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Old 11-14-2017, 08:21 AM   #113
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Tons smarter about this stuff now, off to make bad decisions 305 on 10"and 11" x4 (probably throw lots of gravel from our less than perfect asphalt), or 285 and 305 stagger hmmm....
we race for fun(awesome class lol) and only get out a few times but still want to beat as many as possible per day
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Old 11-14-2017, 08:37 AM   #114
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Square setup is the only way to go in a 5th gen. They already want to push, staggered setup will do nothing but make it worse.
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Old 11-27-2017, 08:45 AM   #115
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It was established back on the fall of 2009 that 305/30s were THE setup for the 5th Gen. I just can't seem to remember the name of the genius that did that...
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Old 11-27-2017, 03:38 PM   #116
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Think there was a capitol J and P in the name somewhere :-).
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Old 11-27-2017, 03:41 PM   #117
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Think there was a capitol J and P in the name somewhere :-).
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Old 12-02-2017, 09:51 AM   #118
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It was established back on the fall of 2009 that 305/30s were THE setup for the 5th Gen. I just can't seem to remember the name of the genius that did that...

Pete, do you have a strong opinion on 20" vs 19" wheel?
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Old 12-06-2017, 08:25 AM   #119
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Pete, do you have a strong opinion on 20" vs 19" wheel?
The 19 allows you to lower the car without changing the suspension geometry, a big plus. Add to that reduce unsprung weight and rotating mass and you have a pretty big advantage.
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Old 12-06-2017, 08:59 AM   #120
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The 19 allows you to lower the car without changing the suspension geometry, a big plus. Add to that reduce unsprung weight and rotating mass and you have a pretty big advantage.
Thank you.
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Old 12-06-2017, 08:59 AM   #121
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Only reason I can think of for running 20's would be if your rotors/calipers won't fit inside anything smaller.


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Old 12-06-2017, 01:31 PM   #122
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And 19s get you a bit quicker acceleration by effectively lowering rear gear ratio. It is noticeable
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Old 02-11-2018, 03:54 PM   #123
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Quote:
Originally Posted by Cornercarver View Post
Square setup is the only way to go in a 5th gen. They already want to push, staggered setup will do nothing but make it worse.
Badlands motorsport resort is happening finally up here so
good stuff I waited on the advice
so to you and Justice Pete thanks!
found a set for the square set up on my ride tech coil over lowered ss
CCW SP16A 19x10 5x120. with a 15 and 21 offset for a dedicated track set up so probably will do the 305s 26.2" dia still need to do the due diligence 285-26,8" dia might be safer slightly slower route providing the 305s don't cause me to top out on track with the 3.91 gears
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Old 02-11-2018, 07:11 PM   #124
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I have the 305s on 10.5" wheels, and I don't know that I'd want to go down to a 10" wheel. 285 will probably be more responsive and maybe a little faster, depending on the situation.
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Old 02-12-2018, 03:52 AM   #125
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That's what I have been thinking about also some have but a 285 first set might be a good idea just to see the fit not real sure about it there is a back space number also 6.75 back space on the 21 offset and 6.1 back space on the 15 offset they were left out of the weld wheel take over and are new so ... will be in there like a dirty shirt if I knew for sure they would work I believe the may be proud of the fender in which case the 305s are a smaller dia will see in a dry fit up lots of time first asphalt at the track is next June lol
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Old 02-12-2018, 06:42 AM   #126
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285/35 is still "in spec" on wheels all the way out to 11" wide (the 5th gen 1LE runs this tire width & wheel width combination in 20" out back as OE, the car in my sig runs it on all four in 18" some of the time). You do have to be a bit more conscious of where the car is relative to curbs, though.


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