Tire Choice for 15*7 and 16*8 - LotusTalk - The Lotus Cars Community
 1Likes
  • 1 Post By shinoo
 
LinkBack Thread Tools Display Modes
post #1 of 10 (permalink) Old 10-16-2018, 07:55 AM Thread Starter
Registered User
 
Join Date: May 2016
Location: Vancouver
Posts: 13
Tire Choice for 15*7 and 16*8

Hi there,

I am thinking of getting a new set of tire and rim for next year. If I am to get a set of 15*7 and 16*8, what setup would be easier to drive on the track?

205-50-15 & 225-50-16 RE71R or can i get 205-50-15 & 245-45-16 R888R? Not sure if 245 is too wide for my rim? or is 225-50-16 would be a better choice?

Thanks,
Thomas
JCWMINI is offline  
Sponsored Links
Advertisement
 
post #2 of 10 (permalink) Old 10-16-2018, 11:13 AM
Mike
 
Wareagle's Avatar
 
Join Date: Nov 2011
Location: Jackson, TN
Posts: 120
I have chosen 15 x 7 front and 17 x 8 rears. 16" tires don't provide a good selection. I suggest Nitto NT-01 or Maxxis RC-1 tires. 205/50/15 and 235/40/17. I tried some 245 R888 on the rear but they rubbed and I needed spacers. You can also use 225's on 8" in the front and 235's on 9" in the rear. Team Dynamics makes a good set of wheels for a reasonable price.
Wareagle is offline  
post #3 of 10 (permalink) Old 10-16-2018, 12:20 PM
He's on fire!
 
jds62f's Avatar
 
Join Date: Jun 2006
Posts: 3,050
if you're going to use re71r or r888r anyway, i'm not sure why you'd not just use stock forged wheels. I'd expect you to change the wheel setup if you wanted to use a tire other than a brand/model which already fits.

As far as your question goes, I think your suspension setup and alignment will have a larger affect on "how easy the car is to drive" than tire selection. (at least for the tires used in OP)

"Give a man a match, and he'll be warm for a minute, but set him on fire, and he'll be warm for the rest of his life."
jds62f is offline  
 
post #4 of 10 (permalink) Old 10-16-2018, 04:33 PM
Supporting Vendor
 
shinoo's Avatar
 
Join Date: Mar 2003
Location: Temecula, CA
Posts: 4,024
The sizes shown in the image below work well. I am a fan of the Toyo RA1 and R888Rs. Our ETHOS wheels fit perfectly and are designed with offsets for performance on track. If your car is naturally aspirated, I don't see any major advantage in going with larger rear tires.
Attached Images
 
lotusninja likes this.

InoKinetic - Tasty Bits for Your Lotus

BlackShadow Motors - Niche Car Sales, Service & Restoration

Email or call (951)296-6762 us for advice. We will respond!
shinoo is offline  
post #5 of 10 (permalink) Old 10-16-2018, 09:49 PM Thread Starter
Registered User
 
Join Date: May 2016
Location: Vancouver
Posts: 13
Thank you all for the input. My car is an 07 Exige S 220. Trying to get a set with lower weight.
JCWMINI is offline  
post #6 of 10 (permalink) Old 10-17-2018, 08:56 AM
Registered User
 
kfennell's Avatar
 
Join Date: Jun 2015
Posts: 1,958
Get a 1/8" spacer front and 1" rear and run miata wheels. 15x8 and 15x9 then you can run 225 front and 245 rear. Wheels weigh like 11 and 13 lbs and cost $130 each shipped. Rival S makes a good 200 TW tire in these smaller sizes. Unfortunately re-71R does not. The shorter rear tires help gearing too. With a large wing and splitter I am faster in 5th with a 23" tire then a 24" becuase I don't make enough HP to overcome the drag with the 24"

2007 Exige S with almost every track mod...
kfennell is offline  
post #7 of 10 (permalink) Old 10-17-2018, 10:44 AM
Registered User
 
elise/europa's Avatar
 
Join Date: Jan 2007
Location: montreal
Posts: 797
Quote:
Originally Posted by Wareagle View Post
I have chosen 15 x 7 front and 17 x 8 rears. 16" tires don't provide a good selection. I suggest Nitto NT-01 or Maxxis RC-1 tires. 205/50/15 and 235/40/17. I tried some 245 R888 on the rear but they rubbed and I needed spacers. You can also use 225's on 8" in the front and 235's on 9" in the rear. Team Dynamics makes a good set of wheels for a reasonable price.
+1

____________________________________

Elise 2006, white, K20 turbo GT3076R, 395 whp
List of mod: I am just stupid putting that much money on that car!
elise/europa is offline  
post #8 of 10 (permalink) Old 11-08-2018, 11:01 AM
Registered User
 
LionZoo's Avatar
 
Join Date: Nov 2009
Location: Brea, CA
Posts: 920
I'm late to this party but... I'd go with 195 or 205/50-15 fronts and 225/45 or 50-16 rears if running 15/16 (a setup I ran for many years). 245s are just a bit too wide for 8" wheels. Same with 225s for 7" wheels.

If you're going to run all 15s, note that a 15x8.5 needs to be spaced out to +20 to clear the control arms in the back. A 15x9 would need to be at least +15, and probably a couple millimeters more. I'm running a 15x8.5 in the rear as 15x9s would not fit under the stock Elise bodywork. Exige mileage may vary.

2011 Lotus Elise SC Final Edition 15 of 15 - Ardent Red
LionZoo is offline  
post #9 of 10 (permalink) Old 12-12-2018, 08:22 AM
Registered User
 
Join Date: Jul 2018
Location: San Jose, CA
Posts: 12
is there any downside to running a 225/45 in the rear as opposed to a 225/50?
Pvtdonuts is offline  
post #10 of 10 (permalink) Old 12-12-2018, 08:26 PM
Registered User
 
Join Date: Mar 2012
Location: Flower Mound, TX
Posts: 75
I am going to throw another factor out there to consider. Damage control.

I used factory sized Team Dynamics (16-17) wheels for a while. They were great, but my track will periodically develop ruts right off the curbing on track out. I am sure this does not happen anywhere else

What happens is, I will drop one of my back wheels off the curb every so often. That is not a problem in and of itself but coming back on track means that I am hitting a sharp 90 degree concrete curb with the inside of my tire/wheel. I destroyed one wheel/tire, replaced it, then bent the new wheel the next weekend. Because of the way that Team Dynamics wheels are made you cannot "repair" a bent wheel. Technically they can make it straight again but will not certify it to be safe at 90 mph.

I switched to 15-16 Ethos wheels because they provide about an extra inch of rubber over the rim. The overall package is also lighter. The Ethos wheels were the lightest per strength/dollar. I did not weigh them but they are noticeably lighter than my previous setup and seem to be better at handling my semi-off-road driving style. I have never bent one after numerous "drop-offs". They balance easier than my Team Dynamics. They are also a bit shorter so the gearing is a bit lower and the car sits lower which also helps handling.

My setup
15-16 Ethos
205 Toyo RA1 fronts
245 Toyo RA1 rears

My prior setup was:
16-17 Team Dynamics (now my street wheels)
195 Toyo R888 fronts
235 Toyo R888 rears

My lap times are better with the new setup but it is not an apples to apples comparison. I am a much better driver now and the car has other upgrades so comparison is not relevant.

I am also not claiming that everyone should switch to this setup, I have other modifications which make this setup a better option for my car and my skill level (or lack of skill as it may be).

The Ethos wheels are lighter than the Team Dynamics, price is comparable, and the Ethos seem to be stronger. I realize that I have about an extra inch of rubber but many major spins etc have not resulted in the slightest bit of damage or imbalance in the wheels. That was not a trait of my Team Dynamics wheels. Obviously this could be luck and it is definitely influenced by the tire/wheel ratio... which is my primary point.

I would consider buying the Ethos for street wheels on style points as well. Would be cool if you could get them in different finishes but I like the flat black. I think I might prefer gloss or satin finish for street wheels but flat hides the fact that I was at the track over a month ago and have not found the motivation to clean the car yet. Am I right?

The five spoke design is super easy to clean. Which is a big deal for me, I am not an auto detailer, it is just not in my blood. I want something easy to maintain.

'06 Exige Chrome Orange | NA | Touring | Traction Control | Cup Air Box | FastWorks Torque 200 | PPE Headers | PPE Cat Delete | LBH Racing Raptor Exhaust | Engine Mount Inserts | Penske DA with 600/800 springs | BOE Toe-links | Shaved Steering Arms | Sector 111 Harness Bar | Schroth Harnesses | Shifter Reinforced | DBW Pedals | DIY Clutch Stop | Team Dynamics 1.2's | Sector 111 Ultradisks | BOE TOC Oil Pan | ProRad | Radium Coolant Expansion Tank
lotusninja is offline  
Sponsored Links
Advertisement
 
Reply

  LotusTalk - The Lotus Cars Community > Motorsports > Track and Technique

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the LotusTalk - The Lotus Cars Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome