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wheelman last won the day on June 13 2011

wheelman had the most liked content!

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About wheelman

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    Fastest Jack-Stands
  • Birthday 10/30/1964

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    Kennewick, WA.

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  1. Are you sure the springs are the correct ones? When I did that kit on my 240Z years ago I didn't have to compress the springs at all to put the top retainer on, unlike taking off the originals. Mine lowered the front of the car more than the rear and didn't leave much travel before coil bind, but the fronts were progressive so that was supposedly normal. I got rid of them.
  2. It's not even fronts but just the right front hub that has broken twice. Rear stubs were mentioned in the context of converting to 5-lug hubs in the front which would prompt a switch to 5 lug stub axles and associated flanges in the rear. I saw those hubs from TTT but am not comfortable running aluminum hubs considering the issues I've run into with the steel ones.
  3. Thanks NewZed but I'm not putting any 240Z hubs back on the car. I'll either go with the 280 hubs I have (they "look" significantly stronger than the 240 units) or I'll switch to 5 lug 300ZX hubs as Logr suggests. The downside I see for me with the 5 lug swap is sourcing a set of rear stub axles that are configured to work with 300ZX-T CV axles. MM used to offer billet sets but with them being defunct I don't know where to go to get a set. The reason this is an issue for me is I had my 240 inner stub axle flanges modified to work with the CV axles by MM instead of switching to 280 st
  4. I don't know for sure Mike but they look to be in the same plane just eyeballing it. As I said before, the most perplexing part of this whole thing to me is I ran that first front pair of Diamond wheels for almost 7 years without any problems. The key difference seems to be when I switched to the Hoosier A6s and had Ricky co-drive with me. I'm not saying Ricky had anything to do with the failures but he has helped me to become faster and he is very fast. It might be that the combination of the A6s and both he and I pushing the car that much harder is what ultimately lead to the failu
  5. Here are the pictures I promised The back of the wheel center, as you can see they aren't flat but there are 2 "rings" that contact the hub, one right at the outer edge and one very close to the center. Based on the worn paint the rims must be moving a bit and it is apparent that there is contact all the way around both the inner and outer rings. Whats left of the wheel hub The parts that broke off Even though there is contact between the wheel center and the hub there are a few spots where it looks like it may not be completely uniform pressure. I think
  6. Jon, You mean put a wheel spacer between the hub face and the back side of the rotor hat? That could work, then it would be a matter of finding a rotor with the correct stud spacing and backspacing. Any ideas of ones that would be contenders?
  7. That's an interesting idea, I wonder if anyone has figured out a combination that will work on the Z spindle. Whats got me the most perplexed is I ran essentially this same setup for years with no problems. The biggest differences are Hoosier A6s vs. Kumho V710s (on the same rims), and vented front rotors vs solid front rotors (both of which bolt to the hub in exactly the same manner). There is a HUGE difference in the grip levels between the 2 tire brands but I'm having a hard time accepting that we're producing enough force to actually break the hubs. The one aspect of the site
  8. Good point to both!!! Maybe the admins can combine them into one for us. Hint Hint!!!!
  9. Bill, Yes, I got the PM and it's an interesting idea, I wonder if there's any place to get them now that MM is defunct. The 3.54 gears are almost perfect for the car, I have the rev limiter set at 6000 rpm which is ~68 mph in 2nd with the tires and transmission. If I went with 3.70s I get a little better acceleration but would drop the top speed at the limiter unless I bumped it up to the range you mentioned. Those rpms are way beyond the cam I'm currently running, the power tops out at ~5800 rpm. I'd rather not push the rpms up, the current setup is conservative but provid
  10. I guess I should've looked closer before starting my own thread on this topic, anyway here's a link to the thread I started: http://forums.hybridz.org/topic/119688-wheel-hub-broke-again/ To answer the questions asked so far: 1. NewZed, No, not the same wheels but the same type of wheels. After the last incident I purchased 2 new Diamond racing wheels 16X10" with 4.5" backspacing. Same basic wheel as the ones I was running before with the exception that the old ones were 9.5" wide. Same tires, Hoosier A6s 275/45-16. We never did settle on a favorite theory in the other thread but
  11. I don't have an entertaining video this time as the failure didn't happen on track, but the right front wheel hub broke again. The last time this happened was back in May of this year and the wheel hub totally failed at the end of an autocross run allowing the wheel/tire to exit through the fender destroying it. This time I discovered the failure before the hub completely failed but the same one broke. 2 of the "ears" failed on opposing sides of the hub, broke off completely just like on the hub that failed before. I discovered it at the end of the day when I removed the whe
  12. Thanks for the offer Ryan but there are essentially no stock parts left in the suspension.
  13. Going by the picture they are also WAY too big to fit in the strut tower of a Z.
  14. I've never measured them but they don't get all that hot, the rotors don't show any signs of over heating and my understanding is the majority of the heat the hub sees will come from them. The bearings are new with no signs they were getting hot either, the grease in the hub still looks new. I think the failure was due to old age and the abuse I put the hub(s) through over the years I've autocrossed the car. The location where the majority of our events are held is an old round-e-round track with a mostly dirt/grass infield and some pretty tall asphalt edges. I've spun the car off int
  15. The rotor never touched the ground. I have roll center (bump steer) spacers between the control arm and strut that space the end of the control arm down below the edge of the rotor. That's why the ball joint was destroyed.
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