Best Tool Ever
Sometimes I make a tool which I find simple and worth having. Here's not a bad one, took a bit long on the lathe than the 30 seconds I was originally planning to spend making it smooth, but I'm happy with what I got!
http://abefm.smugmug.com/photos/456494104_eocLW-L.jpg Basically, it's just a short rod, actually an alum tube (so it's light, won't scratch anything), with nice smooth bottoms. I use it to drop down the spark plug hole to tell me when I'm at TDC or BDC, generally for leakdown tests, but also for other things. http://abefm.smugmug.com/photos/456493945_hmYcn-L.jpg The amazing part was putting little rings on it every 100 mils, and a heavy one every 500, so I can tell what mark is what, check if all pistons come up to the same height, and generally know where I'm at. http://abefm.smugmug.com/photos/456494169_2Pyjz-L.jpg I've used threaded rod before, but it's much more worrysome. This is totally worth the $3 for a piece of tube - if you tear into your motors ever, it's worth getting. |
Pics or it didn't happen.
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Abe, you are the only person I know who has a tool specifically for determining which rod is bent.
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That's a scary ass knife you built there.
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Ive doe that with a long screwdriver
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Originally Posted by akaryrye
(Post 354873)
Ive doe that with a long screwdriver
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Originally Posted by jayc72
(Post 354865)
That's a scary ass knife you built there.
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I use the oil dipstick
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Originally Posted by jayc72
(Post 354865)
That's a scary ass knife you built there.
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Originally Posted by sixshooter
(Post 355052)
I think that's a shank. How long were you in for, Abe?
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Originally Posted by j_man
(Post 355033)
I use the oil dipstick
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I cut up a clothes hanger for when i did a t-belt job on my pathfinder. It worked pretty well!
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do not drop anything hard with your tool. you can score cylinder walls.
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You'd score the surface of the piston, and that is all... As long as it is straight.
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Originally Posted by sixshooter
(Post 355052)
I think that's a shank. How long were you in for, Abe?
abe, why dont you make your rod out of delrin? |
Pat: There are pics??
Originally Posted by akaryrye
(Post 354873)
Ive doe that with a long screwdriver
Originally Posted by mazda/nissan
(Post 354913)
i was kind of hoping for a back-story on that too
So I notched a piece of thin walled pipe and welded it as a handle for the blade. We all got utterly drunk, set up work lights in the back yard, and thew the knife at a wood pile at 3 am. A surprising number of people walk past my missing backyard fence late at night on a friday. It worked awesome, actually, till this big polish guy bent it all up after hours of everyone else using it.
Originally Posted by y8s
(Post 355474)
you mean a shiv?
abe, why dont you make your rod out of delrin? As to material "choice", it was what I had laying around. I agree it'd be superior out of an appropriate plastic. Also, it might be nice if it were a tighter fit in the spark plug hole so it didn't lean. Maybe even fatten up the top so it's easier to judge the height. But the marks are repeatable as the lean angle is the same across the motor. Heh, Joe, I put a friend's subaru back together with that welder, he bent up his control arm hopping a curb at 50 mph - understeery pieces of trash. :-) I wouldn't say practice makes perfect, but practice does make actual welds (unlike what's on that knife). |
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