Well, after 8 months of having my car running, I finally made it to the dyno. My friend has a dyno shop with a Bosch dyno that is Loaded. He can keep any load at any RPM for accurate tuning and very realistic HP numbers. I dyno'd my M3 on this dyno 3 weeks ago, and was somewhat dissapointed with the measly 200rwhp it put down. He has a DynoJet 248C aswell but its not working right now.
I ran my cabrio on the Bosch dyno and the first #'s were 265rwhp with 248ft/lb of torque. I did a little tuning and upped the boost from 12 to 14psi. It was dropping down to about 12.5psi by 5k rpm but put down 304rwhp at 5600 rpm. The power quickly dropped off after 5600 and we stopped at 6400. The torque was 285 at around 4500rpm.
When I get home tonight I will scan the dynosheet for you to see. We did about 18 power pulls in about 4 hours so my car was getting a good workout. I also took a few videos of it which I will try to post later aswell.
My engine is a 2.6L M20 with overbore JE pistons, m50 rods, stock crank, 8.5lb flywheel with spec stage3 clutch (no slipping!), Huge T3/T4 ball bearing turbo and Megasquirt with 42lb injectors.
I need to install my water injection, as the intake temps started to spike up really quickly at over 5k rpm. They went from a steady 90deg (ambient was 70) and ran up to about 137deg after 5 secs of load at 5500rpm. I probably need a larger intercooler aswell, but it was cool to see what the car was putting down. I need to tune the on/off throttle response and some of the lower rpm stuff, but the wide-open power pulls were putting down a very smooth AFR of 12.8 to a richer 11.9 at 6k. I am pretty pleased with the results, but tell me what you all think.
I will try to update this sheet with the amount of boost that the engine was at aswell, since it changed a bit thoughout the run. I logged it on MS so I can see what everything was on there. The AFR's read a little differently from the dyno sheet to my MS log, so I think I trust the MS version more. They were both on the same WBO2, but reading out of am LM-1 to the dyno and back to my MS board..
I ran my cabrio on the Bosch dyno and the first #'s were 265rwhp with 248ft/lb of torque. I did a little tuning and upped the boost from 12 to 14psi. It was dropping down to about 12.5psi by 5k rpm but put down 304rwhp at 5600 rpm. The power quickly dropped off after 5600 and we stopped at 6400. The torque was 285 at around 4500rpm.
When I get home tonight I will scan the dynosheet for you to see. We did about 18 power pulls in about 4 hours so my car was getting a good workout. I also took a few videos of it which I will try to post later aswell.
My engine is a 2.6L M20 with overbore JE pistons, m50 rods, stock crank, 8.5lb flywheel with spec stage3 clutch (no slipping!), Huge T3/T4 ball bearing turbo and Megasquirt with 42lb injectors.
I need to install my water injection, as the intake temps started to spike up really quickly at over 5k rpm. They went from a steady 90deg (ambient was 70) and ran up to about 137deg after 5 secs of load at 5500rpm. I probably need a larger intercooler aswell, but it was cool to see what the car was putting down. I need to tune the on/off throttle response and some of the lower rpm stuff, but the wide-open power pulls were putting down a very smooth AFR of 12.8 to a richer 11.9 at 6k. I am pretty pleased with the results, but tell me what you all think.
I will try to update this sheet with the amount of boost that the engine was at aswell, since it changed a bit thoughout the run. I logged it on MS so I can see what everything was on there. The AFR's read a little differently from the dyno sheet to my MS log, so I think I trust the MS version more. They were both on the same WBO2, but reading out of am LM-1 to the dyno and back to my MS board..
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