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dhp123166

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Posts posted by dhp123166

  1. Thanks...

     

    _________________________________________________________________

     

    1976 280z- Semi bone stock.

     

    My identity is not entangled with a vehicle particularly one with as finite a life as one with with an internal combustion engine.

     

    Por ejemplo, those bozos into riding motorcycles and their lifestyle of "freedom" and all the fancy costuming that entails are going to look pretty funny riding bicycles when they no longer have access to the cheap fuel which their "freedom" rests firmly upon...

  2. So I went over to the tire shop where I had purchased my tires and asked them to dynamically balance them.

     

    This was the shop that originally supposedly balanced them.

     

    But then I do not remember seeing any sticky weights on the front of the rim like had been done in the past.

     

    Free of charge.

     

    Problem solved.

     

    Another great thing about my Z: 80 % of the time when I am thinking it is

    something dire and obscurely wrong, it is usually something much simpler.

     

    Thanks again for clarifying with words and diagrams the different kinds of wheel balancing...

  3. I was using harmonic balancer as an example meaning that these Z's seem to be so well engineered that some things that fail after thirty years can cause alot of trouble and they can be such an easy repair.

     

    I will definitely research the tire balancing more as I have free balancing.

     

    The pinion seems to have over .3 mm of play which is what the service manual recommends as a cut off point.

     

    I measured this with a cursory twist though, seemed to be awful loose,

    how much play should there be???

     

    Should I be able to move the pinion with my hand while the car is stationary on the ground???

  4. By everything being "fine", I mean that a mechanic went over it and he found nothing of a problem enough to charge me for...

     

    So everything really is just "fine"...

     

    One thing I did neglect to mention is that I am running wider rims. They are balanced as I know enough to get that fixed at the first sign of a problem.

     

    The tires are new as well.

     

    There is something wrong because I have run it in its' current set up with no shimmy before.

     

    My current thinking is that it is something really esoteric, i.e. once in a lifetime replacement like the harmonic balancer...

     

    According to the service manual it could be something in the steering box...

  5. Right at about 40 mph I have this insane wheel shimmy and above and below that it pretty much disappears.

     

    The steering rack components have been gone over and they are nice and tight. The axle bearings were just repacked and they are fine.

     

    My wheels are balanced, and I just replaced the old tension rod bushings.

    If anything this has made the problem worse.

     

    What could it be??

  6. Funny thing,

    While perusing for sale posts on HybridZ, it appears that there are always a ton of responses, but they always seem to be about anything

    other than buying; " great (insert product name), or " I wish I had the money ", or " Will you trade? ".

     

    I can just picture the sellers saying to themselves, " Does anyone buy

    anything anymore? "...

  7. Yeah, it is the pulley where the fan clutch used to be..

     

    I have one other thing; unusual tire wear... I have 265/50 15's in the rear of my Z. They are on 8 inch wide rims. The last three sets I have had wear in the middle like they are overinflated (which is not the case) and they only last for like 15,000 miles.

     

    Too much tire? Wrong size? I think I am going down to 225/ 60 15's.

     

    Thanks...

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