Taubr Unit

iTrader: (32)

Got into a debate today at my work about tire psi on MT et street radials. When i was testing my car i had them set at 20psi (fairely new tires) and i couldnt get them to hook even on cement and a lot of VHT. So i said i need to dial my car in better and they said to drop my psi down to 10/12psi. So i said i didnt want to cause radial tires work with more psi compared to a drag tire with a wrinkle wall. Went back and forth for like 20 mins. Sooo.........

WHAT PSI ARE YOU GUYS RUNNING ON YOUR RADIAL TIRES???

chrismorales75

ran my 275 60 15 @ 18psi

xpndbl3

iTrader: (23)

seen 16-22 pounds depending on power and vehicle weight.

ZFan88

iTrader: (4)

I hooked best at 13 psi

TwoFast4Lv

iTrader: (8)

I have never really ran Radials lower then 16Psi with any luck. Lower then that and they just cupped and spun. With the 275/40s-17s MTs they liked 18-20psi. I have not got the 325 to the track yet, I just got them.

96lt1m6

iTrader: (31)

usually 22-25 psi on real radials
16-20 on Drag radials
12-15 on slicks/ET streets

minytrker

iTrader: (13)

18-22psi on 325/50/15's for me.

RevGTO

iTrader: (12)

At my modest bolt-on power level, I can hook at 20-22 depending on conditions. A harder launching car would call for less. IIRC, MT recommends about 16-17. I wouldn't go much less than that on them.

Smokin87TA

iTrader: (183)

I usually ran around 16 psi, depending on what i was looking to do and what surface i was on. Lowest i ran was around 13psi on the street, they were screwed to the rims, i would not go lower than 18ish if not screwed.

silverZ98

iTrader: (6)

275/60/15 i had luck with 16psi hott

EPP

iTrader: (22)

We got a 1.29 60 ft on 325/50/15's at 17 psi. Bob

JL ws-6

iTrader: (50)

I ran the goodyear 275/60's at 18.5 and had the best luck. I tried them down at 14, and up to 22, but the 18.5 seemed best for my car. 3450 lbs though, so it's a little heavy.

ThoR294

iTrader: (6)

i ran my radials at 23psi. worked fine for me

70Stang

iTrader: (2)

18-20 1.29-1.39 60' 325s

Pro Stock John

iTrader: (34)

17 psi, and that was a 1.35 run.

Matt D

iTrader: (49)

17 psi hot, 1.55 60 fts with 330hp @ 3175 raceweight.

cam

iTrader: (9)

13 psi MT et street radials 275/40/17

Villain281H

iTrader: (5)

17-18 psi on a 275/60/15 for a 1.52 60 foot.

gator's 99TA

iTrader: (2)

i have messed with 15-22 psi. i have hooked at 15 psi and at 22 psi. the problem lies is at low tire pressure, it tends to shake and hop real bad if you cant hit it with a ton of power.

overall, i have had much more sucess at 20psi. my car has gone 1.37 60' on the 325 radials

pmbmax

315/60 m/t had best at 15psi anything lower have tire shake run my 325s at 14 to 16 with no prob all pressure while cold. can pull low 1.30 s on a dirt road car is 3500 lds but have had alot of convertor issues so may have better 60 with new chance i just put in.