Redline

[kitkat]

So the confusion here is that Lotus uses the Toyota EA60 gearbox in the Evora and Emira. This gearbox actually has two final drives, one used for gears 1-4 and one used for gear 5-6. I have no clue what the final gear is for each anyone know?

Additionally, second in the Evora GT was still right around 75mph according to Komotech.

 

[Eagle7]

So the confusion here is that Lotus uses the Toyota EA60 gearbox in the Evora and Emira. This gearbox actually has two final drives, one used for gears 1-4 and one used for gear 5-6. I have no clue what the final gear is for each anyone know?

Lol so that makes it an 8 gear ratio gearbox? Gears 1-4 + final A = 5 ratios, and gears 5 & 6 + final B = 3 more? The rpms must really drop when you go from 4th to 5th.

 

[lion shf]

Stop worrying about the redline. The number is completely arbitrary/meaningless relative to other cars without the contexts of torque curves, transmission gearing, etc.

You’re right, revs add zero to the experience

 

[Pops68]

There is more to the complete package than hp. My c6z06 was perfectly balanced at 505rwhp from the factory. The most powerful Vette yet and one of the most powerful on the street at the time.
Of course with new cars emerging I fell for the "add more power" thing and eventually bumped it up about 150hp while remaining naturally aspirated. It was definitely faster but no longer as much fun to drive. You couldn't get that power to the ground and were constantly having to modulate the throttle. Add to that issues only your tuner could diagnose. Then when your tuner and/or mechanic leaves town you discover no one else is around with the talent to fix problems. Forget about taking the car to the dealer because they won't touch a modified car.
Sigh, maybe I'm just getting a little wiser in my old age but when I finally get my Emira it's staying stock!

 

[RENDERMAN]

Y’all are missing the point, all high reving engine on other sports cars were design to do just that, perfect example the S2K, for crying out loud, the Emira/Evora have a Camri engine designed to rev low because it wakes up the baby sleeping in the back seat!!

 

[lion shf]

Sigh, maybe I'm just getting a little wiser in my old age but when I finally get my Emira it's staying stock!

Yea f that

 

[TomAce]

So the confusion here is that Lotus uses the Toyota EA60 gearbox in the Evora and Emira. This gearbox actually has two final drives, one used for gears 1-4 and one used for gear 5-6. I have no clue what the final gear is for each anyone know?

Additionally, second in the Evora GT was still right around 75mph according to Komotech.

Found this on their Komo-Tec homepage:

Verkürzte Achsübersetzung (2GR/EA60) "neue Variante"

Verkürzte Achsübersetzung (2GR/EA60) "neue Variante"

www.komo-tec.com

Ratio Standard (Evora 400/410)
Gear Speed km/h at 7200rpm
1: 65,65
2: 121,65
3: 164,79
4: 213,17
5: 279,47
6: 315,21

Ratio Standard Evora 400/410 (Emira)
Gear Speed km/h at 7200rpm (6800rpm)
1: 65,65 (62 km/h)
2: 121,65 (114,89 km/h)
3: 164,79 (155,64 km/h)
4: 213,17 (201,33 km/h)
5: 279,47 (263,94 km/h)
6: 315,21 (297,70 km/h)

 

[digilotus]

Found this on their Komo-Tec homepage:

Verkürzte Achsübersetzung (2GR/EA60) "neue Variante"

Verkürzte Achsübersetzung (2GR/EA60) "neue Variante"

www.komo-tec.com

Ratio Standard (Evora 400/410)
Gear Speed km/h at 7200rpm
1: 65,65
2: 121,65
3: 164,79
4: 213,17
5: 279,47
6: 315,21

View attachment 9492


Ratio Standard Evora 400/410 (Emira)
Gear Speed km/h at 7200rpm (6800rpm)
1: 65,65 (62 km/h)
2: 121,65 (114,89 km/h)
3: 164,79 (155,64 km/h)
4: 213,17 (201,33 km/h)
5: 279,47 (263,94 km/h)
6: 315,21 (297,70 km/h)

Compare the above to a Cayman GT4 manual (@8000rpm):
1st gear - 84km/h
2nd gear - 137km/h
3rd gear - 195km/h

 

[Hapkin]

I have actually driven the Emira in anger at the Hethel track as most of you know. I do think on the track it's a crying shame it is only 6800. I kept bouncing off the redline between third and fourth. The engine is still making good power up top and you want to be in 3rd instead of shifting into 4th right before the chicanes. There is no doubt in my mind that the GT, if they use the V6 6spd will extend back to 7200.

I don't think it needs more power but it does need more revs on a track like Hethel to be honest but on Laguna Seca and Thunderhill in Northern California it will run out of steam before the end of the straight given 6800 so you will be forced to shift into 4th for a couple seconds. At Sonoma you should be fine at the top of fourth at turn 2.

In the canyons and certainly for daily driving, I don't think you will miss the revs since there is plenty of torque that is beautifully tractable all the way through the rev range, unless you are coming from a V10 R8, 911 or Cayman GT* although in those Porsche NA cars, they are gutless in low rpms and need to be revved to feel exciting speaking from previous Porsche ownership.

 

[Cachaco131]

I have actually driven the Emira in anger at the Hethel track as most of you know. I do think on the track it's a crying shame it is only 6800. I kept bouncing off the redline between third and fourth. The engine is still making good power up top and you want to be in 3rd instead of shifting into 4th right before the chicanes. There is no doubt in my mind that the GT, if they use the V6 6spd will extend back to 7200.

I don't think it needs more power but it does need more revs on a track like Hethel to be honest but on Laguna Seca and Thunderhill in Northern California it will run out of steam before the end of the straight given 6800 so you will be forced to shift into 4th for a couple seconds. At Sonoma you should be fine at the top of fourth at turn 2.

In the canyons and certainly for daily driving, I don't think you will miss the revs since there is plenty of torque that is beautifully tractable all the way through the rev range, unless you are coming from a V10 R8, 911 or Cayman GT* although in those Porsche NA cars, they are gutless in low rpms and need to be revved to feel exciting speaking from previous Porsche ownership.

Pics and write up or it didn't happen. Still waiting for the revelations from you and @Next Decade

 

[Hapkin]

Pics and write up or it didn't happen. Still waiting for the revelations from you and @Next Decade

Just talked to @nextdecade about this yesterday and we are talking again today. Some background stuff to deal with first. But noted. You will get your cheddar eventually.

 

[Mistral]

Just talked to @nextdecade about this yesterday and we are talking again today. Some background stuff to deal with first. But noted. You will get your cheddar eventually. View attachment 9806View attachment 9807

Is eventually a word that Lotus have allowed you to use? I can imagine the promised forthcoming emails shifting from soon to eventually too.

 

[Joy15779]

Very broad statement (having no clue) to make when it’s easy to demonstrate you’re wrong. Some of the best engines produced in the last decade by engineers certainly more in the know than you have been high revving - that’s not a coincidence.

That regardless the fundamental point you’re missing is this has already been done and exists. The Emira engine in a 430hp state of tune (and higher reviving) is objectively better, performance wise, than one in a 395hp state of tune. Same with one in a 410hp tune that revs higher.

Guys, the power is the result of torque and rpm. Stop. If the motor is capable of bearing both without burn, you get more power. Finish

 

[hagen111]

Just change the pully-size on the supercharger and you can easily get to higher rev-limit. You will slow down the supercharger so boost will come at higher RPMs. This is how the higher output Exiges and Evoras get to their increased power and higher rev limits. Engine is fine with stock components up to approx 440hp. Once you get over, be carefull not to melt the pistons.