NA Build Inside....Soup to Nuts :)
#541
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Man, I've been away from the forums for a couple months and came back JUST to catch up on this thread. Good luck getting her back to 100%. You don't think that something odd happened with the change in altitude and the leaner tune, do you?
#543
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Originally Posted by Z1 Performance
thanks again for the log file John - was helpful to see what a properly working setup should be doing. Here is a log of mine
That really is a stumper of a problem. It would be super to find someone with working solenoids and swap one of two of yours into their car. I have a feeling that your solenoids would work correctly.
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Well I finally had some time to sit down today with the car and the factory service manual. First time I've really had free since coming back from Z Days in fact!
Went through the std. continuity tests on the sensors and they checked out, so that led us back to it being something mechanical.
Pulled the intake manifold and valve covers off, and began looking at the chains and tensioners. With an open end wrench you can pivot the cams back and forth just enough to see things move. Both sets of cams are rotating together, but the issue as far as I can see, is that the crank is not rotating at the same time. The question then of course becomes, why? Next up I'll check the torque on the crank pulley, and also pull the crank pulley off and see what it looks like, and inspect the keyway, etc. I'll report what I find here as soon as I know it![Smilie](https://my350z.com/forum/images/smilies/smile.gif)
And this is why the BEST mod you can make to your heavily modded Z, is a primary daily driver
I love my Saab more and more everyday!
Went through the std. continuity tests on the sensors and they checked out, so that led us back to it being something mechanical.
Pulled the intake manifold and valve covers off, and began looking at the chains and tensioners. With an open end wrench you can pivot the cams back and forth just enough to see things move. Both sets of cams are rotating together, but the issue as far as I can see, is that the crank is not rotating at the same time. The question then of course becomes, why? Next up I'll check the torque on the crank pulley, and also pull the crank pulley off and see what it looks like, and inspect the keyway, etc. I'll report what I find here as soon as I know it
![Smilie](https://my350z.com/forum/images/smilies/smile.gif)
And this is why the BEST mod you can make to your heavily modded Z, is a primary daily driver
![Smilie](https://my350z.com/forum/images/smilies/smile.gif)
#549
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lololol - I'd love to get the car back down there after it's fixed, but uggh...that drive down. It's not even that it's long - 14 ish hours isn't that bad. But my god, I 81 is the most boring road I've ever been on - it makes it tedious, even with good tunes!
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well, the new pulley has been ordered (ATI) - should be here in a day or so. I'll get it up the machinist, have it balanced per my crank specs, and then on it goes!
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Originally Posted by Z1 Performance
well, the new pulley has been ordered (ATI) - should be here in a day or so. I'll get it up the machinist, have it balanced per my crank specs, and then on it goes!
Glad to see things are plugging a long. Maybe we can all meet up there a few days before Zdayz to BS and do some driving.
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Originally Posted by Z1 Performance
The question then of course becomes, why? Next up I'll check the torque on the crank pulley, and also pull the crank pulley off and see what it looks like, and inspect the keyway, etc. I'll report what I find here as soon as I know it ![Smilie](https://my350z.com/forum/images/smilies/smile.gif)
![Smilie](https://my350z.com/forum/images/smilies/smile.gif)
Glad to hear adam!
I'll wait to hear more from you.
Since i got myself a used UR pulley...plus if it happend cuz of pulley...i'm more happy to hear from you
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Last edited by Chef-J; 06-04-2008 at 07:50 PM.
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I had the UR pulley on my original engine for over 40k miles, without any problem. I will bring the pulley to UR for inspection, since they are close by to me. At this point, our best guess is that the pulley simply could not keep up with the rpm, since the keyway is very small, and there is only 1. If I were to use this type (or any aluminum pulley) in the future, I would have done a dual keyway setup.
#555
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Originally Posted by Z1 Performance
I had the UR pulley on my original engine for over 40k miles, without any problem. I will bring the pulley to UR for inspection, since they are close by to me. At this point, our best guess is that the pulley simply could not keep up with the rpm, since the keyway is very small, and there is only 1. If I were to use this type (or any aluminum pulley) in the future, I would have done a dual keyway setup.
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#556
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I can't comment on them, as I am not at all familiar with them
mind you, I still don't think this is a bad product...it just wasn't the right piece to use for my intended use, that's all (sustained high rpm). Hopefully the ATI one will be my solution
mind you, I still don't think this is a bad product...it just wasn't the right piece to use for my intended use, that's all (sustained high rpm). Hopefully the ATI one will be my solution
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Originally Posted by Z1 Performance
I can't comment on them, as I am not at all familiar with them
mind you, I still don't think this is a bad product...it just wasn't the right piece to use for my intended use, that's all (sustained high rpm). Hopefully the ATI one will be my solution
mind you, I still don't think this is a bad product...it just wasn't the right piece to use for my intended use, that's all (sustained high rpm). Hopefully the ATI one will be my solution
![](https://my350z.com/forum/images/smilies/icon17.gif)
Good to know you'll be up and running soon.