View Single Post
      03-19-2017, 09:57 PM   #43
bradleyland
TIM YOYO
United_States
1504
Rep
3,283
Posts

Drives: 2013 M3
Join Date: Jun 2010
Location: Vero Beach, FL

iTrader: (0)

Garage List
Quote:
Originally Posted by adc View Post
I disagree with you on this, It's not hard to make the S55 reliable in race trim at 500BHP. Even if they had to use water injection, not a big deal - and personally I don't think they'd need to.

I have found the S55 to be incredibly thermically stable, and that in a stock heavy street car. And no oil consumption whatsoever, which is unheard of in any previous generation M car. Drop hundreds of pounds with a bespoke race car like they did with the M6, bump the HP by 50 or so and they would be in a much better spot.

Bad thing is that it's too late right now.
Oh? You run a lot of 24h track days out in your neck of the woods?

What's your running cost at those 24h track days?

How many hours between rebuilds?

I'm not going to sit here and pretend to know that the S55 absolutely isn't viable in the IMSA GTLM class, but the physics are stacked against it. The smallest displacement engine in the competition is the Ford GT at 3.5L. That's a 14% displacement advantage over the S55, and in endurance racing, displacement matters. Just look at all the teething issues the I4t powered DPi cars had. Meanwhile, the 6.2L V8 Cadillacs cruised to victory.
__________________
His: 2019 R1250GS - Black
Hers: 2013 X3 28i - N20 Mineral Silver / Sand Beige / Premium, Tech
Past: 2013 ///M3 - Interlagos Blue Black M-DCT
Past: 2010 135i - TiAg Coral Red 6MT ///M-Sport
Appreciate 0