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Winton - Sat 9 Feb - Club C/ship Rnd 1

Bec

By Bec,
in Archived Events

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Snowman Grand Master

Snowman

Posted
Posted

You still have those!? I might have to take them off your hands one day.

But 1st I need a clutch, front brake pads and rotors, a new head gasket and a new bonnet to stop the head gasket thing happening again.

Aaron34 Proficient

Aaron34

Posted
Posted

why not try a new intercooler. I reckon the cooler fins on the standard cooler are too tight and greatly reduce airflow. I'm going to by an after market big f*cker and put it on..

Scotsman should buy them and come along. He needs the practice..

Snowman Grand Master

Snowman

Posted
Posted

I've already got a big Trust intercooler - was on the car when I bought it. I'm sure the problem I have is getting air our rather than getting air in.

Plus I'm looking forwards to you being a guniea pig and telling me how your car goes at Winton now because last time I was there it was overheating central.

Downforce Grand Master

Downforce

Posted
Posted

Hmm, interesting Aaron. Maybe I should remove my rear diffuser as well. Uncle Benno knows best.

Although when Ben was telling me I knew what he was saying about airflow, but it still doesn't make 100% sense to me how something at the back of the car can increase engine temps (other than the air resistance theory), but hey if it works why not!?

BBGTR Experienced

BBGTR

Posted
Posted
you may have just saved me a few bob... I am getting a nice bonnet soon, the diffuser is no longer on the front or rear and the motor is now perfect.

Winton is the testbed....

You blokes just need to de-tune to 400KW and you'll be right.

Aaron34 Proficient

Aaron34

Posted
Posted

that my friend is an urban myth

http://www.tracksidetyres.com.au/potenza_re55s.html

also, I can honestly tell you, there is no performance difference between 9.5 in rims or 10.5 in rims or the 265s or 285s. I've run every combination and they are all the same...

I have someone that wants to pick them up tomorrow but if you want them I'll sell them to you instead.

Scotsman Veteran

Scotsman

Posted
Posted

I have heard you suggest this before. And i'm not 100% sure you are right or wrong, but from my own testing:

When I ran 255/40/17" on a 17x9, I thought I could feel much more movement especialy in the rear on turn-in at Winton and didn't feel comfortable with what the rear of the car was doing. Then I went to Winton again 2 weeks later with 245/40/18" on a 18x9 I instantly went three seconds quicker without touching anything suspension wise at all.

I don't think the jump in size from 17" to 18" could be the differnce I found here, I always put it down to the baggy tyre moving about on the 17" rim. For me I felt I had much more confidence in the car when cornering as it felt more direct with the 18" slightly stretched across the rim.

Draw your own conclusions....

Aaron34 Proficient

Aaron34

Posted
Posted

I understand... It's always best to have an excuse not to come to a trackday. Just not coming looks soft !!!

I'd say what you experienced is a slight enlargement of the testicles. With the size differences I have tried, there isn't even a few 10ths in it...

shepo Experienced

shepo

Posted
Posted

i say yes, but my bank ballance says no. i need new semi slicks!

besides im proli not gonna do anymore track days not in the 4 door. im looking for 32 GTR, so i might just wait till i have that...

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