Fastest 1/4 mile time - SC400 only
#92
Intermediate
Thread Starter
#96
Lexus Test Driver
iTrader: (5)
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I didn't take my car to the track, but at 6 psi, I was able to beat easily the new BMW 335 twin turbo, the 2008 Infinity G35 sedan (306 hp), and the Dodge SRT-4 turbo. These above cars have the factory rating of around 13.9 second for 1/4 mile. Due to this experience, I think my car runs in 13.5 for 1/4 mile. I don't lose traction. After the first 1/2 second taking easy, the rear just zig-zags a little when I floor the gas. I run 255/40/18 Dunlop for the rear.
#98
Lexus Test Driver
iTrader: (3)
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Well, I haven't been to the 1/4 mile, yet, but I'll share my 1/8 mile times. The best I've done so far is an 8.795. This, in theory, would put me into the 13.6ish range for the 1/4. See mod list in sig BTW.
I am currently on the stock tire size of 225-55-16. I was told my tires were spinning past second gear and about a thrid of the way down the track. Long story short, I have a set of Supra TT wheels on the way. The wheels will be wrapped with Sumitomo 275-40's in the rear and 245-45's in the front. Hopefully with more rubber in the back, I'll be able to launch full stall (2800 Dragon) at wide open throttle. Launching WOT would also mean 2-3psi of boost off the line.
I currently cannot launch at much more than 2000rpm, half throttle ish and no boost.
Since the last time at the track, I've made a few other little changes. I tightened the trans kickdown cable a little for a firmer shift and I installed two additional (to the OEM one in the radiator) transmission fluid coolers.
I will be putting the wheels / tires on early this week and I will be posting some new times soon. Trying not to get too excited, but I'm hoping for something in the 8.3 - 8.4 range which, again in theory, put me very close to that 12-13 second border.
KC
I am currently on the stock tire size of 225-55-16. I was told my tires were spinning past second gear and about a thrid of the way down the track. Long story short, I have a set of Supra TT wheels on the way. The wheels will be wrapped with Sumitomo 275-40's in the rear and 245-45's in the front. Hopefully with more rubber in the back, I'll be able to launch full stall (2800 Dragon) at wide open throttle. Launching WOT would also mean 2-3psi of boost off the line.
![Big Grin](https://www.clublexus.com/forums/images/smilies/biggrin.gif)
Since the last time at the track, I've made a few other little changes. I tightened the trans kickdown cable a little for a firmer shift and I installed two additional (to the OEM one in the radiator) transmission fluid coolers.
I will be putting the wheels / tires on early this week and I will be posting some new times soon. Trying not to get too excited, but I'm hoping for something in the 8.3 - 8.4 range which, again in theory, put me very close to that 12-13 second border.
KC
#104