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Dragstrip and Launch Techniques Discussion 1/4 mile, 1/8 mile, launch discussions.

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Old 10-09-2013, 02:28 PM   #1
was619
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Official 'cheep' drag wheel options (vette c5/c6 wheels)


I'm am starting this thread to breakdown a clear explanation of what corvette wheels will fit on the rear of our 5th gens, with or without spacers.

Please be aware this is not a thread about whether spacers are 'safe' or not please keep your personal opinions out of it.

No spacer needed:
18x9.5 stock c6z fronts will work, +40mm offset - typically more expensive wheel than the oher options
grand sport c6 18x9.5 fronts will also work, +40mm offset - different spacing than the 5th gen studs

Spacer needed, minimum size:
the C5Z 18x 10.5 (+58mm offset) will work with a 5mm spacer to achieve +53mm which will clear
C5Z 18.9.5 (+65mm offset) 12mm? to achieve 53mm?

The number you are aiming for is +53mm or less to safely clear the brembo calipers.

I hope this proves to be a good reference for someone.

As alway check the torque on your lugnuts when you get to the track to make sure they are secure, and recheck and tighten as needed for a little added peace of mind.

thank you in advance for your responses!
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Old 10-09-2013, 11:16 PM   #2
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5/16 spacer for these. I bought the spacers from pep boys for 10 a pop.
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Old 10-10-2013, 03:11 PM   #3
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Great Thread!
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Old 10-10-2013, 07:33 PM   #4
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just wanted to let everyone know that while the grand sport wheels will fit, they are not correct spacing as the camaro studs , they are off by 1mm, you are safe running them, but would re torque as a precaution between runs

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Old 10-10-2013, 11:49 PM   #5
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Quote:
Originally Posted by shiznight
5/16 spacer for these. I bought the spacers from pep boys for 10 a pop.
5/16ths is almost an 8mm spacer. can you give some details on the offset/size of the wheels you posted?

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Great Thread!
Thank you!

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Originally Posted by mikepage0007 View Post
just wanted to let everyone know that while the grand sport wheels will fit, they are not correct spacing as the camaro studs , they are off by 1mmyouare safe running them, but would re torque as a precaution between runs
I'd like to keep it updated with good info like this! Thanks!

Any additional info that can be added would be greatly appreciated!
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Old 10-11-2013, 05:39 AM   #6
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Quote:
Originally Posted by mikepage0007 View Post
just wanted to let everyone know that while the grand sport wheels will fit, they are not correct spacing as the camaro studs , they are off by 1mmyouare safe running them, but would re torque as a precaution between runs
This is true of ALL Corvette wheels, not just the Grand Sports. The Corvette bolt pattern (and a good majority of previous GM cars) is 5 x 4.75 in., which converts to 5 x 120.65 mm. The 5th Gen Camaro is 5 x 120 mm. So, yes, there is a slight difference of 0.65 mm, and when you consider that measurement is taken between the center point of two studs, then each stud on the Corvette is a whole 0.325 mm further apart. Hardly worth mentioning. The bolt pattern will fit without issue, and there are even guys daily driving on these wheels. Personally, I would probably still consider running a hubcentric centering ring just to make sure.

I have a pair of 18x9.5" (+40) Corvette ZR1 replicas ready to install (no spacers needed)....just waiting on the funds for the tires!!! The wheels weigh 26 lbs. each. It's pretty bad when you can get (2) wheels cheaper than one tire!!!!!!!!!
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Old 10-11-2013, 08:48 AM   #7
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Quote:
Originally Posted by blazzin1 View Post
This is true of ALL Corvette wheels, not just the Grand Sports. The Corvette bolt pattern (and a good majority of previous GM cars) is 5 x 4.75 in., which converts to 5 x 120.65 mm. The 5th Gen Camaro is 5 x 120 mm. So, yes, there is a slight difference of 0.65 mm, and when you consider that measurement is taken between the center point of two studs, then each stud on the Corvette is a whole 0.325 mm further apart. Hardly worth mentioning. The bolt pattern will fit without issue, and there are even guys daily driving on these wheels. Personally, I would probably still consider running a hubcentric centering ring just to make sure.

I have a pair of 18x9.5" (+40) Corvette ZR1 replicas ready to install (no spacers needed)....just waiting on the funds for the tires!!! It's pretty bad when you can get (2) wheels cheaper than one tire!!!!!!!!!
Where did you buy those? They are awesome!
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Old 10-11-2013, 08:54 AM   #8
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i run the 18x9.5 40 mm offset fronts on the rear with no spacer . i tried the 56 mm offset but u will need a 1" or so spacer . i have 1.5 spacer and u got plenty of room
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Old 10-11-2013, 09:41 PM   #9
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Where did you buy those? They are awesome!
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Old 10-12-2013, 10:32 AM   #10
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Quote:
Originally Posted by blazzin1 View Post
The Corvette bolt pattern (and a good majority of previous GM cars) is 5 x 4.75 in., which converts to 5 x 120.65 mm. The 5th Gen Camaro is 5 x 120 mm. So, yes, there is a slight difference of 0.65 mm, and when you consider that measurement is taken between the center point of two studs, then each stud on the Corvette is a whole 0.325 mm further apart. Hardly worth mentioning. The bolt pattern will fit without issue, and there are even guys daily driving on these wheels.

I have a pair of 18x9.5" (+40) Corvette ZR1 replicas ready to install (no spacers needed)....just waiting on the funds for the tires!!! The wheels weigh 26 lbs. each. It's pretty bad when you can get (2) wheels cheaper than one tire!!!!!!!!!
26 lbs... That is significant considering the stock 20s are 32 lbs. so that's a total of a 12lb reduction of rotational mass minus the difference in tire weight(if they are more/less than the pzeros.

It is just so hard for me to believe that we couldn't find a Cheeper 17inch options. The price difference for a 17 vs 18, for example on an M.T. E.T. Street is a little over $60 difference. And the ability to use bias ply 'slicks' in a 17 creates another issue.
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Old 10-12-2013, 11:11 AM   #11
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Anyone with links where to get these wheels/Spacers?

Just what i need for weekend racing takeoffs!
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Old 10-13-2013, 11:16 PM   #12
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18x9.5 ZR1 wheels front and back, 305/45R18 NT05R's on back, 265/ R18 Nitto's up front. Some mods necessary to fit front wheels.

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Old 03-24-2014, 07:52 PM   #13
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Little bit of back from the dead action lol

for you guys actually running these, are you running hub centric rings or just bolting them up and going?

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Old 03-25-2014, 09:41 AM   #14
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My ZR1 replicas do not have hub centric rings and I've never had a problem with them.
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Old 03-25-2014, 12:57 PM   #15
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okay cool, thanks
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Old 04-13-2014, 06:00 PM   #16
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So are guys mounting up c6 wheels or using the hub centric rings?
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Old 04-21-2014, 10:44 PM   #17
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bumping this up… feel free to post your setups this is good info

I am Thinking of going with a wheel that is 18x10.5 however it is 58mm offset. Does that mean I will need a spacer? Will the hub centric rings do the trick? What is the biggest tire anybody has run on this rim? I would love to go with the M and H 325 racemasters but not sure the rim is wide enough?
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Old 04-22-2014, 09:22 AM   #18
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bumping this up… feel free to post your setups this is good info

I am Thinking of going with a wheel that is 18x10.5 however it is 58mm offset. Does that mean I will need a spacer? Will the hub centric rings do the trick? What is the biggest tire anybody has run on this rim? I would love to go with the M and H 325 racemasters but not sure the rim is wide enough?
Yes, you would have to use a spacer, probably about 5-6mm thick. Hubcentric rings are not the same as spacers. The rings only center the wheel on the hub. You can however get custom hubcentric spacers made that will work. But then, at the same time you are reducing the functional length of the wheel studs. According to M&H, the narrowest wheel that "should" be used with their 325/40R18 DR is 11" (+/- 1" from the recommended 12" wheel). Personally, I don't like using spacers at all, especially in a drag racing situation. I would recommend sticking with the 18x9.5 (+40) wheel, and running a 305/45R18 DR.....less hassle, no spacers, and proper wheel/tire fitment.
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Old 04-22-2014, 10:19 AM   #19
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These aren't exactly "cheap", but these 18x10.5 (+53) wheels are extremely hard to find!!! And they will fit without spacers!!! Just because of the rarity of this size/offset, I'd consider this a darn good deal....

http://www.camaro5.com/forums/showthread.php?t=354197
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Old 04-22-2014, 01:58 PM   #20
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Thanks for spelling "CHEAP" correctly! Hopefully the OP can fix the title.
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Old 04-22-2014, 03:02 PM   #21
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Yes, you would have to use a spacer, probably about 5-6mm thick. Hubcentric rings are not the same as spacers. The rings only center the wheel on the hub. You can however get custom hubcentric spacers made that will work. But then, at the same time you are reducing the functional length of the wheel studs. According to M&H, the narrowest wheel that "should" be used with their 325/40R18 DR is 11" (+/- 1" from the recommended 12" wheel). Personally, I don't like using spacers at all, especially in a drag racing situation. I would recommend sticking with the 18x9.5 (+40) wheel, and running a 305/45R18 DR.....less hassle, no spacers, and proper wheel/tire fitment.
Thanks for that info. Doesn't the Mickey 305 recommend a 10" wide wheel however most people run them with 9.5" wheel? Also do you happen to know the offsets for wheels that don't require a spacer?
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Old 04-22-2014, 03:09 PM   #22
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what about this wheel? Trying to match fronts.
http://www.oewheelsllc.com/Wheels_3/...2#.U1b221yhw08
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Old 04-22-2014, 03:54 PM   #23
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18x9.5, +40mm, no spacer
18x10.5, +56mm, spacer needed (how big guys?)
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Old 04-22-2014, 04:03 PM   #24
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Thanks for that info. Doesn't the Mickey 305 recommend a 10" wide wheel however most people run them with 9.5" wheel? Also do you happen to know the offsets for wheels that don't require a spacer?
The recommended wheel size for the M/T 305/45R18 is 9.5-11.0 inches. As PSJ mentioned, the 18x9.5 (+40) wheel will fit without spacers. Also, the 18x10.5 (+53) as linked in my thread above will fit without spacers.

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what about this wheel? Trying to match fronts.
http://www.oewheelsllc.com/Wheels_3/...2#.U1b221yhw08
Won't fit. Offset is too deep for a 17" wheel, and as far as I know, the ONLY 17" wheels that will fit are Bogart, CCW, or Weld RT-S.

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18x9.5, +40mm, no spacer
18x10.5, +56mm, spacer needed (how big guys?)
With a +56 offset, you would need a minimum of a 3mm spacer. However, most aftermarket replica wheels are +58, which would require a 5mm spacer.
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Old 04-22-2014, 04:27 PM   #25
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What wheels does shizknight have in that earlier pic, I know some sort of Vette wheel. C5?
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12.06@113 1.70 | +NT05R 18s | + Circle D 3200
11.84@113 1.59 | + 3.91s | +Race Star 17x7s
Mods: GPI Tune | Bo's PTB | Kooks LTs | Hooker Maxflows | Circle D 3200 | New Era OTR | RCR AirRam Manifold | Powerbond UDP | 3.91s
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