Discussion
Anyone here ever dyno-ed a 355? If so what did it come out as?
I love 355s but have always been of the opinion they feel more like a 320-340bhp car rather than 380. It doesn't matter really as they're plenty quick enough to enjoy on the road, but I am just curious for some real numbers.
Also interested in 360 dyno numbers if anyone has.
My 550 is going on SRR's dyno in a few weeks when I have time - took my '94 NVR 993 there last Sat and she was virtually bang on the 268 bhp she was supposed to leave the factory with
http://www.pistonheads.com/gassing/topic.asp?h=0&a...
I love 355s but have always been of the opinion they feel more like a 320-340bhp car rather than 380. It doesn't matter really as they're plenty quick enough to enjoy on the road, but I am just curious for some real numbers.
Also interested in 360 dyno numbers if anyone has.
My 550 is going on SRR's dyno in a few weeks when I have time - took my '94 NVR 993 there last Sat and she was virtually bang on the 268 bhp she was supposed to leave the factory with
http://www.pistonheads.com/gassing/topic.asp?h=0&a...
I have seen some before and after dyno graphs online, but can't remember where.
I agree, my 355 did not feel that fast. On the other hand it hit fairly high speed on the Autobahn (300+ on the speedo, can't remember the TomTom figures, but the difference to speedo was not all that big from memory - maybe 10ish kp/h), so plenty of power to punch through the air at high speeds
I agree, my 355 did not feel that fast. On the other hand it hit fairly high speed on the Autobahn (300+ on the speedo, can't remember the TomTom figures, but the difference to speedo was not all that big from memory - maybe 10ish kp/h), so plenty of power to punch through the air at high speeds
Top speed for a car is give or take a bit proportional to the the cube root of its power i.e. to double the top speed you need 8 times the power. So if your car is supposed to do 183 mph and only does 178mph in test conditions, you could be down about 8.5% on power (= [1 - (183/178)^3]x100) or about 32bhp. Or you could have been going up a slight hill or into a headwind and have the full complement of ponies.
I guess what I'm saying is that top speed achieved is necessarily a good indicator of engine output!
I tried to vmax my 993 Cab in Germany a month or so ago and bottled it at about 135. Apparently they'll do 160mph+, but that's purely academic: I don't want to be anywhere near a 993 going that speed, let alone in one judging by how unstable it felt!.....although admittedly the aero was never going to be great given the canvas roof.
ETA: we had the 550 at a comfortable 170mph on Germany last summer, felt absolutely rock solid, a real credit to the car and its GT credentials....god knows what speed you can peddle something like a 599/F12 at before it feels a little dicey
I guess what I'm saying is that top speed achieved is necessarily a good indicator of engine output!
I tried to vmax my 993 Cab in Germany a month or so ago and bottled it at about 135. Apparently they'll do 160mph+, but that's purely academic: I don't want to be anywhere near a 993 going that speed, let alone in one judging by how unstable it felt!.....although admittedly the aero was never going to be great given the canvas roof.
ETA: we had the 550 at a comfortable 170mph on Germany last summer, felt absolutely rock solid, a real credit to the car and its GT credentials....god knows what speed you can peddle something like a 599/F12 at before it feels a little dicey
Edited by Mario149 on Wednesday 1st October 22:17
Ages ago I attended a dyno day and a colleagues 348tb (decat, tubi) made 315bhp which was a surprise to those of us thinking they made less.
http://www.vr6oc.com/events/RR/powerstation/251106...
http://www.vr6oc.com/events/RR/powerstation/251106...
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