C6 OEM Wheels on a 4th Gen
11-03-2007, 02:19 PM
#19
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Join Date: Nov 1998
Location: Macon, GA
Posts: 633
HLY SHFT, those are MUCH better pictures! However, I'm really thinking I'm still going to go 19's all the way around. However, it looks like I may have to buy a whole 2nd set to get a total of 4 19x10's, so I'd then have to sell the 4 18x8.5's in silver.
dBrown, from what I can tell about going with 18x8.5's all the way around, it is very possible, however the rear's only need a 3/4" spacer. Unfortunately, I can' find adapters in 3/4", so you'd either have to go with a 1" adapter to make the rear 18's fit, or go with a 5/8" or 3/4" adapter plate and longer studs to make the rears fit.
Tire sizes with the 18x8.5's are pretty much 2 choices: 245/40/18 are the stock diameter (25.7") or you can go a little wider with a 255/35/18, but they're only a 25" diameter which will throw your speedo off my 3 MPH at 60 MPH if you don't change the computer.
dBrown, from what I can tell about going with 18x8.5's all the way around, it is very possible, however the rear's only need a 3/4" spacer. Unfortunately, I can' find adapters in 3/4", so you'd either have to go with a 1" adapter to make the rear 18's fit, or go with a 5/8" or 3/4" adapter plate and longer studs to make the rears fit.
Tire sizes with the 18x8.5's are pretty much 2 choices: 245/40/18 are the stock diameter (25.7") or you can go a little wider with a 255/35/18, but they're only a 25" diameter which will throw your speedo off my 3 MPH at 60 MPH if you don't change the computer.
01-29-2008, 01:44 PM
#21
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Join Date: Nov 1998
Location: Hell was full so they sent me to NJ
Posts: 70,669
Since there are no factory 17" C06 wheels, you would have to tell us the width and offset (or backspace) of the aftermarket 17" C06 replica wheels you are asking about. That info is needed to determine if you need spacers or not.
04-13-2008, 06:09 PM
#26
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Join Date: Oct 2007
Location: North Phoenix, Arizona
Posts: 26
Wow, 30 series? That's what I had on my Supra, I couldn't stand those bastards. How come you didn't do the 275/35/19 at least? I know Nitto does the 555, although, I guess those would be a little narrow.. still, on a 9.5 I think it'd be okay. My 275s were on a 10.5.... big no-no.
04-22-2008, 01:22 PM
#29
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Join Date: Aug 2001
Location: Cigar City USA
Posts: 23
Safety Note: Be careful with the eBay spacers. I bought a pair about a year ago and 3 of the 10 studs snapped off on me after changing the wheels only twice. Fortunately, they snapped while I was mounting the tire, and not while driving! These spacers are listed with a grade 8 stud. I replaced all the studs with grade 10s from NAPA and have not had any problems since.
05-03-2008, 07:35 PM
#30
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Join Date: Feb 2000
Location: Seattle, WA
Posts: 1,445
Safety Note: Be careful with the eBay spacers. I bought a pair about a year ago and 3 of the 10 studs snapped off on me after changing the wheels only twice. Fortunately, they snapped while I was mounting the tire, and not while driving! These spacers are listed with a grade 8 stud. I replaced all the studs with grade 10s from NAPA and have not had any problems since.
Unless you have aftermarket axles (which typically switch to a 1/2"-20 lug size, in Grade 8), it's likely a metric M12x1.5 stud that snapped. If so, that would be a Class 8.8 stud (about equiv to a Grade 5 in SAE ratings). A 9.8 might have sufficed, but a Class 10.9 metric stud is plenty (no need for a Class 12.9... more maintenance).