Started doing a starter R&R on my 83 300D. I got to the point where I need to remove the two big bolts. All the write-ups I've read said 10 mm Allen, yet after 45 minutes of messing around I took a paper towel and pressed it into the bolt head opening, to my surprise I saw the familiar Star pattern of a Torx head, rather than the Hex shape of an Allen head.
So my questions are, Is this some sort of retrofit? Is it common to see this? and What size it this puppy? Has anyone seen this before?

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'83 300D (220000 miles and counting)

Hmmm it's possible I guess, since you see it. all the ones I've pulled have been allen hex 10mm... if it's a 6 point star then it is likely a 55 torx, if it's a 12 point star then it's likely a 8mm or 10 mm xzn bolt... any chance you can snap a picture of the bolt?

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

It was a 6 point star. I might be abe to get a pic tomorrow. It's way to dark now, and I need some sleep

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'83 300D (220000 miles and counting)