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Question on Continental Au7 / AA7


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  #1  
Old 06-19-2007, 07:50 AM
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Craig DeShong Craig DeShong is offline
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Default Question on Continental Au7 / AA7

I picked up a Continental engine at a show last month. It was covered in grime and rust and I brought it home and sat it on the shelf. I got it down the other day and started the process of de-greasing and rust removal in preparation for a close inspection to see really what I had after all.

It has a tag stating it is an AU7R. The R part I agree with because it has a gear reduction on it. While de-greasing the block I was surprised to see the block cast with the letters AA7.

So my question is… it this right? Or, as I suspect, am I the proud owner of a 56,57,58,59... Cadilac?
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Old 09-28-2008, 08:34 PM
makoman1860 makoman1860 is offline
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Default Re: Question on Continental Au7 / AA7

Craig,
I know its a late reply, but your engine is correct. The AA7 series block was used on many 7 and 8 cubic inch engines. In fact the crankshaft is the same between the 7 and 8 cubic inch models. Justbe sure its the same mag!
-Aaron
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Old 10-03-2008, 09:06 PM
Dick DeBuse Dick DeBuse is offline
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Default Re: Question on Continental Au7 / AA7

All the castings on your engine should have the AA7 prefix followed by a 3 digit number. The engine bore would probably tell you the model. The AA7 an AU7 were 7 c.i. with 2-1/8" bore x 2" stroke.
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Old 10-03-2008, 10:12 PM
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Default Re: Question on Continental Au7 / AA7

Thanks for the replies guys, I'd forgotten all about this post.
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