Yeah, I did that! Have a slip, but gotta upload it later. I was actually in utter amazement that my half-a-tank FULL weighed down "OLD" '06 IS350 could make such a fast pass. The weather @ 50 degrees AND the fact I let the car cool down 30 minutes before I started making passes helped. This was only the second pass of the night AND before I even remembered to loosen up the dampening on the rear coilovers.
Thought others might enjoy the sheer excitment I had in that moment last night when I surpassed my previous best pass of 8.9xx by 3 tenths!
I had to forget to bring my GoPro last night huh.
The facts :
Reaction : 3.1007 (playin with the torque converter off the footbrake + no opponent)
60 ft : 2.0089
330 ft : 5.6427
ET @ 594 : 8.0968
1/8 ET : 8.6468
1/8 MPH : 81.81
Mods on my IS350 - CAI
Weight reduction - none, and in fact I had a big lunch!
Here's the slip!
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Good time! I actually might go and see if I can do better then my last run. Last time I did it, I didnt even brake torque it.
I used to not either, but with it being early into the session and VERY few racers there that night due to the cold, I had plenty of time to figure out what works best; and I believe I've narrowed it down.
So on that pass I of course bypassed the water box, goosed it once in-between the water box and the light, foot-braked on out to ~1400-1500 rpms, and left hard with zero wheel hop and minimal squeal. If I remember right, it was the only pass where oddly enough I hit the limiter at the top of second in full AUTO trans (NOT "S") mode. This was all done in "NORMAL", with the rear tires @ 28 psi warm, and the rear BCRs at my DD'ing setting of 12.
Hope the above might help others with raising the bar on the competition!
^Thanks man, and you show them what the 2IS can do at the track too!
Funny that you mention that as I was finally able to take the IS350 to the track yesterday for an autocross event and see what difference the OS Giken LSD made compared to my previous set-up. The IS made a big impression with everyone at the event, especially since most of the drivers there assumed that the Lexus was a "four cylinder plush luxury import".
__________________ “Wow! You probably have the best handling IS 350 street car in the country."-Ken Henderson
Yeah, I'm also using a motorcycle helmet at the moment for autox. I find that I don't have much headroom with it and it does affect my comfort/focus when driving at the limit so I may need to proceed with getting a certified helmet as you mentioned.
*Air down the tires to ~28psi
*Adjust rear supsension (if able) to a softer setting to allow the rear end to squat and minimize wheel hop
*Allow the motor to cool down (if able)
*Turn off the Traction Control
*Turn off the A/C; it is a safety hazard to drip down the tracky
*Street tires = avoid the water box. Drag radials/slicks=epic smoky burnouts!
*In-between the water box and the light goose it once or twice to insure any debris or water is removed from the tires.
*Depending on your launching style, stage shallow or deep (I stage shallow)
*Left foot brake while right foot revs up to a MAX of 1500 (anything more and my car wouldn't hold it at the line AND would wheel hop like a ****)
Suspension - BCRs (12k front/8k rear) and camber arms
Performance mods - Fujita SRI
Driver mod - 15 yrs experience and hundreds of passes on the same 1/8th track