When to the race track last night...
Thread Starter
Pole Position
Joined: Feb 2007
Posts: 284
Likes: 0
From: PR
When to the race track last night...
My car: GS4 2000... stock
Well, I ran last night with stock wheels (17") at rear. Best time was 15.0 at 93mph. Very deceptive because I thought about 14.5 to 14.9 mark.
This car is stock. Using 93oct gas at sea level..
Other 2 times was 15.9 in both. I missed to switch gear one time.
Here a few tips:
The reaction time is VERY important. Align the front wheel close to second yellow light (the set light) on the Christmas tree. Then when the start is going on & second light light glow (out of 3) push to the floor.
A good reaction time is about .500 to .600
This is a matter of take the trick without going in fault.
I think is better to leave trans. in auto or in third gear. I missed to shift and motor went over rpm.
Also, I meet a guy with a 2007 IS350. His time was 14.0 to 14.1.
WOW. Its about same HP of the GS but a lot faster... or is the driver??
Well, I ran last night with stock wheels (17") at rear. Best time was 15.0 at 93mph. Very deceptive because I thought about 14.5 to 14.9 mark.
This car is stock. Using 93oct gas at sea level..
Other 2 times was 15.9 in both. I missed to switch gear one time.
Here a few tips:
The reaction time is VERY important. Align the front wheel close to second yellow light (the set light) on the Christmas tree. Then when the start is going on & second light light glow (out of 3) push to the floor.
A good reaction time is about .500 to .600
This is a matter of take the trick without going in fault.
I think is better to leave trans. in auto or in third gear. I missed to shift and motor went over rpm.
Also, I meet a guy with a 2007 IS350. His time was 14.0 to 14.1.
WOW. Its about same HP of the GS but a lot faster... or is the driver??
If you are going to just have fun and get some good times....reaction time doesn't mean anything. Time starts as soon as you cross the line.
As for your time....not to bad for being stock.
As for your time....not to bad for being stock.
Thread Starter
Pole Position
Joined: Feb 2007
Posts: 284
Likes: 0
From: PR
Its just for fun but my car its suppose to do better times. (14.3 as I read somewhere) With a good driver of course!
Any way is my first time running within a timely track. And the last time too. Don't want to make costly repairs due to funny things!
Honda's are better to modify and to make better times.
The IS350 is a lot faster not for a mere 150lbs.
When you drive one you will feel the response & power
Any way is my first time running within a timely track. And the last time too. Don't want to make costly repairs due to funny things!
Honda's are better to modify and to make better times.
The IS350 is a lot faster not for a mere 150lbs.
When you drive one you will feel the response & power
Last edited by Hectorm; Jun 6, 2008 at 02:09 PM. Reason: add
By the comment of costly repairs I doubt you were launching hard, Also, the car is 10 year old, do you really expect the compression, etc... to be the same as when the car got tested new.
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Thread Starter
Pole Position
Joined: Feb 2007
Posts: 284
Likes: 0
From: PR
Nothing wrong with using 93 octane. Some states in the US only have 93 octane. In california where I live, we use to have 93 octane until the early 90s. Ever since then, we only got 91 octane. Of course Toyota has to write 91 octane in the manual otherwise owners believe they can't pump anything but 91.
Lexus Champion
Joined: Feb 2001
Posts: 3,124
Likes: 32
From: Texas
The IS350 is rated under the new guidelines. The 2000 GS400 rated at 300hp under the old guildlines would be around 288hp on the new ratings.
The weight is a factor.
The IS350 has better gearing with a 6 speed transmission. Going from a 5 speed to the 6 speed dropped several tenths off the LS430 both 0-60 and 1/4 mile.
Stock RWHP dyno on an IS350 is 270-275rwhp vs 230-235rwhp for a GS400. So, even though the IS350 is rated 306hp it makes about 40rwhp more.
Of course as mentioned it is lighter.
Keep practicing. Also, these engines seem to respond to the way they are driven. My first time with my 99 LS400 I barely broke into the 14s. My previous car was a 96 LS400 that ran 15.4. Be carefull holding the RPMs against the torque converter do NOT do it any longer than necessary as it builds a LOT of heat in the transmission quickly (bad).
The weight is a factor.
The IS350 has better gearing with a 6 speed transmission. Going from a 5 speed to the 6 speed dropped several tenths off the LS430 both 0-60 and 1/4 mile.
Stock RWHP dyno on an IS350 is 270-275rwhp vs 230-235rwhp for a GS400. So, even though the IS350 is rated 306hp it makes about 40rwhp more.
Of course as mentioned it is lighter.
Keep practicing. Also, these engines seem to respond to the way they are driven. My first time with my 99 LS400 I barely broke into the 14s. My previous car was a 96 LS400 that ran 15.4. Be carefull holding the RPMs against the torque converter do NOT do it any longer than necessary as it builds a LOT of heat in the transmission quickly (bad).