Then you have tiny hands. I estimated the size by moving my hand forward and back in front of me until it was the same size as the screen image, then placed a ruler in the same plane to measure the ball. I remeasured and got 7/16". Can you tell us the diameter of the ball?

Way off... big hand -tiny hand ????? ..you do not use an unknown to factor...

You use the bore of that engine and then calculate the pic ratio.

The results are 9mm...

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A Dalton

The impression does not necessarily represent the full diameter. Your measurements only bracket the low end of the diameter.

You'r kidding?

You want to compare a hand comparison to a carbon copy of a cylinder???

Put up some $$$$ for when he measures it for us....the method I used is way closer than your Hand measure...you use HANDS when you measure a Horse !!!!!! ...hahahahahaha

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A Dalton

Ever done a Brinell test?... or know the principle behind it?

No need to get in a huff, Arthur. I was actually going to compliment you on a more exact way of measuring sizes from photographs until I realized a ball doesn't leave its full diameter when it makes an impression. It's still an estimate.

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95 E320 Cabriolet, 159K

No huff...and it is an Estimate..
Your estimate just seems to be a larger estimate than mine or the posters.........

My point was how one arrives at the estimate...that's all.
If the hand was that of the Jolly Green Giant, I would prolly agree with your estimate.....

Ever see what a 1/2 ball looks like in your hand??
I have ..work with them all the time .
They are large..that is not....

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A Dalton

well after that I had to go out there and measure, only problem is- I couldnt find anything to measure it with, so for comparision, thats a 7/16ths drill bit next to it.

Attached Thumbnails

 

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

If it were my engine, just for my own curiosity, I would determine if it were indeed possible that this ball came through the intake valve.

Remove the valve spring and see if it will clear, and if so, how far the valve must be open. Certainly it would take more than 7/16", but .438" is not exactly high lift.

Check my profile.

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95 E320 Cabriolet, 159K

John,
Here is an old trick when you need those type measures and you don't have the proper measurement tools...

Put what you want to measure in the jaws of an ajustable wrench and close the jaws to hold the piece...then simple measure across the jaw opening. turns your wrench into a crude vernier. Can also do the same with a vice ...same deal, close the vice to hold the piece and measure across the jaw...and if you don't have a rule , once the jaws are set , then slip a known drill bit [ not the flute end] into the same jaw opening until you get the right one and that is the size.
Buy some verniers...they come in so handy that once you have some , you will be amazed at how many times you will use them, from hole sizes to finding bolt threads. etc....

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A Dalton

I was going to say, I've never had any girlfriends that knew THAT much about cars.

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" We have nothing to fear but the main stream media itself . . . ."- Adapted from Franklin D Roosevelt for the 21st century

OBK #55

1998 Lincoln Continental - Sold
Max 1984 300TD 285,000 miles - Sold
The Dee8gonator 1987 560SEC 196,000 miles - Sold
Orgasmatron - 2006 CLS500 90,000 miles
2002 C320 Wagon 122,000 miles
2016 AMG GTS 12,000 miles

Maybe it came from a turbo blower, through the air intake?


-tp

what, like a hairdryer strapped on?

Arthur, I've got a few calipers, theyre just all at work Theres a tape measure around here somewhere...

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Turbos have plain bearings. Run on a film of oil.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

Eh, that depends on the turbo, but I would suspect much smaller bearings in the ball bearing versions that go on cars.

This should be interesting if the true cause ever surfaces!

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-Josh
Testing the cheap Mercedes axiom, one bolt at a time...