone down the road who owns the vehicle after you may do just that, deck, but don't "restamp" the block. Simple answer.

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Having said that.............

Is having the original engine in an older Corvette/Ferrari/Porsche/Bugatti whatever, worth more than having an original replacement of the exact same kind of engine, from the same build period, and correct in ever respect, but for a block stamp a big factor ? Not to me or thousands of car people that I know and who are or have been clients of mine over 22 years as an exotic car salesman. If I had to chose between two identical cars I'd happily pay less for the NOM one versus the other..........the numbers matching, broach marks, kind of thing seems to be a unique NCRS affliction.

[Michael J.]

Re: Ethics Question

Is it unethical to "restamp" any engine block that matches the type, design, and casting numbers of the original ? IMHO......no.

Is it unethical to misrepresent a "restamped" engine block as described above, as being the original unit in vehicle to solely enhance resale value only ? IMHO.......yes. The term criminal fraud comes to mind.

Ergo......that is the primary reason why people may do this........(and I am not implying any ulterior motives on the part of the OP, or anyone else here). So, if you are concerned that someone down the road who owns the vehicle after you may do just that, deck, but don't "restamp" the block. Simple answer.

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Having said that.............

Is having the original engine in an older Corvette/Ferrari/Porsche/Bugatti whatever, worth more than having an original replacement of the exact same kind of engine, from the same build period, and correct in ever respect, but for a block stamp a big factor ? Not to me or thousands of car people that I know and who are or have been clients of mine over 22 years as an exotic car salesman. If I had to chose between two identical cars I'd happily pay less for the NOM one versus the other..........the numbers matching, broach marks, kind of thing seems to be a unique NCRS affliction.

+1, well said.

[Timothy B.]

Re: Ethics Question

For the NCRS it's better to leave the stamp alone without decking. If the block cast and cast date are correct you will only loose 50 points for the stampings but will retain the 38 points allowed for the factory broach.

That's a way not to defraud but restore the engine as correct as possible except stamping.

[Tom R.]

Re: Ethics Question

For the NCRS it's better to leave the stamp alone without decking. If the block cast and cast date are correct you will only loose 50 points for the stampings but will retain the 38 points allowed for the factory broach.

That's a way not to defraud but restore the engine as correct as possible except stamping.

Thats about the most concise, honest and logical approach I've read about this topic over the years. Thank you Sir.

[Will B.]

Re: Ethics Question

I have a 63 engine that replaced the blown f.i. engine in my 62.

Is that unmarked service replacement block broached like a factory installed engine?

And yes, I'm still looking for the 62 block!

[John H.]

Re: Ethics Question

I have a 63 engine that replaced the blown f.i. engine in my 62.

Is that unmarked service replacement block broached like a factory installed engine?

And yes, I'm still looking for the 62 block!

Will -

Yes - all blocks went through the same broach machine as part of the machining process.

[Will B.]

Re: Ethics Question

Is there any other place on the block that might be stamped, other than the pad?

If not, is there a way to use acid, etc., the 'raise' the old stamping?

There are stories of police using science to reveal serial numbers which have been ground off firearms?

[John H.]

Re: Ethics Question

Is there any other place on the block that might be stamped, other than the pad?

Will -

No, there isn't - not on a Corvette.