Car Court From F1 to Nascar to grandma's Camry....it's Car Talk.

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Re: follow up

Posted by Steven R. Rochlin (R) on August 21, 2004 at 08:10:43

In Reply to: follow up posted by Ed Sawyer on August 21, 2004 at 07:23:45:

Ed,

Cool! Thanks for chiming in! Always good to meet a racer :)

>>>Well, playing with biasing is generally not a good idea, even for experienced racers. It's all too easy to overbias the rears, which will quickly lead to a spin.<<<

Agreed, and one needs to be VERY cautious with brake biasing. This is why i was very, VERY, did i mention being VERY adamant about keeping stock brake bias for 'normal' drivers. As you know there are professional bias adjusters that allow for SMALL increments of adjustment. This was part of the reason i am soooo glad to have connected up with the Brembo guy as he was THE ENGINEER AND TESTER who designed the system for the Ferrari and, as such, was able to give me top quality advice/tips/pad choices, etc.

>>>The front does 60-80% of the work in most cars, (except maybe those with more rear weight bias, e.g. 911, NSX, etc.) and adding more rear bias isn't necessarily going to help in general. In an iffy situation, it will/may result in rear lockup sooner, which you never want. It's also too easy to mis-adjust it on the fly, I know people who have spun/crashed/gone off because of this, and they were fairly high-level racers that knew what they were doing, just happened to hit the lever or knob at the wrong time.<<<

Agreed. One needs to be VERY cautious about biasing. Locking up the rear first is a fast way to crash... or die :(

>>>Anyway, good info in the above post! (time to Track your car soon, methinks. ;-) <<<

2005 baby. Was hoping for late in the season 2004, yet am still tuning her. Kinesis is a bit late at delivering my new lightweight special rims as the Ferrari has a specialized offset. Between the new rims/tires/brakes this should lighten unsprung mass by about 12 lbs per front corner and 8 lbs per corner rears. Will know more once i get all the bits and weigh in.

FYI: The rims will be 17x8 and 17x9 K27s. For the street will run the basic Mich Pilot PS2 (225/45/R17 and 255/40/R17) and am debating track tires. Once the rims arrive i will be checking tire temps and have the alignment adjusted for a middle ground as the car mainly will be street driving and about 25 or so track days in 2005. She has already been corner weighted when the new suspension was installed. Frankly, it is a compromised setup yet much better than stock IMHO. The new suspension system has really brought about positive results as compared to the lackluster stock Ferrari system. Been busy physically working out for endurance and strength while also reading many books to feed my head.

Could go on and on. So please share your wisdom, what car(s) you drive/race, etc. Always glad to meet a fellow racer and learn :) Tell us morw about you Ed :) :)

Enjoy the Drive,

Steven R. Rochlin

Edits: 80/51/00

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