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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 03-03-2013, 01:16 AM   #11
JustJeff
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Quote:
Originally Posted by RETed View Post
Hmmm...my vision was pretty bad last night due to a horrible few days at work, so you have to excuse me a bit.
I just saw that black line and went *WHAT?*.
So the black line is caused by paint?
There should be no other reason why such a black line be on that part of the counterweight due to normal use.

I'm also a little bit worried about you stating: "if you run your finger over it you can barely feel it."
It's in constant contact with a silicone oil seal that's rotating.
It it were a perfect world, that area should be smooth.
A slight imperfection could easily destroy the oil seal in short order.

That ding doesn't look that bad.
There are vendors that offer (re)balancing services if you're that worried.

You can talk to the machine shop and ask them for their advice.
Explain the situation, and they should be able to give you an answer?
A competent machine should know proper clearances for this application with this type of seal...


-Ted

Sorry about the confusion, the whole flat side of the weight had been painted (poorly) in silver.

The line is actually a shinny ring. It doesn't make a groove, just a different texture. I posted pics on "the other" forum and a couple of experienced members pretty much said "no big whoop", that it's normal wear.

I contacted the seller and was of course told, "I assure you it works perfectly, I was using it on my engine with no issues"
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Take your pathetic ultimatums and stupid "AOL" comments and shove them straight up your ass, you little punk. You avatar is gay as well....

1990 Vert/ S5-JDM 13BT (rebuilt but with issues I'm working out). Rtek N370 1.7, 550/800 injectors, FD fuel pump, RB REV TII exhaust, Tein springs and Illuminas
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