Stock tire pressure @ the track - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

DayDreamer · 10-28-2010, 05:32 PM

I drive a 1SS M6, and was just going to run a normal 36lbs on the stock 20s. A buddy of mine, who use to run down the track told me that if I run stock pressure, I will not see very good times. I have never ran down the track myself ever in any car and basically and flabbergasted by this recommendation...but consider his information credible. He wasn't sure what it should be, never running 20s, and so I am here to be learned.

blufin · 10-28-2010, 06:28 PM

I always run stock tire pressures, 35-36 lbs. in all tires, and have had pretty good results. My best 60' is 1.87. Street tires perform best when used within certain parameters like temp and pressure. If the Tire pressure is too low, the tire will start cupping in the center and lose traction. Giant burnouts are also taboo in my book on street tires. I do a small burnout just to clean off the tires.
Just keep the tires where they are for now and practice your launches. Once you have that wired, then start making changes to see if you can make improvements. I would not recommend making changes to your car before you learn how to race. Enjoy and have fun.

caverman · 10-29-2010, 03:33 PM

I always heard to lower them to 25psi in the rear.

The first time I raced I had 35 psi all around. I wheel hopped bad and got like 2.20 60'.

Second time I added Trailing Arms, lowered psi, and rode the clutch out a little better. Wheel hop was gone, 60' was in the 2.1 range.

Third time out I added about 35 rwhp with headers and tune. Car picked up about .5 in the 8th, no wheel hop, rode the clutch out....got 2.02 or something like that.

Hope to do better my next time out. I plan to lower the rear to 25 psi and raise the front to 44 psi.

BackinBlackSS/RS · 10-29-2010, 03:42 PM

The question becomes, is the less rolling resistance you have with stock tire pressure more of an advantage vs. lower tire pressure and better grip. Just make as many runs as you can and find where YOUR sweet spot it.

10-28-2010, 05:32 PM	#1
DayDreamer Along for the ride! Drives: 2010 Camaro 1SS/RS IBM Join Date: Apr 2010 Location: Bethlehem, GA Posts: 130	Stock tire pressure @ the track I drive a 1SS M6, and was just going to run a normal 36lbs on the stock 20s. A buddy of mine, who use to run down the track told me that if I run stock pressure, I will not see very good times. I have never ran down the track myself ever in any car and basically and flabbergasted by this recommendation...but consider his information credible. He wasn't sure what it should be, never running 20s, and so I am here to be learned.

10-28-2010, 06:28 PM	#2
blufin Drives: Fire Engine Join Date: Oct 2008 Location: WPB, Florida Posts: 1,415	I always run stock tire pressures, 35-36 lbs. in all tires, and have had pretty good results. My best 60' is 1.87. Street tires perform best when used within certain parameters like temp and pressure. If the Tire pressure is too low, the tire will start cupping in the center and lose traction. Giant burnouts are also taboo in my book on street tires. I do a small burnout just to clean off the tires. Just keep the tires where they are for now and practice your launches. Once you have that wired, then start making changes to see if you can make improvements. I would not recommend making changes to your car before you learn how to race. Enjoy and have fun. __________________ 12.618 @ 110.75 Bone Stock 1/4 mile 8.165 @ 86.52 Bone Stock 1/8 mile 11.189 @ 124.44 on a 1.73 60' TVS2300 3.4 pulley, JRE tuned, Kooks LT headers and HF cats, MBRP catback exhaust, CAI intake, ADM scoop. Stock wheels/tires. Sold

10-29-2010, 03:33 PM	#3
caverman Drives: '69 SS Convertible Join Date: May 2009 Location: DFW, TX Posts: 7,111	I always heard to lower them to 25psi in the rear. The first time I raced I had 35 psi all around. I wheel hopped bad and got like 2.20 60'. Second time I added Trailing Arms, lowered psi, and rode the clutch out a little better. Wheel hop was gone, 60' was in the 2.1 range. Third time out I added about 35 rwhp with headers and tune. Car picked up about .5 in the 8th, no wheel hop, rode the clutch out....got 2.02 or something like that. Hope to do better my next time out. I plan to lower the rear to 25 psi and raise the front to 44 psi. __________________ *-2010 Camaro* 2SS \| M6 \| VR w/White Stripes \| 1 3/4" KOOKS - 3" Magnaflow \| LPE 3.91 gears \| ADM tuned \| Halltech w/ADM Scoop \| Spohn/BMR Trailing Arm/Toe Rod \| BC Coilovers\| Pedders FE4 ZL1 swaybars \| Cradle/Diff/Radius Rod bushings \| VMax TB \| Morimoto Projectors \| MGW shifter \| Red Calipers Build Journal

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10-29-2010, 03:42 PM	#4
BackinBlackSS/RS Go Blue!!!!! Drives: 2012 Cruze LT Join Date: Mar 2009 Location: Indiana Posts: 23,290	The question becomes, is the less rolling resistance you have with stock tire pressure more of an advantage vs. lower tire pressure and better grip. Just make as many runs as you can and find where YOUR sweet spot it.