Quote:
Originally Posted by justinco
Interesting results from my dyno session with the 2017 car. Largely the same as my 2013 FRS, but with some differences. Primarily, the 2013 FRS made less power stock, while the 2017 BRZ made more power stock. However, peak power was nearly identical between both cars. I was hoping the 2017's would gain more overall, but it looks like they are pretty efficient from the factory compared to the old cars and end up almost the same when you have similar upgrades.
2017 peak power, 91oct street tune: 182hp/147tq @ the wheels (altitude corrected).
Details in the video.
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I am accepting such dyno results with a salt of grain. The information here is contradictory to other evidence. Check here:
http://www.ft86club.com/forums/showthread.php?t=118320
The real difference of the older stock cars ('13 - '16) with the '17 cars is
5 hp. Additionally, you're saying that the bolt-ons and tune on the new car gave minimal peak gains. If we subtract the 5 hp difference, then I would expect that the peak gains of the same parts on the old car to be also minimal.
My overall point is that the argument "the old cars were not efficient from the factory" is nonsense. It was just a big greenfield for the aftermarket scene and some vendors exaggerated the results for their own benefit with specific products.