1967 Camaro Convertible L78 MQ Block 124677N221349
 

I decided to order an NCRS report on the MQ block in my garage. My first request for a coupe vin wasn't in their system. Tried again with a convertible vin and got a hit.

With 113 L78 Convertibles in 1967, I was told this block is too late to be a pace car?

Anyone have any idea what car this may have belonged to?

Stamp T0503MQ 7N221349
Casting Number 406
Casting Date D11

Production Date: 5/17/1967
Dealer Zone: #28
Dealer GM Code: #584
Dealer Name: The South East Chevrolet Company
Dealer Location: Cleveland, Ohio

I know a '67 396 convert locally, but I thought his tag was a 4N. Currently has a period correct 427 in it. I'll see if I can make contact with him and check his vin.

That is a tight production window. May be late for a track car, but could have been ordered as a Pacesetter?

My car is 230691, built first week in June. This block is probably last of May car or maybe first week of June.

My l78 block is 05/26 and car was built June 5

it is in the time frame for 05C

The block has been sent to Ohio for repair and build.
Gary Dyer says he "picked it up at a swapmeet in Indy" many decades ago. He thinks the block froze in the winter causing some cracks in the cylinders. The block is almost .040 over. There were "H" stamps on the oil pan mating surface below the fuel pump and "25219" stamped on the starter mounting surface.
Just keeping the story updated on this block in case it rings a bell for anyone.

Is it possible the car is an 05A car or earlier?

Check this out

https://www.yenko.net/forum/showthread.php?t=175844

----Don't know about the rest of the Ohio guys, but I'm not familiar with Southeast Chevrolet. As a young kid I thought I had visited every Chevy dealer between Cleveland and Akron at one time or another.....Bill S

South East Chevrolet
 

8815 Broadway Ave Cleveland Ohio. John Klima service manager in 1967. building still there, lots of high- performance cars, they used to street race. also was a Manners Big Boy for hang out.