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LeonV

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LeonV last won the day on June 19

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About LeonV

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    Bay Area, CA
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    Mechanical Engineer

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  1. It doesn't sound too far-fetched but I'd still be surprised if that were the reasoning behind the decision. How much are those bushings offset by? If it's a few mm's, my call would be to just machine the strut housing a tiny bit more and not worry about retooling bushings and having them become asymmetric. Perhaps the cost analysis showed otherwise. It's not uncommon to offset bushings to account for pre-load or uneven travel but I don't see that being the case here. Especially because the bushings are offset in opposite directions when installed.
  2. Did you spin the motor by the cam bolt? You shouldn't have to guess where the problem lies if you've done a leak-down test.
  3. Fresh engines should have the valve lash checked often. As the valves wear into the seats, lash will tighten and keep the valves open longer. This can cause rough-running and compression problems. Also do a leak-down check before tossing the engine out of the car. That will tell you where your problem may lie and is a fundamental step in troubleshooting compression issues.
  4. It is indeed. Unfortunately I've not had the time to drive it for over 6 months...
  5. I've had no issue with using the TC rod mounting points and the reinforced bits at the rear on a two-poster.
  6. Welcome! Nice save, love the original blue plates and flat-top carbs on a running motor are a rare sight these days. I'm on my second 260Z and have a bunch of old parts from my previous 240s and 260s, shout if you guys ever need anything. I noticed the condition of your bumpers and I know I have at least one early 260Z bumper, can't recall whether it's a front or rear. I also have brackets to convert an early 260 to 240 bumpers. My current one is also a 2/74 build, serial number 24368. ๐Ÿ™‚
  7. I don't know any Z folks in Monterey, unfortunately. You'd be better off posting in the "Datsun Parts and Needs" Facebook group.
  8. Anytime, glad the combo worked out for you too. I can't complain about mine, a stock clutch with 10lb flywheel is the perfect complement for a hot street-driven Z IMO. Still holding just fine after 7 years and a few thousand miles of hard pulls and quick shifts. ๐Ÿ˜‰
  9. It'll be great, put it together and let her rip. ๐Ÿค™
  10. Same. Mine has been on and off the road since 2013 with the shaved P90 @ 11:1 compression with no issues related to running California 91 pump gas.
  11. Sounds like the shift fork isn't engaging the release bearing. I'm not familiar with the S54 but sometimes this can be fixed without pulling the transmission.
  12. Nice solution! I went the other way and put Sparcos in my S2000 and run with the cushion removed on track for the same reason.
  13. You can also take this time to measure piston deck height. Put a straight edge on the deck, turn the crank until the piston rests on the straight edge, zero the indicator and go all the way up. Place the indicator along the wrist pin and the straight edge intersecting the wrist pin.
  14. Not a problem at all. I sold that Z probably 5-6 years ago but it was a harsh ride. Due to the lower spring perch on the front, the Eibach springs made the car very susceptible to bottoming out. This is not due to coil bind but to a lack of travel in the dampers with the car that low. My current Z sits lower on coil-overs but it rides much better than my old orange car because I sectioned 2" out of the struts. Frankly, I'd stay with the 280Z springs and make the rear work if you want more sports-car handling without sacrificing impact harshness as much. If you can do a little measuring, you should be able to figure out how much extra height you need. Measure ride height (e.g. wheel lip to wheel well), jack up rear end until it sits where you want it, re-measure ride height. Multiply that change in height by the rear motion ratio (~0.90) and you'll have your desired spacer height. Motion ratio reference: https://forums.hybridz.org/topic/63492-suspension-tech-motion-ratio-unsprung-weight/
  15. If by sportier feel, you mean higher ride frequency, then yes. Whether thatโ€™s a good thing is another discussion. You should be able to find used isolators pretty easily. A spacer will more less do the same job, yeah.
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