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Tommy

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Tommy last won the day on May 5 2023

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  1. Hey Tommy, maybe we can chat here. I tried to PM you too, but the message box is no where to be found.

     

    I'll try to dig up the finer details of the drive shaft, but to cliff note it: 

     

    I took the pieces to southbay driveline here in CA and told them the specs and length and they built it. its 1 piece with a slip yoke end/style. I'll snap a pic tonight when I get home. 

     

    Speed driven... so far 110MPH. that was right after i got the engine tuned and I think they took the MPH up to ~130 on the dyno (hub dyno. not wheel dyno). 

    1. Show previous comments  1 more
    2. bianchini

      bianchini

      my diff is out of an e30 with 4.10 ratio. Since the s2000 is the same ratio for its diff, thats what I went with. I wish I could find a 4.10 e30 LSD, but i think those are rare. 

       

      I havent had any vibration issues yet, but I will definitely keep an eye on it. I thought length of driveshaft also was a factor?

    3. Tommy

      Tommy

      At 200km/h that would be about 7400rpm at the shaft according to quick calculation. For me it would be about the same since I have 4.44 diff but higher 17" wheel. I made the calculation with 205/50/15 tire diameter.

       

      Yes, length and pipe diameter are the factors. When I tried one piece shaft the vibration was so bad that I almost lost vision when hit something like 160km/h. Shaft would have blown in pieces if I didn't slow down.

       

      I would be glad to see pictures of your setup if it's not too much trouble.

       

       

    4. bianchini

      bianchini

      sounds good. I'll get you tire specs and driveshaft photos this weekend. possibly a video at different RPMs and speed. 

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