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article details
Author Jeff Palmer
Categories Dyno Testing, Accord
Create Date November 09, 2007 13:19
Last Update November 16, 2007 14:25
Accord 6MT Dynojet

Ignition_Key and his Accord
On the day Shawn was performing our first dyno test of a 2008 V6 6MT Accord, TOV reader "Ignition_Key" was flying into Cleveland, OH to take delivery of his own car from another one of our readers, "HONDA AVFM". "HONDA AFVM" works at Motorcars Honda in Cleveland Ohio and apparently took good care of "Ignition_Key". It's the must-read feel-good story of the week.

Shortly after Shawn posted the Dynapack results of the aforementioned test, "Ignition_Key" posted an offer for us to dyno his car here in Georgia. It turns out "Ignition_Key" lives not too far from the TOV's global headquarters, so it was very easy for us to set a time this morning at Dynolab in Marietta, GA and perform today's tests.

Before we made the day's first pull, Finny (that's Ignition_Key's offline name) asked what I thought his car would make, and without thinking much, I predicted 235whp. So we made the first pass, and the car dutifully put down 234.4 whp. I figured I'd be close, but I also figured my number was a little conservative. So after a brief cooldown, we made another pass. This time the car made 237.5whp. Not bad, but being that it was only the 2nd pass, I figured there could be more in store. We made a few more passes, and the car's power kept notching upwards, until we finally had back to back runs with essentially identical results. The final figures: 239.5 hp and 224 lb-ft at the wheels.

Click to enlarge

By Comparison For your reference we've run a few more plots, one pitting Finny's 2008 Accord V6 6MT against the 2008 Accord V6 5AT, and the other one showing the difference between the 2007 TL-S 6MT and 2008 Accord V6 6MT. On the TL-S vs Accord chart, the difference looks pretty dramatic, but keep in mind that these dyno sessions took place nearly 6 months apart and the atmospheric conditions between those two days differed greatly. The dyno system tries to account for the differences in atmospheric conditions by applying standard SAE correction factors. Given the high temperatures during the TL Type-S' testing, the TL-S was given a rather large correction factor of 1.04. Today's conditions during the test of the Accord were closer to ideal, thus the Accord's results only had a correction factor of 1.01 applied. Interestingly, overlaying the uncorrected plots (3rd graph) shows that the Accord motor's output is nearly identical to the TL Type-S's. So then the question is: Are the standard SAE correction factors fully applicable or are they overcompensating for the difference in conditions? The only way to answer that question would be to re-test the TL Type-S under nearly identical conditions.

Accord V6 5AT vs 6MT
'07 TL Type-S 6MT vs '08 Accord V6 6MT

'07 TL Type-S 6MT vs '08 Accord V6 6MT (uncorrected)

Video Clip

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Date Thread Starter Thread
11-28-2007 17:15 6MT Sedan?   (Score: 1, Normal) Tina
11-28-2007 22:02 Ignition_Key
12-06-2007 11:22 Tina
11-14-2007 17:10 Weight of Stock Wheels and Tires   (Score: 1, Normal) Ignition_Key
11-15-2007 20:40 TH23
11-15-2007 20:48 TH23
11-21-2007 10:43 ipribadi
11-28-2007 22:03 Ignition_Key
11-15-2007 10:15 How about an overlay of the 03 coupe you dynoed?   (Score: 1, Normal) 8000RPM
11-15-2007 13:27 JeffX
11-26-2007 20:38 Ignition_Key
11-12-2007 10:43 More proof   (Score: 1, Normal) 6SPDTL
11-12-2007 12:37 Ignition_Key
11-12-2007 16:45 80honda
11-12-2007 19:10 CivicB18
11-13-2007 11:47 TH23
11-13-2007 15:05 Wizard
11-13-2007 16:10 HONDA AFVM
11-13-2007 16:23 MojaveAccord
11-13-2007 16:38 Wizard
11-13-2007 21:19 Ignition_Key
11-14-2007 10:18 HONDA AFVM
11-14-2007 10:44 notyper
11-14-2007 13:30 Ignition_Key
11-19-2007 12:43 Mr Bigs
11-13-2007 16:40 Ignition_Key
11-13-2007 18:45 Wizard
11-20-2007 13:35 HJV1
11-21-2007 07:00 mchester
11-21-2007 09:58 HJV1
11-22-2007 10:50 typeR
11-10-2007 01:10 Where to go from here?   (Score: 1, Normal) NSXman
11-10-2007 01:17 Wizard
11-10-2007 10:17 NSXman
11-10-2007 10:54 Ignition_Key
11-10-2007 17:10 CarPhreakD
11-10-2007 18:02 HONDA AFVM
11-10-2007 20:22 CarPhreakD
11-11-2007 12:45 HONDA AFVM
11-11-2007 16:19 CarPhreakD
11-11-2007 20:11 HONDA AFVM
11-12-2007 13:32 owequitit
11-12-2007 16:04 6SPDTL
11-12-2007 17:20 CarPhreakD
11-12-2007 17:41 Furia
11-12-2007 22:25 6SPDTL
11-12-2007 23:12 CarPhreakD
11-13-2007 15:36 jero
11-13-2007 16:06 CarPhreakD
11-19-2007 13:12 Mr Bigs
11-20-2007 00:13 2000rebuiltacrd
11-12-2007 19:23 TonyEX
11-12-2007 19:54 NSXman
11-19-2007 22:35 Awsome   (Score: 1, Normal) Odyssey500
11-19-2007 23:13 Ignition_Key
11-12-2007 09:35 Engine Codes TL-S vs Accord   (Score: 1, Normal) FlanaganID
11-12-2007 10:31 JeffX
11-12-2007 13:11 JeffX
11-12-2007 14:15 FlanaganID
11-15-2007 16:08 R-Z
11-12-2007 13:30 owequitit
11-09-2007 16:27 Dynojet vs Dynapack   (Score: 1, Normal) Ignition_Key
11-09-2007 18:38 PolishedMetal6MT
11-09-2007 19:30 R-Z
11-09-2007 19:36 PolishedMetal6MT
11-09-2007 19:43 Wizard
11-09-2007 19:56 Ignition_Key
11-09-2007 20:27 notyper
11-09-2007 20:38 2000rebuiltacrd
11-09-2007 21:01 notyper
11-09-2007 22:40 chubzilla
11-11-2007 14:09 2000rebuiltacrd
11-13-2007 21:27 Ignition_Key
11-14-2007 20:09 2000rebuiltacrd
11-13-2007 08:17 Accord coupe 6MT tested by edmunds   (Score: 1, Normal) shingles
11-13-2007 15:07 Wizard
11-13-2007 21:22 Ignition_Key
11-13-2007 22:40 shingles
11-14-2007 11:56 Wizard
11-12-2007 10:36 Why the surprise?????   (Score: 1, Normal) 6SPDTL
11-12-2007 13:28 owequitit
11-13-2007 21:25 Ignition_Key
11-10-2007 09:17 Explanation   (Score: 1, Normal) HondaChuck
11-10-2007 09:34 Ignition_Key
11-10-2007 17:40 CarPhreakD
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