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    Thread: Pinion angle

    1. #1
      Join Date
      Apr 2014
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      Pinion angle

      Please tell me the pinion angle of my 70 Camaro.

      Speed ​​tech torque arm for ls1 and t56.

      Transmission is 2 Degrees↓

      Drive shaft up rear end

      The differential is 2 degrees up↑


      Since the differential position is above the transmission, there is vibration in the noise. Please tell me the answer.



    2. #2
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      Apr 2015
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      Hey Iím going through setting my driveline angles now too.

      What is the angle of the drive shaft? This will help you find the u joint working angles and you can go from there. Spicer has a pretty handy free app that will help calculate this for you

    3. #3
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      Quote Originally Posted by NorCal-SS View Post
      Hey Iím going through setting my driveline angles now too.

      What is the angle of the drive shaft? This will help you find the u joint working angles and you can go from there. Spicer has a pretty handy free app that will help calculate this for you
      Thank you for your reply. The shaft is on the back of 1 Degrees up↑

    4. #4
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      Ok I put your numbers into the spicer app and it shows operating angle 1 at 3 deg and operating angle 2 at 1 deg. Ideally you would want these numbers to be within 1 deg from each other. If youíre experiencing vibration it sounds like an adjustment is needed. Are you able to adjust either pinion angle?

    5. #5
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      Quote Originally Posted by NorCal-SS View Post
      Ok I put your numbers into the spicer app and it shows operating angle 1 at 3 deg and operating angle 2 at 1 deg. Ideally you would want these numbers to be within 1 deg from each other. If youíre experiencing vibration it sounds like an adjustment is needed. Are you able to adjust either pinion angle?
      The differential can be in tune. The transmission can be lowered a little.

      thank you

    6. #6
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      I think you want to raise the transmission as high as you can get it. At least that is my strategy when the pinion is higher than the transmission.

      Don
      1969 Camaro - LSA 6L90E AME sub/IRS
      1957 Buick Estate Wagon
      1959 El Camino - Ironworks frame
      1956 Cameo - full C5 suspension/drivetrain
      1959 Apache Fleetside

    7. #7
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      Quote Originally Posted by dhutton View Post
      I think you want to raise the transmission as high as you can get it. At least that is my strategy when the pinion is higher than the transmission.

      Don
      Thank you.
      I know

      Still there is vibration or noise;(

    8. #8
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      Quote Originally Posted by Shotaro View Post
      Thank you.
      I know

      Still there is vibration or noise;(
      It needs to go higherÖ
      1969 Camaro - LSA 6L90E AME sub/IRS
      1957 Buick Estate Wagon
      1959 El Camino - Ironworks frame
      1956 Cameo - full C5 suspension/drivetrain
      1959 Apache Fleetside

    9. #9
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      644
      Tremec has a cool app that finds pinion angle.

      https://www.tremec.com/menu/tremec-toolbox-app/

    10. #10
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      Quote Originally Posted by joeko23 View Post
      Tremec has a cool app that finds pinion angle.

      https://www.tremec.com/menu/tremec-toolbox-app/
      Thank you for your reply. I have a tremec app, but I don't know how to fix it.

    11. #11
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      As Don mentioned, raising the trans would help. If you could raise it so that the trans sits at 1deg down instead of 2deg down, it would get your operating angles within 1 deg.

      Also, I noticed your angles are in whole numbers. Are you using a measuring device that has resolution of 0.1 deg increments? The fractions will make a difference in calculating your operating angles

    12. #12
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      Quote Originally Posted by NorCal-SS View Post
      As Don mentioned, raising the trans would help. If you could raise it so that the trans sits at 1deg down instead of 2deg down, it would get your operating angles within 1 deg.

      Also, I noticed your angles are in whole numbers. Are you using a measuring device that has resolution of 0.1 deg increments? The fractions will make a difference in calculating your operating angles
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      Engine. 2.2↓ (87.8)
      shaft 1.3 ↑
      Pinion. 2.2↑

      Please give me some correction advice.