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Old 05-23-2017, 07:40 PM   #1
isotope
 
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325/30/20 tire size

Hey guys..I can grab a set of 325/30 Sport Cup 2's for the rears at a close out price. I daily the car only 7 miles a day and track it several weekends a month. This is an awesome tire, but Im thinking like the guys who run the 315/30, I too will need at least a 5mm spacer to fit. If so who makes a good spacer thats hub centric? Is anyone running that size in the rears?? I have 11" MRR's in back. Thanks!
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Black '16 2SS-- A8. MRR M017 1LE Replicas- Eagle Supercar 3's-- 305-30-20 rear--285-30-20 fronts. Roto Fab w sound delete-Ported MSD Air Force Intake Ported Stock TB-Kooks 1 7/8 LT Catless Headers Secondary Cat delete-Stainless Works Cat Back w NPP- GM Front Strut Brace-Elite Eng.Oil-Air separator-35% Tint.-BMR #SP041's Springs. BMR Front End Links-Black Bow-Ties- Installed and Tuned at Vengeance Racing Cumming GA- 476rwhp-473rwtq. Best 1320' ET= 11.37 @119.9 -1.66- 60' with 28" MT Street ET-R's on Dark Star 92's

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Old 05-24-2017, 11:53 AM   #2
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Ask this in Tire section....
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Old 05-24-2017, 12:20 PM   #3
MSMYYC
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Quote:
Originally Posted by isotope View Post
Hey guys..I can grab a set of 325/30 Sport Cup 2's for the rears at a close out price. I daily the car only 7 miles a day and track it several weekends a month. This is an awesome tire, but Im thinking like the guys who run the 315/30, I too will need at least a 5mm spacer to fit. If so who makes a good spacer thats hub centric? Is anyone running that size in the rears?? I have 11" MRR's in back. Thanks!
The Michelins turn to run small correct? That leads me to believe possibly. It's on my list of projects, but the only way to tell is to get the specs of the tire and compare it to known fitment. For example the R888 315 30 20 runs large..
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Old 05-24-2017, 12:52 PM   #4
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Nittos tend to run small.. Sport Cup 2's are pretty normal when compared to others. Yes, Toyo R888's run larger.. I have 315 R888 on a 11 inch rim and it will have no problem fitting a 11.5" rim.

You should be fine with the 325 Cup 2's on a 11" rim (although 11.5" is the ideal width for 325's).. Just move the harness or get a 5mm spacer. ZL1 addons makes them.

R888 315.. They are 12.5" wide mounted.
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Old 05-24-2017, 02:46 PM   #5
isotope
 
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Quote:
Originally Posted by Richard0nee View Post
Nittos tend to run small.. Sport Cup 2's are pretty normal when compared to others. Yes, Toyo R888's run larger.. I have 315 R888 on a 11 inch rim and it will have no problem fitting a 11.5" rim.

You should be fine with the 325 Cup 2's on a 11" rim (although 11.5" is the ideal width for 325's).. Just move the harness or get a 5mm spacer. ZL1 addons makes them.

R888 315.. They are 12.5" wide mounted.

Thank you sir! Are the Toyo's noisy?
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Black '16 2SS-- A8. MRR M017 1LE Replicas- Eagle Supercar 3's-- 305-30-20 rear--285-30-20 fronts. Roto Fab w sound delete-Ported MSD Air Force Intake Ported Stock TB-Kooks 1 7/8 LT Catless Headers Secondary Cat delete-Stainless Works Cat Back w NPP- GM Front Strut Brace-Elite Eng.Oil-Air separator-35% Tint.-BMR #SP041's Springs. BMR Front End Links-Black Bow-Ties- Installed and Tuned at Vengeance Racing Cumming GA- 476rwhp-473rwtq. Best 1320' ET= 11.37 @119.9 -1.66- 60' with 28" MT Street ET-R's on Dark Star 92's

Wish List: Procharger next.
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Old 05-24-2017, 04:55 PM   #6
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Originally Posted by isotope View Post
Thank you sir! Are the Toyo's noisy?
Only on certain highway pavements you can hear a slight hum.. I actually like the hum but I can barely hear it over my exhaust, etc.
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Old 02-23-2022, 07:57 AM   #7
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Question 2021 1ss redline.

Can anyone help? I can't seem to find a solid answer. I would like to go with the 1LE fitment for wheels and tires on my 1ss. However I would like to put 315/30/20 on the rear if I don't have to do any modifications (wire harnest etc.) Any advise would be great.
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Old 02-23-2022, 01:22 PM   #8
WhiteMale

 
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Originally Posted by joeymecat View Post
Can anyone help? I can't seem to find a solid answer. I would like to go with the 1LE fitment for wheels and tires on my 1ss. However I would like to put 315/30/20 on the rear if I don't have to do any modifications (wire harnest etc.) Any advise would be great.
Its iffy some cars rub and some don't with a 315/30 or 305/35. You're not gaining anything with a 315 over a 305 to try and reach on fitment.
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Old 03-11-2022, 09:08 AM   #9
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Quote:
Originally Posted by Richard0nee View Post
Nittos tend to run small.. Sport Cup 2's are pretty normal when compared to others. Yes, Toyo R888's run larger.. I have 315 R888 on a 11 inch rim and it will have no problem fitting a 11.5" rim.

You should be fine with the 325 Cup 2's on a 11" rim (although 11.5" is the ideal width for 325's).. Just move the harness or get a 5mm spacer. ZL1 addons makes them.

R888 315.. They are 12.5" wide mounted.
They recommend only 3mm spacer, unless you put longer studs. There is not enough threads to be safe
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