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Z06 & ZR1 Transmission Gear Ratio

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Old 03-24-2010, 08:33 PM   #1
mitchdb
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Default Z06 & ZR1 Transmission Gear Ratio

Gotta question about gear ratio and speed.

T56 6 speed manual (Tremec)

Z06 1st gear - 2.66 ZR1 2.29:1
Z06 2nd gear - 1.78 ZR1 1.61:1
Z06 3rd gear - 1.30 ZR1 1.21:1
Z06 4th gear - 1.00 ZR1 1:1
Z06 5th gear - 0.74 ZR1 0.81:1
Z06 6th gear - 0.50 ZR1 0.67:1

I'm not sure about RPM's Vs Speed Per each Individual Gear so I'm just using made up RPM vs Speed

In the Z06 category, would a set RPM be cut in Half or Doubled EXACTLY if comparing 4th gear to 6th gear? For example (RPM Method) would 3000 RPM's @ 70 MPH in 4th gear (Gear Ratio 1.00) equal 1500 RPM's @ 70 MPH in 6th gear (Gear Ratio .50)? Or (MPH Method) 3000 RPM's @ 70 MPH in 4th gear equal 3000 RPM's @ 140 MPH in 6th gear? Which would equal 280 MPH in 6th gear, if it were able to pull that gear, so I'm not saying that it will pull to 280 MPH.

These all make sense to me but are there other factors like slippage?

Just curous about this stuff!

Thanks
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Old 03-25-2010, 01:50 AM   #2
50 4Ever
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Don't know rpm's but the ZR1 has a higher 1st gear and can attain top speed in 6th.

Check out some calculation websites like ----> this.

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Old 03-25-2010, 02:12 AM   #3
glass slipper
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Quote:
Originally Posted by mitchdb View Post
Gotta question about gear ratio and speed.

T56 6 speed manual (Tremec)

Z06 1st gear - 2.66 ZR1 2.29:1
Z06 2nd gear - 1.78 ZR1 1.61:1
Z06 3rd gear - 1.30 ZR1 1.21:1
Z06 4th gear - 1.00 ZR1 1:1
Z06 5th gear - 0.74 ZR1 0.81:1
Z06 6th gear - 0.50 ZR1 0.67:1

I'm not sure about RPM's Vs Speed Per each Individual Gear so I'm just using made up RPM vs Speed

In the Z06 category, would a set RPM be cut in Half or Doubled EXACTLY if comparing 4th gear to 6th gear? For example (RPM Method) would 3000 RPM's @ 70 MPH in 4th gear (Gear Ratio 1.00) equal 1500 RPM's @ 70 MPH in 6th gear (Gear Ratio .50)? Or (MPH Method) 3000 RPM's @ 70 MPH in 4th gear equal 3000 RPM's @ 140 MPH in 6th gear? Which would equal 280 MPH in 6th gear, if it were able to pull that gear, so I'm not saying that it will pull to 280 MPH.

These all make sense to me but are there other factors like slippage?

Just curous about this stuff!

Thanks
Your analysis is correct and there is no slippage in the transmission. If the clutch is slipping, that's another story. The ZR1 transmission would be preferred for racing assuming you can optimize the rear end ratio.
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Old 03-25-2010, 02:12 AM
 
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