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  View original topic: Engine case numbers
myk648 Sun Feb 09, 2003 1:29 pm

I recently came across an old engine case. I was wondering how to determine what the case originally came out of. The number on it is AK 005733. Any info would be greatly appreciated. Thanx!

myk648 Sun Feb 09, 2003 1:58 pm

The other number I found on it is 211,101,102E.

keifernet Sun Feb 09, 2003 2:21 pm

Should be a 73 or 74 dual releif with 8mm head stud factory case inserts...
the 211 101 102 E is a generic type part casting # meaning that it is perhaps a 3 point style rear mount that could be used in other applications which require an engine mount bar.
Does it say AS-41 or AS 41 on it?
has it ever been align bored? ( look for numbers stamped on the oil cooler "pad" and on the rear circle around the crank main seal. Sounds like a good case if it has not been machined to much or rear main thrust area beat out.

keifernet Sun Feb 09, 2003 2:22 pm

Sorry or AS-21????

myk648 Sun Feb 09, 2003 4:09 pm

It says AS 41.

keifernet Sun Feb 09, 2003 4:44 pm

Cool, no biggie, some stuff written about the AS-21 ( the rating of the magnesium alloy used in the casting of the case) being better ( ie hardier material)
But still if it checks out for cracks/ machine tolerances/ not warped on center main, then it is a decent case for a project rebuild.

myk648 Sun Feb 09, 2003 4:54 pm

Thanks for your help. That is what I'm planning to do with it(rebuild). I figure if I've got a built motor setting around, then I've got an excuse to buy another car!

68railbuggy Sat Jan 21, 2012 8:55 pm

i hvae an engine case with AK003682 on it...any information on it would be helpful. thanks in advance



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