C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

1970 engine block pad stamp question

Thread Tools
 
Search this Thread
 
Old Aug 6, 2013 | 01:26 PM
  #21  
deejaydu's Avatar
deejaydu
Safety Car
Active Streak: 120 Days
 
Joined: Mar 2007
Posts: 4,678
Likes: 655
From: Blairsville , Georgia
Default

Originally Posted by Alan 71
Hi,
This is certainly interesting reading.
It leads one to believe that very few people should be commenting on stamp pads since we see so few.
No more for me!
Regards,
Alan
Alan I agree with you that there are only a few people who really have the resources and the knowledge to comment with absolute certainty on these engine pads and Al Greening is one of them. He is highly respected and will only put his name and certification on cars that are original and can be documented. Even if a pad looks correct in every detail it is still good to have them documented by an expert.

I hope that by posting what information I have will also help any perspective buyer of this car to not rule it out because of any questions about the engine being original or not.

Jay
Reply
Old Aug 6, 2013 | 01:45 PM
  #22  
deejaydu's Avatar
deejaydu
Safety Car
Active Streak: 120 Days
 
Joined: Mar 2007
Posts: 4,678
Likes: 655
From: Blairsville , Georgia
Default

Originally Posted by Mike Ward
Although this doesn't explain HOW it happened, it seems obvious with the existence of two known cars that it did.

Is your engine assembly date (0509) that same as the OP's?
Hello Mike,

I just checked and yes my assembly date is also (0509) the same as the car in the for sale ad. Both of our cars were built on June 5th,1970.

Jay
Reply
Old Aug 6, 2013 | 02:31 PM
  #23  
Mike Ward's Avatar
Mike Ward
Race Director
10 Year Member
 
Joined: Jul 2001
Posts: 15,892
Likes: 42
Default

Originally Posted by deejaydu
Hello Mike,

I just checked and yes my assembly date is also (0509) the same as the car in the for sale ad. Both of our cars were built on June 5th,1970.

Jay
Thanks for double checking. When you say both built on the same day, are you referring to trim tag dates?
Reply
Old Aug 6, 2013 | 08:01 PM
  #24  
deejaydu's Avatar
deejaydu
Safety Car
Active Streak: 120 Days
 
Joined: Mar 2007
Posts: 4,678
Likes: 655
From: Blairsville , Georgia
Default

Originally Posted by Mike Ward
Thanks for double checking. When you say both built on the same day, are you referring to trim tag dates?
Hello Mike,

I have the NCRS shipping data information for my car and I used the Birthday calculator for the eBay car with the reverse "J" engine suffix and they were both built on June 5th,1970 just a few VIN's apart.



Jay
Reply
Old Aug 7, 2013 | 10:17 AM
  #25  
deejaydu's Avatar
deejaydu
Safety Car
Active Streak: 120 Days
 
Joined: Mar 2007
Posts: 4,678
Likes: 655
From: Blairsville , Georgia
Default

Originally Posted by Alan 71
Hi Keith,
I thought something similar to you when I saw the 'J'.
There's no way for it to be 'backward' and look like that. If ANYTHING it could have been upside down, but I don't think that could happen either... I think the individual stamps could only go in the gang-holder in one way.
If the 'J' had been stamped separately it could have been upside down, but there's no way to make it mirror image... it's a stamp... it only makes a single impression... it can't vary. it's either right side up or upside down.
I think the seller thought he had a simple explaination that no one would consider on their own.
Regards,
Alan

This is the explanation that I have been given and makes sense to me. It is not an issue of the stamp being placed upside down in the gang holder but rather the stamp itself is made incorrectly (reversed) and then placed in the gang holder correctly and then stamped into the pad. Assuming that only the "J" stamp is made incorrect that would then produce the result of the reversed "J" on the pad. That is the only way that I could see that it could have happened. A new and correct "J" stamp would then solve the problem.

Jay
Reply




All times are GMT -4. The time now is 09:46 AM.

story-0
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-1
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-2
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-3
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-4
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-5
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-6
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-7
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-8
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-9
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE