I paid $1500 for it about 12 years ago, I collected $1900 in insurance for a rounded crease put on one side. So I was on the plus side at that point.

An odd thing with this rig is how many of the bolts are metric. But not all of them. It’s a little bit maddening. Check this out:

The nut Holding the clamp/hanger was clearly metric. So I tried metric for The fuel filter nuts. 17 was too loose, 15 was too tight, am I said, I like many, does not have a 16 mm.

Quickie lesson for anyone We might not know how to transpose these things, not trying to insult anyone’s intelligence, but I was sort of a math whiz:

You only need to remember the number 25.4. Divide millimeters by 25.4 to get inches. Surprisingly that number is accurate to about five places, Here is the actual number:

25.39998

The reverse is to multiply inches by 25.4. Here is a sample problem:

I was curious what the SAE was for 16 mm, maybe I would get lucky. I divided 16 mm by 25.4 and got 0.629921. Multiply that by 16 and you’ll know how many sixteenths you have, in this case: 10.08, which is as accurate as you need. IOW, 5/8 will be too small of a wrench by a tiny amount. Turns out the 5/8 wrench open end would just barely slip over the nut, it was an annoyingly difficult fit at many points.

But my crescent wrench was so huge I’m lucky the 5/8 wrench worked.

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1986 300SDL, 362K
1984 300D, 138K