Pop Quiz

[geea]

On Saturday I ran a 10.99@128.7 mph this was with a 1.58 60' Whilst this in itself isn't overly remarkable the fact that it happened whilst using only 1st and 3rd gears might be. My question is what time and mph might my car have run if 2nd gear had of been working? I cahnged from 1st to 3rd @6800-6900rpm. If any more info is required ask away and I'll answer if I can.

The auto will be sorted soon so I should be able to give an answer in a couple of weeks.

Geea.

[blueboost]

with a stall of say 2800rpm in a auto, even though you miss a gear you can still run a reasonable time, you would have found that it would have slipped a bit further, maybe even 3500, but the t being a heavy car makes it lazy.

if it was a manual car it would have been slow but the auto can over come this to a degree. it would have been faster but because your car makes good power at 3500rpm, it was still a good run.

[Turbo6man]

I don't have a formula for this but can offer my long term driving experience only as a basis for what I would expect. Given the amount of torque your car produces and the fact that it is an auto, I'd estimate a time difference of probalby 0.5 secs maximum. There would be a larger time gap with a manual, in the order of at least 1 to 1.5 secs. The torque convertor, by acting as a torque multipier under full load, was your best friend at a time like this.

[geea]

Thanks guys, I was thinking around 0.5 of a sec. I was also think maybe 1-2mph but not sure.

Geea.

[DBOSS]

10.3 @ 133 mph

[Lawsy]

  Turbo6man said:

I don't have a formula for this but can offer my long term driving experience only as a basis for what I would expect. Given the amount of torque your car produces and the fact that it is an auto, I'd estimate a time difference of probalby 0.5 secs maximum. There would be a larger time gap with a manual, in the order of at least 1 to 1.5 secs. The torque convertor, by acting as a torque multipier under full load, was your best friend at a time like this.

←

We need a new smilie, one that just has a big nail and a hammer

You hit it in one mate.

Oh, but by a quick head count you wouldn't gain enough torque to be 0.5s faster, only about 0.3-4....

Torque x total ratio, area under the power curve gives you a rough idea...

[geea]

Here are the time slips from my old PB and my 10.9 with no 2nd. Notice the big difference in mid track mph.

Geea.

[bangm001]

Fark, that's crazy! What a streeter..