What did you do to your Evora today? - Page 236 - LotusTalk - The Lotus Cars Community
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post #4701 of 4727 (permalink) Old 07-10-2019, 03:23 AM
scv
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A thought; in checking corner weights et al, I believe it is required to disconnect sway bars, as any preloading will affect readings, giving faulty results.........? Re: "How to Make Your Car Handle" Fred Puhn. Julian 73, I believe you have first hand knowledge of him????

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post #4702 of 4727 (permalink) Old 07-10-2019, 03:37 AM
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Quote:
Originally Posted by Bobsy Racer View Post
Your Corner Weights are messed up:
your LF is 23 Lbs more than RF, while your RR is 38 Lbs more than LR.
Either LOWER the LF or RR. OR RAISE the RF or LR until the Left to Right ratios are EQUAL, WITH the driver in position.
It DOES make a difference in handling.
How does one do that with non adjustable suspension?

Also, I'm getting total weights, the corner scales were purchased to corner balance my buddy's cars.

Current:
2018 Evora 400 Metallic Black Manual
1998 Volvo V90 silver L59/4L60 swapped
1970 Honda CT70 Red

Sold:
2017 Audi R8 Silver V10/DCT
2010 Evora Carbon Grey Manual
12 others...

Last edited by tye-bo; 07-10-2019 at 03:39 AM. Reason: Bad at forums
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post #4703 of 4727 (permalink) Old 07-10-2019, 03:52 AM
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Hey tye-bo thank you for posting the weight of your car! Just to be clear, than is a Evora 400 with the glass hatch, forged wheels, what other options?
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post #4704 of 4727 (permalink) Old 07-10-2019, 04:26 AM
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Originally Posted by Champale View Post
Hey tye-bo thank you for posting the weight of your car! Just to be clear, than is a Evora 400 with the glass hatch, forged wheels, what other options?
It is an Evora 400, with a lithium ion battery replacement, carbon hatch, and a few other smaller mods. Other than those it's a bone stock E400, cast wheels, standard roof, US spec exhaust, etc..

Current:
2018 Evora 400 Metallic Black Manual
1998 Volvo V90 silver L59/4L60 swapped
1970 Honda CT70 Red

Sold:
2017 Audi R8 Silver V10/DCT
2010 Evora Carbon Grey Manual
12 others...
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post #4705 of 4727 (permalink) Old 07-10-2019, 04:35 AM
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Ok excellent thank you!

Which lithium battery did you switch to? Impressions?
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post #4706 of 4727 (permalink) Old 07-10-2019, 04:43 AM
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Originally Posted by Champale View Post
Ok excellent thank you!

Which lithium battery did you switch to? Impressions?
I have the Antigravity group 47 24Ah battery, I can't really tell any difference from driving normally. I keep the LIon charger on it whenever it's sitting for more than a day or two. Also, it doesn't fit on the factory bracket so I had to make my own.

https://shop.antigravitybatteries.co...tive/ag-h5-rs/

The main thing is that in total, my car is 90~lbs down from OE weight (58lbs in the picture above).

Current:
2018 Evora 400 Metallic Black Manual
1998 Volvo V90 silver L59/4L60 swapped
1970 Honda CT70 Red

Sold:
2017 Audi R8 Silver V10/DCT
2010 Evora Carbon Grey Manual
12 others...
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post #4707 of 4727 (permalink) Old 07-10-2019, 05:04 AM
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That is very impressive weight loss! I would like to shave weight off the exhaust and battery myself. But with the 3rd cat delete the car is SO LOUD in Race that I am not sure I want to go any louder! And I don't want to give up the exhaust valve, either, because it's amazing how quiet and serene the car is at very high speed cruising. Plus, I am doing the 10% final drive reduction soon so keeping the slightly higher revs quiet on long freeway trips would be nice.

I keep my Evora on a charger every time I get home and have previous (very positive) experience with lithium ion batteries in several sportbikes so it is something I consider for my cars periodically.
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post #4708 of 4727 (permalink) Old 07-10-2019, 07:52 AM
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Quote:
Originally Posted by scv View Post
A thought; in checking corner weights et al, I believe it is required to disconnect sway bars, as any preloading will affect readings, giving faulty results.........? Re: "How to Make Your Car Handle" Fred Puhn. Julian 73, I believe you have first hand knowledge of him????
Actually it is Bobsy Racer that is an acquaintance of Fred Puhn. However, you are correct that sway bars will have an impact on loads measured if they have any twist due to ride height differences from side to side, So ideal would be to undue one link on each of front and back.

'17 Evora Sport 410 GP (No. 1 of 9) LMS alloy pan, BOE headers, SSC harness bar
'12 Evora S GP (No. 1 of 14) BOE Prototype Stage 2 - 420+bHp **SOLD**
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post #4709 of 4727 (permalink) Old 07-10-2019, 08:04 AM
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Quote:
Originally Posted by tye-bo View Post
How does one do that with non adjustable suspension?
You can't the easy way.

Of course, you could try to do some weight re-distribution....maybe you want to add some weight back or hack up the interior to reduce wight at one corner or another .... just kidding. Your CB is fine for a street driven car.

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post #4710 of 4727 (permalink) Old 07-10-2019, 08:08 AM
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If you don't mind we have a weight section under the "How to" subsection with a link to a universal spreadsheet that you can add your stuff.

Fuel load at weigh-in is significant as a 1/2 tank is 49 lbs of fuel.


I have measured a 2012 S GP at 3165 with full tank, a 20917 410 GP at 3080 with fuel tank and now your lightened 400 is correcting out (with full tank) to 3218 base, 3160 at weighing and 3128 post mod.

This is along with my info is confirming that the base 400's are actually heavier than the Series 1 cars despite the publication of weight reduction. The interesting thing is that the 410 was sold as having 132 lbs reaction form the 400 ... that part of the marketing is about right.

'17 Evora Sport 410 GP (No. 1 of 9) LMS alloy pan, BOE headers, SSC harness bar
'12 Evora S GP (No. 1 of 14) BOE Prototype Stage 2 - 420+bHp **SOLD**
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post #4711 of 4727 (permalink) Old 07-10-2019, 10:58 AM
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Quote:
Originally Posted by scv View Post
A thought; in checking corner weights et al, I believe it is required to disconnect sway bars, as any preloading will affect readings, giving faulty results.........? Re: "How to Make Your Car Handle" Fred Puhn. Julian 73, I believe you have first hand knowledge of him????
Correct, corner weighting should be done with the sway bars disconnected, BUT ONLY IF they have adjustable links that can be set to passive no preload after corner weighting.
Yes, Fred Puhn is a personal friend of mine, and his book "How to Make Your Car Handle" is excellent.
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post #4712 of 4727 (permalink) Old 07-10-2019, 11:49 AM
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Quote:
Originally Posted by tye-bo View Post
I have the Antigravity group 47 24Ah battery, I can't really tell any difference from driving normally. I keep the LIon charger on it whenever it's sitting for more than a day or two. Also, it doesn't fit on the factory bracket so I had to make my own.



https://shop.antigravitybatteries.co...tive/ag-h5-rs/



The main thing is that in total, my car is 90~lbs down from OE weight (58lbs in the picture above).


Is there anything additional needed to convert to The Lion battery? You mentioned having To make your own bracket, but wasnít sure how involved that got.


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post #4713 of 4727 (permalink) Old 07-10-2019, 08:29 PM
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New GTC bumper from Hethel Sport!
Thanks Sherman 👍
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post #4714 of 4727 (permalink) Old 07-12-2019, 04:23 AM
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Originally Posted by kell211 View Post
Is there anything additional needed to convert to The Lion battery? You mentioned having To make your own bracket, but wasnít sure how involved that got.
It was a bit of doing, I got a piece of aluminum, accompanying hardware, and used the CNC plasma cutter to make my own. The group 47/48 batteries are 5~mm too tall to fit on the factory bracket, and the factory bracket is designed for a much heavier battery. Therefore, I could get away with a less rigid design as the lateral load is significantly reduced on the LIon battery. Here are the two side by side. Also, since I needed to reduce the mass as much as possible, the cutouts are a bit of an easter egg.
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Current:
2018 Evora 400 Metallic Black Manual
1998 Volvo V90 silver L59/4L60 swapped
1970 Honda CT70 Red

Sold:
2017 Audi R8 Silver V10/DCT
2010 Evora Carbon Grey Manual
12 others...
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post #4715 of 4727 (permalink) Old 07-14-2019, 01:37 PM
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Put the pack rat-violated baby onto a closed truck for transport to Las Vegas for repair. After three weeks of discussion and negotiation, my insurance company is covering the not-insignificant shipping costs. But I could just as easily be an additional grand out of pocket to get the car to Vegas. Come on Lotus, this isnít a good situation. There is a giant hole in the dealer network in the Southwest US. Las Vegas is a 6.5 hour drive away. You gotta fix this.




2017 Lotus Evora 400 (6-speed) Yellow on Black

2014 Lotus Evora S 2+2 (6-speed) Verde Ithaca paint with Ebony Black/Red piping interior {Sold}

2010 Lotus Evora, White with Paprika interior, (6-speed){Traded-in}
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post #4716 of 4727 (permalink) Old 07-14-2019, 04:20 PM
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the last toy

New Evora 400 Observations

The speedometer is close to accurate for the 1st time ever, about 1-to-3 mph too high. Had to subtract 8% from the analog speedometer on the Elise and í12 Evora. Digital mph readout is nice. Why no 12 hour clock?

Getting better with the clutch when starting in 1st gear (the clutch grabs quickly) - do not like over revving or stalling. Iíll blame it on sometimes hard to hear the engine revs. It has been a while since I drove the Elise for 6 years. Shifting the other gears is very smooth.

Still do not like a starter button (the Elise had one) - seems like an unnecessary step when starting the car.

No need to fiddle with the gas peddle on startup. The car starts with a roar every time. If you like a car that sounds nice, this is the one.

Now past the 600 mile break-in period. I assume it is the supercharger that kicks in at higher revs for an additional boost? Reminded me of the Elise with its variable valve timing.

Cabin noise level seems higher than the í12. At times a fair amount of tire noise depending on the road surface.

No auxiliary power outlet in the center under the dash is not good. Still no glove box big enough to hold the ownerís manual? There was no tool kit. Iíve asked for one. No need for a tow hook? Just the lug nut torx tool. The cup holders seem not useful for front seat passengers. I reinstalled the front passenger seat bar cup holder from the previous Evora.

Was surprised how quickly the heater cranked out hot air soon after starting. The AC is also nice. The climate controls are top notch.

Mainly everything is much better designed. The pull straps to tilt the front seats for access to the rear are nice. Was hoping for a 2+0, none available.

An online 114 page (ridiculous) userís manual for the radio, but nothing about the Nav. The screen is very bright and easy to see in sunlight. A friend has a Ford Taurus - over 500 page user's manual!

1st tank ≈ 26 mpg

Seats not as plush as the í12 Evora, but OK. I Like the tilt adjustment.

Excellent dealer. Complimentary service included for the 1st 3 years. Delivered to my doorstep, and loaded the old one up as a trade in.

An awesome car.
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SOLD-2005 Elise Starlight Black, hardtop, touring pack (36K+miles). SOLD 2012 Evora IPS 2+0 Starlight Black Larini Sport Valved (40K+miles). 2018 Evora 400 Starlight Black 2+2, purchased June 2018. 2012 Elantra, 2005 Astro Van.
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post #4717 of 4727 (permalink) Old 07-15-2019, 02:18 AM
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With you on Start buttons. My wifeís car has one, itís a PITA.

My understanding is the supercharger is always spinning throughout the rev range, it doesnít spool up like a turbo. Never had one though!

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Previous: Lotus Sport 111, Lotus Elise 111R
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post #4718 of 4727 (permalink) Old 07-15-2019, 06:41 AM
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Originally Posted by DBG View Post
With you on Start buttons. My wifeís car has one, itís a PITA.

My understanding is the supercharger is always spinning throughout the rev range, it doesnít spool up like a turbo. Never had one though!
Superchargers are belt driven off engine thus boost in proportion to engine rpm
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'17 Evora Sport 410 GP (No. 1 of 9) LMS alloy pan, BOE headers, SSC harness bar
'12 Evora S GP (No. 1 of 14) BOE Prototype Stage 2 - 420+bHp **SOLD**
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post #4719 of 4727 (permalink) Old 07-15-2019, 12:41 PM
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What did you do to your Evora today?

You learn something every day. I had assumed boost must have been consistent throughout the rev range as Iíd read so much about the huge increase in torque down low. Thanks mate.

Lotus Evora
Previous: Lotus Sport 111, Lotus Elise 111R

Last edited by DBG; 07-15-2019 at 12:53 PM.
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post #4720 of 4727 (permalink) Old 07-15-2019, 06:04 PM
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You learn something every day. I had assumed boost must have been consistent throughout the rev range as I’d read so much about the huge increase in torque down low. Thanks mate.
Well I left of the second part that while boost grows linerarly it is typically capped (and is on the Lotus) with a blow off type valve. This allows fro significant boost application in the lower range. SC's defiantly have more boost in the lower rpm range and a more linear power curve than turbo's.
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'17 Evora Sport 410 GP (No. 1 of 9) LMS alloy pan, BOE headers, SSC harness bar
'12 Evora S GP (No. 1 of 14) BOE Prototype Stage 2 - 420+bHp **SOLD**
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