That does look a little strange are you sure that bolt is in the right place? I thought the "weird" bolts were on the upper part of the compressor. I'll have to go look at mine in a little while to see if it's like that.

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1985 300D Turbo ~225k
2000 F350 (Powerstroke) 4X4, SWB, CC, SRW, 6spd ~148k
1999 International 4900, DT466e (250hp/660 ft/lbs), Allison MD3060 ~73k