hellasf1
Emira Fan
Just for fun. If you sold your EMIRA and bought another vehicle what would it be? (Around the same price or less than the EMIRA)
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Agreed. 0-60 times are def not what lotus is about. Never has, never will be. If you’re looking for straight line speed, this ain’t it. You’d be better getting something electric that launches like a rocket. We need to stop talking about the 0-60 and more of what the Emira does really well…. Like cornering, balance, chassis, etc.There's also this thing called gearing differences.
Also, don't forget power curves, or power under the curve.
Just because you have the same power to weight ratio doesn't mean you will accelerate the same way, not at all.
Emiras and fast 0-60 times don't go together. Transmission shifting is way too slow to be a contender.
This is why ground clearance matters....A hearse to carry me to the graveyard. Put me in the ground if I have to sell my Emira!
Okay so a bit childish as your initial response to me saying a 911T would be intriguing is that the Lotus “slaughters” the Porsche. And you back up your opinion with an article of someone else’s opinion. I bet I can find many articles that favor the Porsche. Didn’t need you to tell me I was wrong that I have thought of a 911T as a solid option. Also, as an Emira owner (because I do really like the car), and many times over Porsche owner and PCA racer, I find you telling me I’m wrong for considering a Porsche is a bit unqualified. Also, the Porsche models you referenced that do give you the same feeling as the Lotus (GT3, GT2, GT3RS and others) - I seriously doubt you have driven all of these as they have become rare beasts that no dealer will give the keys to unless you are the buyer. So, your opinion is “fact” because of a magazine article?
- “No Stuttgart sports car is going to outdo the little(ish) Lotus in the visual drama stakes”
- “The 992 just isn’t anywhere near as arresting”
- “The bare-knuckle feedback that defines the Emira experience from the first wheel revolution isn’t present in anything like the same quantity”
- “Additionally, that easygoing nature and intangible flow to the Lotus experience - still a marker of the low-weight ethos - is not replicated in the 911.”
- “The steering (with optional RWS) is super responsive by comparison and arguably better weighted, though it lacks the accuracy and the animation of the Emira.”
- “Despite the missing rear seats, lightweight glass and driver-focused spec, the T is initially more distant than the Lotus. By a margin. “
- “Even with the adaptive exhaust in its correct setting, the flat-six sound is not quite as stirring and the clutch bite vaguer.
- “The sound is reasonably exciting, if nothing on the shrieking rasp of the V6. Every time the Emira’s heftier gearbox and clutch felt like the better option (certainly its ratios are preferable)”
- “In the 911 there’s more angst about whether the auto-blip should be on, whether the damping control should be stricter and so on. It can be left well alone and still deliver convincingly, of course - agile, disciplined, tireless - yet it is harder to establish a rhythm with. The T feels like it wants maximum attack to show off its best, while the Lotus is as easy as a Sunday morning.”
- Even scratching the surface of its ability, the Emira enthralls. The Porsche isn’t so immediately charming”
- “This time, though, with the emphasis on driving pleasure, the Lotus must take the spoils. It’s a more demanding car to pedal, requiring more thought about weight distribution, entry speed and so on, yet because it is such a treat to engage with, that additional effort never seems like a chore.”
Decisive victory from my standpoint.
HP required for sub 3-sec 0-60 time is a pretty basic calculation, but I’m too lazy to do it manually so went to this calculator: https://www.carspecs.us/calculator/0-60When seeking to improved performance, most people think of adding horsepower which is the obvious choice. It's the quickest way, but as you know when you do that, you have to beef up other areas. That's basically the brute force method for increasing performance in a straight line.
The real focus shouldn't just be horsepower; it should be the weight to horsepower ratio. What most people don't think of, and it's certainly not intentional, is when they start having to beef up other parts of the car to cope with the power increase, they're subtly working against that ratio by adding weight against their power increase.
Colin Chapman's philosophy of adding lightness to achieve performance isn't as dramatic or glamorous, and it has to be done in many small steps, so you don't get that big jump in performance all at once like you do with a big power upgrade. Visually and audibly it tends to be in the sleeper category because it's not immediately obvious.
To improve the weight to power ratio (W/P) there's 2 types of weight you can focus on. The obvious one is just static weight, and you have to remove a lot of it to make small differences. The second type which is by far the most beneficial is rotating weight, with unsprung rotating weight being the most beneficial of all.
There are many different claims about the benefit ratio, with anywhere from 4-to-1 to 20-to-1 of the amount of static weight you'd have to remove to equal the benefit of unsprung rotating weight, but going with the most conservative of 4-to-1, after I upgrade the brakes to CCB, I'll have removed a total of 53 lbs of unsprung rotating weight from the wheels. That would be the equivalent of 212 lbs of static weight removed. I'll also have an additional 60 lbs of straight static weight removed, so the total benefit would put me at about 2,995 lbs of performance weight for the car.
Right now I have an estimated 418 bhp, which would give me a W/P of 2995 ÷ 418 = 7.16. A 2020 C8 Z51 stock has a W/P of 7.37 and a 0-60 time of 3.0 according to the factory stats. Even though my W/P will be slightly better, I don't have the 470 ft lbs. of torque the Z51 has which gives it a huge advantage off the line (as well as an automatic). The advantage I'll have is I'll be over 600 lbs lighter. I'm figuring I'll be somewhere in the mid 3's. A Komo tune taking into account the Eventuri, would hopefully put me close to 445-ish power-wise, and according to them another 22 ft lbs of torque. According to the dyno runs I had, I have 318 ft lbs of torque right now, so the Komo tune should put me somewhere around 340 ft lbs. That would drop my performance W/P to 6.73. That's significant.
Right now this is calculations and estimates, but once I get the Dragy and can do some measured runs, I'll have actual performance data to post.
If nothing else, this will be at least interesting.