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Jeff G 78

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Everything posted by Jeff G 78

  1. I've been waiting for a family photo. Simply stunning! BTW, how long did it take to keep moving the cars forward and backwards to get all of the different angles? Great photography as usual Brandon.
  2. I always pull them as a unit. I've done it dozens of times over the past 25+ years and I find it to be much easier. Like siteunseen said, I use two pairs of ratchet straps as levelers. The commercial levelers are really tall and can make it hard to clear the rad support if you don't have a lot of garage height to work with. I pulled a yoke off an old driveshaft for a trans plug, but you can always find something that works to keep the oil in. Gear oil is NASTY smelling, so be sure to contain it.
  3. Gary, We just missed each other. I moved from Ohio to Michigan in 1994. They do still race at Waterford, but I prefer Grattan and GingerMan. The neighbors around Waterford complain too much about noise and it makes it very strict as to when they car run and for how long. I always wonder why people move in next to a race track and then complain about it. The track was there long before the houses. I did do a test day last summer at Waterford. One of my Z cars came from Greg Clark (is that right???) just North of Phoenix. He used to have a whole fleet of Z's for sale. I ended up selling it and then it traded hands one more time. It now belongs to another forum member "Lazeum" and resides in Paris. I'm always amazed at the journey cars take. I have bought cars from many different states and moved them around.
  4. Thanks for posting. It looks great and I'm sure it sounds even better. I had triple Webers once and they sounded fantastic. I'd like to have them on a Z again someday.
  5. As much as I liked Arne's car with the Appliance mags, I think it looks even better with the dark wheels. Glad to see it has a good home.
  6. Another beauty Guy. What wheels are you going with this time?
  7. I don't read that. Here is the description. As the name (strut mount) implies, it’s a component that attaches the suspension strut to the vehicle. In addition, it insulates the tire noise & vibrations from the vehicle. Many (front) strut mounts also contain a bearing or bearing plate that serves as the steering pivot. A strut mount is like a sandwich. One side bolts to the vehicle, the other side to the strut. In the middle is a rubber-like insulating material. So as the vehicle moves and goes over bumps, the up & down impact pushes and pulls at the mount. The mount’s job is to cushion the impacts to reduce the jarring effect, noise and vibration that could transmit into the vehicle. On many front struts, the mount also includes a bearing that the strut attaches to. With one on each side of the vehicle, these bearings act as the steering pivots. The bearing is a critical component that affects steering movement smoothness and response.
  8. I believe there are two Z clubs in the phoenix area. Try asking on those forums. One is desertZassociation.com. I can't remember the other one.
  9. I cannot get the strut out of my 260 without dropping the halfshaft and parking brake cable.
  10. +1 on the jackstands. NEVER rely on a jack. They tip over and they are notorious for bleeding height. You don't want to get crushed by your Z. Otherwise, nice job. Be sure to add oil to the tubes. It is needed to cool the cartridge. Dampers generate a lot of heat and air makes a lousy conductor. Oil will carry the heat away from the cartridge to the outer tube where the air can cool it.
  11. I would think it would be pretty hard to get coverage. Has anybody put zerk fittings in their suspension joints?
  12. Is there a source where I can buy the special grease? I did my suspension many years ago and it now squeaks like crazy for the first 1/4 mile of driving. I need to regrease everything. EDIT: Nevermind. A quick search netted me this. http://www.energysuspensionparts.com/proddetail.asp?prod=9.11104
  13. Blue, like John stated, roll cage loading could come from any direction, so it's much more difficult to optimize than a bicycle. On a bike, there are only a few load paths. You have the rider's weight on the pedals and/or seat and bars, and loads going through the tires from various angles. In a race car, you could be hit from any direction and in infinite concentrations. If stiffness was the ONLY concern, it would be simple to model. If you are just looking at front end stiffness, yes, that could easily be modeled. Again though, it depends if you are building to a rulebook or just for personal use. Some sanctioning bodies allow the cage to be tied into the chassis and others don't. You also have ease of service to consider. In your options above, "A" sucks for stiffness, but it's the only one that can be swung out of the way to remove the valve cover. "B" requires very little modification to the car, while "C" connects to the rails, requiring more extensive mods. The car in picture "D" doesn't use the OE hood latch and the brace appears to diagonal down in front of the short V8, so it's not a fair comparison. If none of that matters, "D" would probably be the stiffest from what I can tell looking at small pictures.
  14. Not a bad idea. My take on the BRE/BSR cage designs is that they are likely outdated and wouldn't be compliant, so I doubt you could gain much info from them. As for tube diameter vs. wall thickness, it is generally believed that the larger tube with the thinner wall is stronger, but I don't know if one is lighter than the other. The thing with cages is that more bars will usually increase the safety and stiffness of the chassis, so saving a bit of weight is usually secondary to making the car as safe as possible. That said, I'm sure there is room for optimization.
  15. I have used lots of stands and hoists and the HF stand should be fine as long as you keep it stable. The L6 is very long and heavy and the stand can tip if you are not careful. Their hoist is fine, but the reach is too short for a Z. I always remove the engine and trans as a unit and the HF hoist boom is about a foot too short. I remove the front bumper which helps, but it is still a few inches too short. I used a "Goodyear" brand hoist from one of the chain auto parts stores and it was much better, but I still removed the bumper to get the hook directly over the CG point.
  16. Check out the Hankook Ventus RS-3 I have the older RS-2 and I love them. They are very quiet and super grippy. http://www.tirerack.com/tires/tires.jsp?tireMake=Hankook&tireModel=Ventus+R-S3&sidewall=Blackwall&partnum=055WR6Z222&tab=Sizes
  17. I didn't make the long trek, but ChumpCar just ran this weekend at Daytona on the same circuit the 24 Hours of Daytona uses. I can't imagine trying to keep a S30 together for 14 hours on the banking! The fast cars in the field were seeing top speeds well into the 140's. I think my 260 tops out around 115 - 120, so we would have been a rolling chicane.
  18. Guy, you are my hero. Congrats on the new addition. Can't wait to see the pics.
  19. That's really cool! From people I know who have dealt with him in person, they say he acts like just another car guy.
  20. Mike, the tractor trick sounds like a great idea. It would save lots of back breaking manual labor.
  21. Google "POR-15 gas tank". Buy it directly from them online. Since you are in AZ, there is a chance that your tank is in great shape other than the crusty fuel. If so, try cleaning it first prior to resealing it. I have gone through several tanks and it's an extensive project to do it right. If you don't do it EXACTLY right, you are throwing a lot of time and money away and will end up looking for a good tank to buy.
  22. Somebody just a week ago said to fill the hose with sand and bend it while heating with a torch. The sand will keep the hose from crimping and it will retain the form once cool. I haven't tried this, so YMMV. I soldered 1/2" copper elbows together to make the 180° bend and it has worked fine for three years. I've had it apart several times and it looks exactly like it did when I first installed it. The only downside is that the copper doesn't have any lips to keep the hose in place. After having the tank out and reinstalling it, I had the hose slip out of the fitting and spew fuel all over the place when I filled the tank with gas. I thought I had it fully seated and tight, but I must not have had it quite right. I had to drain 16 gallons of gas at the track and drop the tank to fix the problem. I missed the first practice session and was covered in gas, but once I got it on securely, it has been fine.
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