Help! Race Star M/T Street SS issue

Gen5&Beyond · 03-19-2018, 12:03 PM

So I bought the Race Star 17x9.5 and fitted them with the M/T street ss drag radial 305/45r17. I had the tires installed and the wheels balanced. The car drives and rides great no vibrations or any other problems with the ride. When I get on it and go into 3rd the rear of the car seems to get squirrely or, wobbly or shakey not sure what term explains it best. The point is it doesn't feel solid/stabil. Is this normal? My front tires are on backorder so I'm running the stock front's.

parish8 · 03-19-2018, 12:26 PM

Is it a vibration or a sway. I had a scary sway at wot with the 20” 305 mt dr’s.

I ordered a bunch of bmr stuff to try and fix it but the problem went away on its own once it warmed up. It was probably below 40deg when I had the problem.

Twoblindsheep · 03-19-2018, 03:37 PM

I daily my 305/45/17 and it does shake on WOT but once it warmed up it goes away

laynlo15 · 03-19-2018, 09:53 PM

I think once you get them heat sinked you'll be fine. What tire pressures are you running in the rear?

Gen5&Beyond · 03-20-2018, 05:13 AM

Quote:

Originally Posted by parish8

Is it a vibration or a sway. I had a scary sway at wot with the 20” 305 mt dr’s.

I ordered a bunch of bmr stuff to try and fix it but the problem went away on its own once it warmed up. It was probably below 40deg when I had the problem.

There's no vibratiion at all. The sway is at wot. I didn't try heating the tires before I made the hit.

Gen5&Beyond · 03-20-2018, 05:14 AM

Quote:

Originally Posted by laynlo15

I think once you get them heat sinked you'll be fine. What tire pressures are you running in the rear?

I'm running 32lbs. in them currently.

KonigWolf · 03-22-2018, 12:05 AM

I have the same M/T street SS an they also sway at WOT as well.

Tenfive · 03-22-2018, 09:17 AM

I have Mt as well switching to Nittos due to the numerous complaints of doing the same shit and the tread life on the mickeys sucks !!!

6spdhyperblue · 03-22-2018, 07:15 PM

Don’t you want sticky rubber and soft sidewall on a DR?

laynlo15 · 03-22-2018, 10:35 PM

Drag Radial don't really have a very soft sidewall like a slick. They are stiff like a radial tire

6spdhyperblue · 03-23-2018, 10:24 PM

It would make sense to make the softest sidewalled radial for a drag tire no?

I've had passenger highway snows that wiggled like he's talking too when strapped to 400hp

asthmamax11 · 03-23-2018, 11:16 PM

I had 20" NT05R's on the back for a while and they hooked pretty well without any squirreliness on the street.
I'm not gonna use anything but slicks at track from now on. I should have listened to Laynlo when he told me not to bother with DR's at the track

laynlo15 · 03-24-2018, 06:57 AM

I've been there with other M6's like on my Vets and since I've been drag racing for 48 years I've been in about every situation you can imagine at the track. Drag Radials aren't your friends some times. Max11 did you end up running a 95mm pulley or 90mm?

Gen5&Beyond · 04-13-2018, 10:37 PM

Update. I've been to the track a few times. Driving 70 miles each way. The issue I was having seems to have taken care of itself. No shake at all going down the track at 20psi. You really have to heat these tires up to get them to hook.

03-19-2018, 12:03 PM	#1
Gen5&Beyond Drives: 2016 2ss Camaro Join Date: Oct 2013 Location: Alabama Posts: 119	Help! Race Star M/T Street SS issue So I bought the Race Star 17x9.5 and fitted them with the M/T street ss drag radial 305/45r17. I had the tires installed and the wheels balanced. The car drives and rides great no vibrations or any other problems with the ride. When I get on it and go into 3rd the rear of the car seems to get squirrely or, wobbly or shakey not sure what term explains it best. The point is it doesn't feel solid/stabil. Is this normal? My front tires are on backorder so I'm running the stock front's. __________________ HBM 2016 2SS A8 NPP 427 Pray Head/Cam/Converter, Pray Ported Highram, 103mm TB, Pray Tuned, 3030 Drag Pack, Roark OTR CAI, TSP Headers, E85, UDP Best times 1/4 n/a 9.23@146.96, 1/8 5.91@118

03-19-2018, 12:26 PM	#2
parish8 Drives: 17 SS a8 Join Date: Feb 2010 Location: omaha Posts: 1,678	Is it a vibration or a sway. I had a scary sway at wot with the 20” 305 mt dr’s. I ordered a bunch of bmr stuff to try and fix it but the problem went away on its own once it warmed up. It was probably below 40deg when I had the problem. __________________ dropped a valve in the 6.2. now running a drop in rods and piston 5.3 best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472

03-19-2018, 09:53 PM	#4
laynlo15 Drives: 2022 Lt1 A10 Join Date: Nov 2015 Location: clark, mo Posts: 8,860	I think once you get them heat sinked you'll be fine. What tire pressures are you running in the rear? __________________ 2022 Lt1 6.2 A10, Maggie 2300, THPSI Port Inj/10 rib, Rotofab, E, Nickey, SCOL, Griptech, RC Bandits, Hoosiers/MT 9.80@142.96 1.44 60ft, 6.34@112 707/669 RWHP/TRQ. 16SS Maggie 2650 9.41@147 1.35 60ft, 5.99@119. 16 C7 A8 10.90@128 Bolt on stuff

03-22-2018, 12:05 AM	#7
KonigWolf Drives: 2016 2SS A8 Join Date: Feb 2016 Location: Conway, Arkansas Posts: 217	I have the same M/T street SS an they also sway at WOT as well. __________________ 16 Summit White 2SS-MRC-NPP-A8 :: PrayPorted IM - LT5 TB - Mishimoto Catch Can - RotorFab - E85 - TSP 2" LongTubes - Speed Engineering X/Mid Pipe DIY Hpt Tune - DR - 1.75-60' - 7.47@95 - 11.56@120 with +2676DA

03-22-2018, 10:35 PM	#10
laynlo15 Drives: 2022 Lt1 A10 Join Date: Nov 2015 Location: clark, mo Posts: 8,860	Drag Radial don't really have a very soft sidewall like a slick. They are stiff like a radial tire __________________ 2022 Lt1 6.2 A10, Maggie 2300, THPSI Port Inj/10 rib, Rotofab, E, Nickey, SCOL, Griptech, RC Bandits, Hoosiers/MT 9.80@142.96 1.44 60ft, 6.34@112 707/669 RWHP/TRQ. 16SS Maggie 2650 9.41@147 1.35 60ft, 5.99@119. 16 C7 A8 10.90@128 Bolt on stuff

03-19-2018, 03:37 PM	#3
Twoblindsheep [COTW 1/6/14] Drives: 2017 1LE Join Date: Mar 2012 Location: Scott AFB/STL Posts: 2,004	I daily my 305/45/17 and it does shake on WOT but once it warmed up it goes away

03-22-2018, 09:17 AM	#8
Tenfive Drives: 2017 1SS camaro ,2SS a 68 + 08 C6 Join Date: Dec 2017 Location: West palm beach Posts: 495	I have Mt as well switching to Nittos due to the numerous complaints of doing the same shit and the tread life on the mickeys sucks !!!

03-22-2018, 07:15 PM	#9
6spdhyperblue Drives: 6th gen Join Date: Aug 2013 Location: US Posts: 3,675	Don’t you want sticky rubber and soft sidewall on a DR?

03-23-2018, 10:24 PM	#11
6spdhyperblue Drives: 6th gen Join Date: Aug 2013 Location: US Posts: 3,675	It would make sense to make the softest sidewalled radial for a drag tire no? I've had passenger highway snows that wiggled like he's talking too when strapped to 400hp

03-23-2018, 11:16 PM	#12
asthmamax11 Drives: 1SS Summit White 6 speed Join Date: Jul 2017 Location: Gainesville GA Posts: 579	I had 20" NT05R's on the back for a while and they hooked pretty well without any squirreliness on the street. I'm not gonna use anything but slicks at track from now on. I should have listened to Laynlo when he told me not to bother with DR's at the track __________________ 16 1SS M6 White Magnuson 2.3 Heartbeat Roto Fab Solo Performance Cat deletes and Axleback Hurst short shifter #'s coming soon Riaction coilovers 1LE sway bars BMR mm BMR chassis brace Flow one 19" wheels wrapped in Mickey Thompsons 02 Z28 M6 35th anniversary 80k miles T-tops Leather Bolt ons Joy to drive this classic every day! Daily Driver

03-24-2018, 06:57 AM	#13
laynlo15 Drives: 2022 Lt1 A10 Join Date: Nov 2015 Location: clark, mo Posts: 8,860	I've been there with other M6's like on my Vets and since I've been drag racing for 48 years I've been in about every situation you can imagine at the track. Drag Radials aren't your friends some times. Max11 did you end up running a 95mm pulley or 90mm? __________________ 2022 Lt1 6.2 A10, Maggie 2300, THPSI Port Inj/10 rib, Rotofab, E, Nickey, SCOL, Griptech, RC Bandits, Hoosiers/MT 9.80@142.96 1.44 60ft, 6.34@112 707/669 RWHP/TRQ. 16SS Maggie 2650 9.41@147 1.35 60ft, 5.99@119. 16 C7 A8 10.90@128 Bolt on stuff

04-13-2018, 10:37 PM	#14
Gen5&Beyond Drives: 2016 2ss Camaro Join Date: Oct 2013 Location: Alabama Posts: 119	Update. I've been to the track a few times. Driving 70 miles each way. The issue I was having seems to have taken care of itself. No shake at all going down the track at 20psi. You really have to heat these tires up to get them to hook. __________________ HBM 2016 2SS A8 NPP 427 Pray Head/Cam/Converter, Pray Ported Highram, 103mm TB, Pray Tuned, 3030 Drag Pack, Roark OTR CAI, TSP Headers, E85, UDP Best times 1/4 n/a 9.23@146.96, 1/8 5.91@118

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