Casting numbers for replacement block

Help with decoding your Hemi engine.

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Casting numbers for replacement block

Post by pbarring » Fri Aug 31, 2007 9:34 am

I am trying to determine the specifics about the replacement block on a 1968 Plymouth Road Runner that I inherited when my husband passed away recently :cry: One of the numbers stamped next to the distributor is hard to read. Although there are local Mopar experts, this seems to stump them. It looks like C H - 426

Well, the local Utah expert, Steve Hinckley, came to my rescue. The C is 1979 and the H is Hemi. 1979 was the last year these casting numbers were used. Thus the mystery for a short time. Thanks to everyone who took a look at this post. Pam B.
Last edited by pbarring on Sun Sep 02, 2007 8:34 am, edited 1 time in total.
Hemi Owner in Utah

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Post by 392heminut » Fri Aug 31, 2007 11:34 pm

I can't help you with your question Pam, but just wanted to say sorry for your loss!
Owner of the Poor Man's Hemi Cuda

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