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[Hawkey_Dawg]

Hello there,

I'm looking for the best weight to power ratio cars when fully tuned (meaning all weight reductions and all engine/exhaust enhancements) at specific performance point levels ie: the best weight to power car you have tuned at 300pp, 350pp, 400pp, etc. It seems there are a multitude of combinations when having to leave something off a tune in order to keep the car within the performance point limit. So I'm wondering if there is a list somewhere that gives the weight to power ratio for tuned cars to decide what I want to start with when preparing cars for PP racing. Anyone know of anything like this out there?

 

[smrtb0mb]

I don't know if anyone could create an exact guide like this. Some people's driving styles might prefer better cornering over speed, or vice-versa. Tires have a big effect too, as does the track you're racing on. But anyway, some general guidelines I follow are:

- If the car is heavy (eg something like an M5, Camaro, Challenger, etc.) then the first thing I'll do is pull off weight. Tuning an M5 for 550pp (which starts around 520pp stock) I'd put almost all my points into weight reduction, then maybe just one or two power add-ons like ECU & air filter.

- If the car is lightweight already (1250kg or less - eg. Shelby Series One) then I'll add power until I can't control it, and only then start adding downforce.

- I avoid downforce almost entirely for 4WD cars until they get up over 600pp.

Tires have a big effect too. The less grippy the tires, the sooner I start adding downforce. The stickier the tires, the less downforce. Would break down something like this:

- On race softs, I avoid using downforce until PP is over 575 or so. Even with 600-650pp race cars, I'd be biased toward power over downforce on R/S. On R/H tires, I've got to be careful to add downforce to compensate for any added power.

- On sports soft or better, no downforce until about 525pp - all points go to weight & power, unless the back end is sliding all over the place. Though sometimes too much weight reduction will make the car unstable, and adding weight will actually improve handling.

- On sport hards or less, I start adding downforce much sooner - at around 450pp

BUT... there are plenty of cars that break all these rules. So I think it's important to do a lot of experimentation yourself.

 

[MrGrado]

In here you will find some previous shootouts that have been run. There you will find some very hot tunes for specific PP level. The top cars in those shootouts should be very competative to use for racing at equal PP limits.

There is also a 400PP shootout being run currently in the tuning forum here.

 

[Master_gamer438]

Not sure if this helps but my CSL maxed with no aero gets 487HP at 1153kg, does Nurburg in 6'39 to 6'42 with tire wear. And 6'34.2 without tire wear. Gets 196MPH down the stretch. I know the LFA, NSX Type R '02, Ruf BTR, HSC Concept are faster or about as fast. I run at 550PP BTW. No aids except ABS on 1, real grip and tire wear on.

 

[Johnnypenso]

Hello there,

I'm looking for the best weight to power ratio cars when fully tuned (meaning all weight reductions and all engine/exhaust enhancements) at specific performance point levels ie: the best weight to power car you have tuned at 300pp, 350pp, 400pp, etc. It seems there are a multitude of combinations when having to leave something off a tune in order to keep the car within the performance point limit. So I'm wondering if there is a list somewhere that gives the weight to power ratio for tuned cars to decide what I want to start with when preparing cars for PP racing. Anyone know of anything like this out there?

Nope...

But if what you are looking for is simply the best performers at given PP levels, you can find that if you do a thorough search.

 

[Motor City Hami]

In here you will find some previous shootouts that have been run. There you will find some very hot tunes for specific PP level. The top cars in those shootouts should be very competative to use for racing at equal PP limits.

There is also a 400PP shootout being run currently in the tuning forum here.

MrGrado - I did some analysis of power to weight for lots of cars during the classic car competition and for this current 400PP Nurburgring. I should post the results of those calculations. FYI - the cars that I thought should be top in the 1975 competition were not necessarily at the top. The Camaro that placed in 4 of the top 5 spots ranked like 18th on power to weight.

 

[XDesperado67]

MrGrado - I did some analysis of power to weight for lots of cars during the classic car competition and for this current 400PP Nurburgring. I should post the results of those calculations. FYI - the cars that I thought should be top in the 1975 competition were not necessarily at the top. The Camaro that placed in 4 of the top 5 spots ranked like 18th on power to weight.

Power to weight as an indication of overall performance seems to somehow be broken in PD's calculations. Take for example my entry in the current 400PP shootout. It has a power to weight of something like 5.70kg per HP. Most of the other cars I tested had much better ratios than that, however it is by far the fastest car in the shootout (just doesn't corner well enough to compete with the top cars).

I've noticed many other cars with seemingly horrible power to weight ratios that are also faster than cars with supposedly better ratios (Audi RS6 Avant anyone).

 

[Lambob]

when discussing "Power to weight", I'd imagine that the more power you have, if weight is a constant, the car should go faster..

however, PD seems to display the ratio as "Weight to Power" thus making the ratio "inverse" ?

in any case, I am also disappointed, in the performance offered, by brute power delivering 'standard' cars on the Nur, by Mercedes, in this game, they just feel so sluggish at 505pp.

If anything I wrote here seems wrong, I'm just curious to learn more about the ratio, when I recently asked a good driver online to share secrets to his laptimes, he wouldn;t disclose any tuning secrets, but he/she mentioned, "look out for power to weight association"

he would consistently lap times in 6:48-6:51s range, and rarely drafting, as he was first most of the time prior the 1st split time in Lambo Miura, S2000 variants, and few other cars, very consistent.