TB993tt:
artur777:
RS 991:
It's a nice package. How have they achieved quite a higher topspeed with only 20 hp more? Due to Pdk ratios? The torque hasn't changed at all, engine limitations or pdk limitations? Overall it's a stunning car, but nothing really that we haven't expected.
O have the same question.
How did they achieve overall improvement in accel and top speed doing very small changes in hp & torque?
They say they changed the compressor on the S (more likely it is changed on the regular Turbo also) so the 20hp is more than just a software tweak and the hp will be sustainable at high speeds due to cooler intake charge through this bigger compressor, this means higher top speed is possible.
I think they restricted the top speed of the .1 turbo and S because at high loadings it ran quite rich to keep temperatures in check and they limited top speed to keep the engine safe. Whenever we saw turbo S's at vmax events they all had very black exhausts after running up to ~305kph....
I reckon the new turbo S will be hitting 300kph in 26s, can't wait for the tests 
Posted 1st December at 10.04am...... zero contacts at Porsche but 25 years experience with turbo Porsches with real hp 
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997 GT2 2014 3.9 Mezger, 800PS @ 1.2 bar
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