91 Grand Am SE Quad 4 woes

I purchased a 1991 Pontiac Grand Am SE with 133K mi. A very nice little car. The engine will not turn over by using any means. I have worked on the 2.5 Tech 4 and have extensive experience working on a 4.5
Cadillac engine (replaced heads & head gaskets), so needless to say I have good mechanical experience. I am wondering what I can do with this engine to see if I need a whole new engine or merely a head. I have a 1991 Grand Am LE with 86K mi that has been sitting for quite some time, but the engine will turn over. Any pointers on where to start? Thanks -Brock
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snipped-for-privacy@yahoo.com wrote:

I assume that you have checked everything easy to get at? That leaves engine internals. Perhaps the rods and crank are broken.
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