automationgame.com

As a follow up to the Trans Am engine build challenge http://automationgame.com/phpBB3/viewtopic.php?f=34&t=3689 I am opening this up for the new update by adding a car building challenge as well. There are 2 classes, with slightly differences in the rules, all engine types are allowed in each. Feel free to ask questions as I hope to get a bunch of good cars in this and perfect these rules for a future racing thread with times and a championship standing board.

****Rules (Remember these were special production engines but still road legal and sold to the public, the cars will also be modified road cars, this is a "Win on Sunday sell on Monday" style series.)

****Under 2000cc class

- Engine RESTRICTIONS-
Year: 1966
Size: must be less than 2000cc
Man hours: less than 50
Total cost: less then $1300
MTBF: over 26000 Miles/42000 km
Economy: no less then 12%
Loudness: Less then 50
No race intake
No race exhaust

- Model Restrictions-
Body style: no minimum wheelbase
Minimum weight: 1800lbs/817kg
No downforce undercarriage cladding
Maximum tire width: 7.2 inch/185mm
Maximum Gears: 5
Single clutch only
No AWD
No Quality Sliders
Must have at least standard safety

****Over 2000 class

-Engine Restrictions-
Year: 1966
Size: Must be less than 5000cc
Man hours: less than 75
Total cost: less then $1700 US
Economy: no less then 12%
Loudness: Less then 50
No race intake
No race exhaust

- Model Restrictions-
Body style: minimum wheelbase of 106 in / 2692mm
Minimum weight: 2800lbs/1270kg
MTBF: over 26000 Miles/42000km
No downforce undercarriage cladding
Maximum tire width: 8.0 inch/205mm
Maximum Gears: 5
Single clutch only
No AWD
No Quality Sliders
Must have at least standard safety

Just looking at the body styles there seems to only be one that fits the large car class requirement. Was that intended, or am I missing something?

It was not, I just dropped it down. I looked up the actual Trans Am rules and didn't even check the in game cars

Also, didn't the bigger cars run on 255 r15s?
You might also want to say only standard transmissions.

I had seen widths cited between 6"-8" I went with the 8's because we'll need the grip without an LSD. 255mm sounds more like le mans than trans am but if you found a source for them however I'd love to check it out.
I'm not sure what you mean by standard, I am going to change it to single clutch.

http://www.russoandsteele.com/collector ... e-Car/5718

This says that track was not allowed to be any wider than stock, which on regular tires for this car required 8"; however, they developed special tires that made them have a 10" footprint on 15 inch rims without widening the track. So many cars used 8", but there were no regulations about it; they just couldn't have a wider track.

Guess I'll be the first to give it a try @ the under 2000 class. For the chassis, I used a modified version of the chassis already used for the Kard 115 hot hatch. The TA chassis has extra downforce, hood scoop, new exhaust mounts and a special exclusive paint color.

The Kard 159 TA is powered by a purpose built 5.9L flatplane V8 producing 427HP through a 5-speed manual gearbox to give it a 0-62 MPH time of 5.94 seconds, with a top speed of 172.8 MPH and a quarter mile run of 13.62 seconds @ 117 MPH.

The chassis weighs a scant 2218 ib with a 60/40 weight distribution, cornering of 1.18g @ 53.7 MPH and a max roll angle of 2.13".

All this gives the car the ability to run the Airfield Test Track in only 1:27:30!

ahh... Wildcarrde that's an excellent car, but there's a problem, and the problem is totally mine. I missed a rather key element in my rules, the under 2000 class is meant to be under 2000cc engine size, I'm very sorry.

Haha, yeah.... I thought you meant something about weight... though I didn't understand why the lighter car had no capacity limitation when the larger chassis did. I realized what you meant after I went to the engine forum to post the engine there. I've almost finished a build for the over 2000cc category though, it'll be up soon.

To introduce the new 7-series, KMW built a model to compete in the <5000cc Trans Am competition!

The KMW 750 TA is powered by a 5.0L flatplane V8 producing 454 HP which propels the car from 0-62HP in 6.3 seconds, the quarter mile in 14.1 seconds @ 111 MPH. The top speed of this car is 172 MPH.

The chassis is only 2800ib with a 60/40 weight distribution, and has a cornering ability of 1.17g @ 53.5 MPH. The max roll angle is 1.4" and braking from 62-0 MPH takes only 111"10'.

All this propels the 750 TA around the Airport Test Track in 1:28:53!

With that under 5000cc wheelbase requirement, only the huge sedan and the old BMW-esque coupe fits The other big coupe is 106.3, and I think that that one is closer to what we want. Could we use that one?

Edited, but that's as low as it's going. happy tuning.

The previous attempt was scrapped in the pre-season due to engine failures and lack of outright pace.

Weeks of hard work followed, starting from scratch for all components. Eventually, their Trans Am entry for 1966 was finished:




The engine is $541 under budget and can give up to 18MPG, while delivering both great performance and unrivalled smoothness.

The car also has advanced safety for the 60's - I did ignore the rules and add +2 quality, adding weight to the car which is no bonus for speed!

Following from the entry into the top tier, a pioneering second car has been designed for the under 2000 class, with a specific output of 100hp per 1000cc of displacement!



Once again, putting safety at the forefront with a quality rating of +7!

(Was the only way I could get it from being under-weight, again.)

I will submit my 2 liter beast as soon its ready....

I am preparing a 5 liter as well