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Street Tyres At The Drags


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It will be the first time ever running my car at WSID

I'll be running jus stock rims an street tyres

What PSI should I run on the rears I've been told around 20psi will be good

Any other opinions

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what size tyres and rims are you running? this will determine what pressure you should run. long story short though, pump your fronts up by about 5psi and let your rears down about 10psi.

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Sorry to Hi-jack your thread but does anyone know with "street semi's" like Federal RSR's for example is there any point in warming them up at the drags or are they the same as normal street tyres that don't like heat?

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Sorry to Hi-jack your thread but does anyone know with "street semi's" like Federal RSR's for example is there any point in warming them up at the drags or are they the same as normal street tyres that don't like heat?

its always good to warm up the tyres this will give you bit of extra grip , you probably seen other cars running semi or even full slick still warming them up.

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its always good to warm up the tyres this will give you bit of extra grip , you probably seen other cars running semi or even full slick still warming them up.

I under stand the guys with race tyres warming them up coz race tyres only work at a certain operating temp's but street tyres are designed not to need to be warmed up to be able to produce grip & iv been told heating them can actually make things worst. So just wondering how these street semi's work.

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It comes down to how much power your car is putting down and how serious you are.

Do you have a 185kw, FMIC, exhaust, filter car or a 300kw, GT3076 + supporting mods car or a 350+, forged, gt35 + all the fruit car?

If it's 185, a warm up is pointless, traction won't be an issue. If it's ~300ish then it might be of use you're running street tyres, but in reality you'll do better simply managing your throttle and clutch better. If it's the last option, then I would expect you are running slicks and intend on launching hard and a warm up burn out is definitely beneficial (if not slicks then no amount of street tyre burnout is going to stop you wheel spinning for a good portion of the race).

So, in conclusion, I'm going to bet your running moderate power on street tyres which means a pre race burnout is going to give very limited benefit. But do one anyway, cause they are fun :)

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I under stand the guys with race tyres warming them up coz race tyres only work at a certain operating temp's but street tyres are designed not to need to be warmed up to be able to produce grip & iv been told heating them can actually make things worst. So just wondering how these street semi's work.

pretty sure the tyres will be warming up regardless, when doing a burn out you give the tyre the chance to grip the surface properly when taking off i own MT semi slick tyres and yes they are meant to be warmed up , those that dont properly dont have the option to, however from experience , it works.

Edited by Hiroshima Screamer
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It comes down to how much power your car is putting down and how serious you are.

Do you have a 185kw, FMIC, exhaust, filter car or a 300kw, GT3076 + supporting mods car or a 350+, forged, gt35 + all the fruit car?

If it's 185, a warm up is pointless, traction won't be an issue. If it's ~300ish then it might be of use you're running street tyres, but in reality you'll do better simply managing your throttle and clutch better. If it's the last option, then I would expect you are running slicks and intend on launching hard and a warm up burn out is definitely beneficial (if not slicks then no amount of street tyre burnout is going to stop you wheel spinning for a good portion of the race).

So, in conclusion, I'm going to bet your running moderate power on street tyres which means a pre race burnout is going to give very limited benefit. But do one anyway, cause they are fun :)

you haven't been to the drags much have you? i was having traction issues with about 180hp (so about 135kw) in my magna. a mate of mine had a sr20 in a sigma and with street slicks he was lifting one of the front wheels off the ground when launching and he only had about 250hp. he was simply holding it on the rev limiter and pretty much just side stepping the clutch. his 60' times were around 1.5 seconds.

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you haven't been to the drags much have you? i was having traction issues with about 180hp (so about 135kw) in my magna. a mate of mine had a sr20 in a sigma and with street slicks he was lifting one of the front wheels off the ground when launching and he only had about 250hp. he was simply holding it on the rev limiter and pretty much just side stepping the clutch. his 60' times were around 1.5 seconds.

Actually, I have.

My 33 was a typical 11psi, FMIC, exhaust and pretty healthy. I had china specials on the back and traction was never an issue. I could light up the rears in first and a tiny chip/squirm into second if I wanted, but by christ I had to be pumping it pretty friggin' hard. Pull back to 95%, which is sensible if it's your daily, and traction was not an issue.

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It comes down to how much power your car is putting down and how serious you are. Do you have a 185kw, FMIC, exhaust, filter car or a 300kw, GT3076 + supporting mods car or a 350+, forged, gt35 + all the fruit car? If it's 185, a warm up is pointless, traction won't be an issue. If it's ~300ish then it might be of use you're running street tyres, but in reality you'll do better simply managing your throttle and clutch better. If it's the last option, then I would expect you are running slicks and intend on launching hard and a warm up burn out is definitely beneficial (if not slicks then no amount of street tyre burnout is going to stop you wheel spinning for a good portion of the race). So, in conclusion, I'm going to bet your running moderate power on street tyres which means a pre race burnout is going to give very limited benefit. But do one anyway, cause they are fun :)

I dono my R34 was only making 165rwkw & i was having some pretty big traction issue. Had to baby it off the line (holding it at about 3 grand, slowly stepping off the clutch & waiting before I went to WOT) otherwise I went no where just spun.

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with a warm-up and slipping the clutch to control wheel spin you might shed about .5 of a second.. that is what i witnessed a R34 archive on shitty street tyres running 32PSI in the rear (cold temp)

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