Mph in each gear at 8200 ? (Search did not work for me)

[Patrick Dietrich]

Curious is all. Friend was comparing feel to his bolt on 11-12 GT also with 3.73s

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[ThreeFiveO]

Third is approximately 108mph

 

[Patrick Dietrich]

That one I know. At 500 miles I've only done a few redline pulls in 2nd and third.

 

[Blaze489]

1st 52ish
2nd 80ish
3rd 110ish
4th 140ish
5th 175ish

 

[xt6wagon]

Someone did a chart, be aware the GT350 and GT350R are a decent bit different due to tire size.

 

[Offboost]

Curious what the difference between the R with 30 series tires is and regular GT 350 with 35 series is.

 

[Zombo]

Something I put together a while back...

 

[Norm Peterson]

↑↑↑ . . . if your chart is basing speeds on the calculated tire circumference, the mph values computed are likely about 3% too high (it's a tire tread compliance thing that varies from less than 2% to about 3.5%)). If you're using tire mfr supplied revs/mile, your results will be a lot closer but still not perfect.

Is the chart on the second page missing axle gearing as a multiplier?


Norm

 

[nastang87xx]

1st gear is so unnecessarily long.

 

[Zombo]

↑↑↑ . . . if your chart is basing speeds on the calculated tire circumference, the mph values computed are likely about 3% too high (it's a tire tread compliance thing that varies from less than 2% to about 3.5%)). If you're using tire mfr supplied revs/mile, your results will be a lot closer but still not perfect.

Is the chart on the second page missing axle gearing as a multiplier?


Norm

I sized the tire diameter based on Car & Driver actual speed in gear measurement data.

I did not include the final drive factor on the shift chart; since it is a constant, I was just trying to highlight that redline shifts are best with the GT350 drivetrain.

 

[BoomBoy]

1st gear is so unnecessarily long.

Really? I thought it was perfect. The fact of the redline is 8200 makes it feels long but it's really not.

The 6th gear is the other story.

 

[superman07]

6th is a waste, just to get a mpg rating above 16 lol.

 

[Patrick Dietrich]

Something I put together a while back...

Very nice chart.

 

[Darkane]

Really? I thought it was perfect. The fact of the redline is 8200 makes it feels long but it's really not.

The 6th gear is the other story.

First is long. Torque multiplication through gearing is what you do with a huge redline. Not make a 54mph first gear lol.

If first was say 47-49mph, we would probably shave .2 off the 0-60 time

 

[firestarter2]

First is long. Torque multiplication through gearing is what you do with a huge redline. Not make a 54mph first gear lol.

If first was say 47-49mph, we would probably shave .2 off the 0-60 time

I agree on first being too long ill never use the top half of it.

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