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article details
Author Jeff Palmer
Categories Dyno Testing, TSX, Civic
Create Date September 08, 2011 10:43
Last Update September 08, 2011 13:05
First Dynojet test of the 2012 Civic Si

A few weeks ago, Shawn Church of Church Automotive shared the dyno test results of a customer-owned 2012 Civic Si. This week I managed to borrow a brand-new 2012 Civic Si directly from Honda, so I took it over to our regular dyno testing center: Dynolab, Inc. of Marietta, GA.

You may recall the "Virtual Dyno comparo" we performed several months ago between the 2011 Civic Si and 2012 Civic Si (using the dyno results of the TSX 6MT, which supposedly runs a mechanically identical engine to the 2012 Civic Si). While that was fun and generated some interesting discussion, there's no substitute for the real thing, so now we have the REAL numbers for the 2012 Civic Si. The results aren't all that surprising but there are a few curious differences between the curves of the TSX and 2012 Civic Si, particularly in the upper end of the rev range.

We performed six dyno passes. We threw out the results of the first run (183whp, 162lb-ft), because prior to that run, the car had been sitting for an extended period and seems to have benefited greatly from the cooldown, as the car didn't come close to backing that effort on any of the subsequent passes. On the remaining passes, the car consistently developed right around 175hp/160lb-ft, which pretty much matches the numbers you see in the plot below. We tested this Civic Si the same way we always test our Hondas and Acuras - we allow the cars to cool down to "normal" operating temps (according to our OBD-II scangauge) before performing the next pass. In the case of this Civic Si, that was right around 185F water temp. At the end of each pass, the water temps were observed to be in the 215-220F range. To accelerate the cooldown, we crank the temp up to "max" on the climate control and run the heat at full speed. This flushes coolant into the heater core and aids the exhange of engine heat.

To see how the 2012 Civic Si compares to the 2011 Civic Si we tested earlier this year, click on to the next page.

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Date Thread Starter Thread
09-09-2011 01:32 i seriously don't think many 8th gen Si put 192hp to wheels   (Score: 1, Normal) danielgr
09-09-2011 01:42 notyper
09-09-2011 09:12 DCR
10-11-2011 23:14 Monster_20
09-09-2011 19:47 Definition of "Si"   (Score: 1, Normal) Hondarulez
09-09-2011 22:01 kidoairaku
09-10-2011 01:37 owequitit
09-12-2011 12:18 Hondarulez
09-12-2011 15:34 owequitit
09-12-2011 17:40 Hondarulez
09-12-2011 18:04 owequitit
09-12-2011 18:13 CR-V9
09-13-2011 18:51 Hondarulez
09-14-2011 01:41 TonyEX
09-14-2011 11:39 Hondarulez
09-17-2011 11:53 TonyEX
09-09-2011 08:03 Definition of Progress?   (Score: 1, Normal) Pseudomaniac
09-09-2011 12:41 DCR
09-10-2011 00:55 owequitit
09-12-2011 13:22 Pseudomaniac
09-12-2011 15:25 owequitit
09-11-2011 18:56 Stephen
09-08-2011 12:16 "Up top"   (Score: 1, Normal) DCR
09-08-2011 12:18 mucter
09-09-2011 12:55 CR-V9
09-09-2011 23:54 CarPhreakD
09-10-2011 00:47 owequitit
09-10-2011 08:25 CR-V9
09-10-2011 18:45 owequitit
09-10-2011 18:46 owequitit
09-09-2011 15:18 K24 vs K20R   (Score: 1, Normal) CivicB18
09-09-2011 17:09 notyper
09-08-2011 15:46 These curves show why acceleration is so close   (Score: 1, Normal) notyper
09-08-2011 19:21 IntegraDC5R
09-09-2011 09:24 Rental_beater
09-09-2011 00:54 Which would make a better daily driver?   (Score: 1, Normal) NSXman
09-09-2011 01:45 notyper
09-08-2011 12:23 HP and WHP   (Score: 1, Normal) siegen
09-08-2011 14:44 notyper
09-08-2011 19:24 IntegraDC5R
09-08-2011 21:01 Hondarulez
09-08-2011 21:13 IntegraDC5R
09-08-2011 22:06 JeffX
09-08-2011 23:51 owequitit
09-09-2011 00:23 DCR
09-08-2011 23:42 Potential K24Z3 and K24Z difference?   (Score: 1, Normal) owequitit
09-08-2011 21:32 This article makes me appreciate my FA5 more.   (Score: 1, Normal) ASM FA5
09-08-2011 22:39 notyper
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