Head gasket or intake gasket????? Help!

[CoreyZ28]

My gf has a 97 cobra mustang that her late father had bought. It's been sitting for about 2 years or more after it started loosing coolant and running rough. I pulled all 8 plugs and checked the compression (cold) on each cylinder to see if I could tell wether it is a head gasket or intake gasket. I went from front to back starting with the driver side and the compression is as follows (all in psi): 155, 140, 155, 150, 125, 134, 126, and 143. I plan on doing a leak down test this weekend. Does any1 have any thoughts on which could be the problem? Thanks all in advance. Mileage is 97,000 by the way.

 

[98fourvalve]

You said losing coolant? It's not an intake problem. We don't have coolant flowing through them.

Probably has been blown up. Does it pull any codes?

 

[CoreyZ28]

I'll check for codes tomorrow. It was never really abused I believe. I'll have to check again but I'm pretty sure the oil is water free and vice versa. So are u thinking its most likely the head gaskets?