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Old 04-22-2019, 11:20 AM   #1
zlathim
 
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Tires are spinning on the wheels when I launch

I have 17X9.5 Race Star wheels with 275/40/17 M/T ET Street R rears. The tires keep spinning on the wheels when I launch. They move about 2 inches each hit:



I talked to a guy at the track who claimed to be the local Race Star dealer. He said that I need to dismount the wheels and remove the powder coating from the bead area, rough it up and i should be good to go.

Has anyone solved this issue with their Race Stars? Did you do what dude told me to do or something different?
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Old 04-23-2019, 10:39 PM   #2
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Here's how I decided to fix the slipping tire issue.

I removed the powder coat from the bead seat areas with a wire wheel mounted on a drill. Then I lightly scuffed up the same area with a 60 grit flapper wheel on a grinder. After that, I used an automatic center punch to make a row of stipples about every inch along the outside edge of the bead seat area. I'm going to have the tire guys use Windex to mount the tires tomorrow. I'll report back after the weekend race with the results.





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CAI Cold Air Intake; Comp Cams LSR Series; EE E2 catch can; SP 1 7/8" LT Headers w/ hfc; FM AT 3" cat-back; AEM Wideband; N2MB WOT Box;
Tuned by Throttle Works 467whp 419 wtq
McCleod RXT; MGW flat stick; Ram Clutch slave cylinder & hydraulic adjuster
BMR cradle & diff bushings, trailing arms, toe rods & upper control arm bushings
Hotchkis sub-frame brace
Stop Tech Z-23 brakes
4.10 gears, Eaton Truetrac, LPW diff cover
Best 1/4 mile 12.073 @ 115.68 mph 3,300 ft DA
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Old 04-23-2019, 10:57 PM   #3
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Get this man some beadlocks! Hope it goes well Z. I have the same wheels as you, just polished. I couldn't help but notice the skinnies in the picture. What wheel and tire combo are you running up front?
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Old 04-23-2019, 11:37 PM   #4
zlathim
 
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17X4.5 Race Stars wrapped with 26x4.0/17 M/T ET Fronts
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CAI Cold Air Intake; Comp Cams LSR Series; EE E2 catch can; SP 1 7/8" LT Headers w/ hfc; FM AT 3" cat-back; AEM Wideband; N2MB WOT Box;
Tuned by Throttle Works 467whp 419 wtq
McCleod RXT; MGW flat stick; Ram Clutch slave cylinder & hydraulic adjuster
BMR cradle & diff bushings, trailing arms, toe rods & upper control arm bushings
Hotchkis sub-frame brace
Stop Tech Z-23 brakes
4.10 gears, Eaton Truetrac, LPW diff cover
Best 1/4 mile 12.073 @ 115.68 mph 3,300 ft DA
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Old 04-23-2019, 11:53 PM   #5
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Have them use bead sealer...doesn't stop it(nothin does) but it slows it down a bunch...I'm gonna save up and get the Carlyle 15 kit...best way to go especially if you want to turn it up later.


good luck..


Peace
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Old 04-24-2019, 09:30 AM   #6
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Thanks, Frank!!
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CAI Cold Air Intake; Comp Cams LSR Series; EE E2 catch can; SP 1 7/8" LT Headers w/ hfc; FM AT 3" cat-back; AEM Wideband; N2MB WOT Box;
Tuned by Throttle Works 467whp 419 wtq
McCleod RXT; MGW flat stick; Ram Clutch slave cylinder & hydraulic adjuster
BMR cradle & diff bushings, trailing arms, toe rods & upper control arm bushings
Hotchkis sub-frame brace
Stop Tech Z-23 brakes
4.10 gears, Eaton Truetrac, LPW diff cover
Best 1/4 mile 12.073 @ 115.68 mph 3,300 ft DA
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Old 04-24-2019, 05:20 PM   #7
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I haven稚 got mine to the track yet to see if I will have the same issues. I told the tire installer to please do whatever is needed to the rims to be sure they don稚 spin in the tire and told him I値l be dropping the tire rear pressure down to 17 psi. He used bead lock sealant on them. We値l see how it goes but I知 gonna personally guess I値l be doing the same thing you did by shaving the inner part of the rim coating off. Yours should be good now cleaned like you did. I would definitely use bead sealer on those though. I heard to this is the best solution to fixing the slippage.


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Old 04-24-2019, 11:42 PM   #8
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Z/28 wheels come with sand in the paint on the beads, if memory serves me correctly.
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Old 05-19-2019, 03:44 AM   #9
zlathim
 
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Quote:
Originally Posted by Jayjellyfish212 View Post
I haven稚 got mine to the track yet to see if I will have the same issues. I told the tire installer to please do whatever is needed to the rims to be sure they don稚 spin in the tire and told him I値l be dropping the tire rear pressure down to 17 psi. He used bead lock sealant on them. We値l see how it goes but I知 gonna personally guess I値l be doing the same thing you did by shaving the inner part of the rim coating off. Yours should be good now cleaned like you did. I would definitely use bead sealer on those though. I heard to this is the best solution to fixing the slippage.


Attachment 984509
All good now. I have a little more than an inch of slip after almost 30 hits. I can live with that.
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CAI Cold Air Intake; Comp Cams LSR Series; EE E2 catch can; SP 1 7/8" LT Headers w/ hfc; FM AT 3" cat-back; AEM Wideband; N2MB WOT Box;
Tuned by Throttle Works 467whp 419 wtq
McCleod RXT; MGW flat stick; Ram Clutch slave cylinder & hydraulic adjuster
BMR cradle & diff bushings, trailing arms, toe rods & upper control arm bushings
Hotchkis sub-frame brace
Stop Tech Z-23 brakes
4.10 gears, Eaton Truetrac, LPW diff cover
Best 1/4 mile 12.073 @ 115.68 mph 3,300 ft DA
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Old 05-19-2019, 10:33 AM   #10
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I get free balancing from Discount Tire. I take the rears there every few months.
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Old 05-19-2019, 01:08 PM   #11
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Quote:
Originally Posted by zlathim View Post
All good now. I have a little more than an inch of slip after almost 30 hits. I can live with that.
Did you notice much difference in your 60'? I think I may have the same issue.
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