casting number questions
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Junior User
Joined: Nov 2000
Posts: 51
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casting number questions
I'm trying to identify a block, and after reading verying info I'm confused. Have a C6ME-A block with date code 6H22. Should be a Aug. 22, 1966 428 correct? Now on the back drivers side of the block is cast an "A" about 2.5" tall. I have seen where the "C" is CJ and the "A" is SCJ. But aren't these only 68 and after?
Now a second block has C6ME-A but has a 390 bore with 428 heads. Couldn't get to date code. Any ideas?
And last I have a C7ME-A with a date of 7ME. M is the 13 letter, what month is that?
Thanks
Now a second block has C6ME-A but has a 390 bore with 428 heads. Couldn't get to date code. Any ideas?
And last I have a C7ME-A with a date of 7ME. M is the 13 letter, what month is that?
Thanks
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
casting number questions
On the date code, the “M” is for December, the letter “I” is skipped so you don’t mistake it for the number “1”. A C6ME-A block could have been anything by the time it was machined plus the standard 390/428 heads were identical. CJ blocks also had a sand-cast “J” on the back driver’s side. Maybe you have a P.I. block, your best bet is to verify the extra webbing supports for the main bearing saddles.
Barry
Barry
