1950s Tire Challenge

Getting bored of building insanely brütal engines for challenges? Then you'll have fun with this one.
The year is 1950, and you can only use hard 125mm tires. So better find a good compromise for your vehicle, as 400hp won't help you.

The Rules:
Year: 1950
Body: No Wings/Lips
Engine: Reliability >= 30.0
Car: avg Reliability >= 60.0
Car: 125mm 12" Hard Long Life Road Tires - Quality 0
Car: Total Cost 6000
Everything else is open!
The Race:
Will happen in the infamous Green Hell on 5th of October 2014
Deadline for car entries is on 5th of October 2014, 11:00am CET
http://www.wolframalpha.com/input/?i=11 ... of+october

How to submit your cars:
- name your car "1950 - username - carname"
- send me that model file over PM, and write your Laptime into the PM
- first PM counts, no revisions or second cars allowed
After the race, you will be able to download the Top-3 cars.
If you have questions, ask them in this thread.
