Need to Dyno the JB3 in DFW... where? - BMW 3-Series (E90 E92) Forum

dtg · 12-22-2008, 03:09 PM

Installed my JB3 and DCI and then took it to Jotech in Garland, who used to work on my IS300 Turbo. The dyno numbers were not great at all and after running several tests with Terry (BMS), we determined there is nothing really wrong with the software or my installation.

Kenny (owner of Jotech) says his DynoJet 24x is usually low so that said, I want to find another dyno in the DFW area to go check it out.

I did not do a baseline so I don't have a comparison, but my car put down 319 whp and 346 wtq. It pulled 14psi and tapered off towards redline as it should. A/F was 13 at peak power and tapered off to 11.8 towards redline. Ambient temp was 70 degrees and dry.

I'm not here to bash the JB3 at all... I think that the Jotech dyno maybe conservative and I need to go elsewhere to do a comparison.

Any ideas?

iamvietness · 12-23-2008, 01:26 AM

autoscope and classic bmw both have dyno's but not sure on the exact type

12-22-2008, 03:09 PM	#1
dtg Private Drives: 335i Coupe Join Date: Nov 2008 Location: Big D Posts: 84 iTrader: (2)	Need to Dyno the JB3 in DFW... where? Installed my JB3 and DCI and then took it to Jotech in Garland, who used to work on my IS300 Turbo. The dyno numbers were not great at all and after running several tests with Terry (BMS), we determined there is nothing really wrong with the software or my installation. Kenny (owner of Jotech) says his DynoJet 24x is usually low so that said, I want to find another dyno in the DFW area to go check it out. I did not do a baseline so I don't have a comparison, but my car put down 319 whp and 346 wtq. It pulled 14psi and tapered off towards redline as it should. A/F was 13 at peak power and tapered off to 11.8 towards redline. Ambient temp was 70 degrees and dry. I'm not here to bash the JB3 at all... I think that the Jotech dyno maybe conservative and I need to go elsewhere to do a comparison. Any ideas?
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12-23-2008, 01:26 AM	#2
iamvietness Apprentice to the Dark Side Drives: 2009 Audi S5 Join Date: May 2008 Location: Las Colinas, TX Posts: 1,036 iTrader: (3)	autoscope and classic bmw both have dyno's but not sure on the exact type