y2k vette wheels on ta question
Thread Starter
TECH Resident
iTrader: (19)
Joined: Apr 2004
Posts: 790
Likes: 0
From: San Antonio, Tx
y2k vette wheels on ta question My buddy has some 18 x 9.5 and 17 x 8.5 y2k polished wheels w/ f1 tires all around (245/45/17 and 275/40/18). They are OEM from what I know (will make sure). I will be putting these on my 98 TA. I have searched and found that I will need 4 spacers in the back (3/4) to make them 50mm. I would like to know if this is necessary as the guy who made the thread I found said they were to look right. My other question is do I need to find vette lugnuts for these, or can I use my current ones without looking strange?
I searched, and could not find answers for these questions.
I searched, and could not find answers for these questions.
Teching In
Joined: Sep 2007
Posts: 40
Likes: 0
From: Santa Clara, CA
I had those wheels on my LT1 T/A. The only problem I had was the centerbore on the rear wheels are too small for the for the early 4th gen hubs. I got a 1.25" spacer adapter (length of the lug bolt) to get them on. It did make the wheel stick out a bit, kinda like having 315s.
The y2ks should clear fine on your late 4th gen without modding. If you decide to increase, then get a solid spacer adapter. I think a 1" minimum would clear on the wheels with the bolts sticking out at .25" DO NOT STACK SPACERS. You want a good (safe) 6-8 full turns on the lugs.
I think the only problem that may arise is the slight change on your speedometer do to the bigger overall size. Without checking the tire size calc, I think when your speedo reads 60, you're actually doing 63. I ran 275/35 on the rears with something like a .4% increase vs 275/40 with 4% loss. I believe you can get that tuned, but why bother unless you're a serious racer.
And your lugs will work fine. I think the vette lugnuts and covers are smaller in length.
Good luck and get us some pics!
The y2ks should clear fine on your late 4th gen without modding. If you decide to increase, then get a solid spacer adapter. I think a 1" minimum would clear on the wheels with the bolts sticking out at .25" DO NOT STACK SPACERS. You want a good (safe) 6-8 full turns on the lugs.
I think the only problem that may arise is the slight change on your speedometer do to the bigger overall size. Without checking the tire size calc, I think when your speedo reads 60, you're actually doing 63. I ran 275/35 on the rears with something like a .4% increase vs 275/40 with 4% loss. I believe you can get that tuned, but why bother unless you're a serious racer.
And your lugs will work fine. I think the vette lugnuts and covers are smaller in length.
Good luck and get us some pics!
