Drivetrain (Cooper S) MINI Cooper S (R53) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Dyno Run After MTH Installed

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Old Jun 27, 2005 | 07:58 AM
  #26  
ingsoc's Avatar
ingsoc
6th Gear
Joined: Jan 2005
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From: New Brunswick, NJ
Originally Posted by Dr Obnxs
Also, MTH has tuned the Cosworth maps for M7. It would be interesting to see that A/F data.
This is quite true. In the next few weeks, I should be taking delivery of my M7/Cosworth package, and I will try to get before and after runs of the parts, perhaps even with/without the software :-D. Got the Stage II package. In the meantime, I'll be trying to get baseline runs on my car. So much goodness, so little time!

PS: Anyone near South Florida have the cables necessary to install the MTH software?? I'd gladly work something out to borrow them :-D.
 
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Old Jun 27, 2005 | 08:49 AM
  #27  
Larry Clemens's Avatar
Larry Clemens
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Joined: May 2005
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From: Los Angeles
Check out great article by Steve Dinan on dinancars.com: Dynamometer Testing.

Rich A/F conditions can be caused by insufficient air flow during dyno testing resulting in the ECU retarding timing and richening the fuel mixture to prevent detonation and overheating.

By using two large fans (don't know cfm) and ice on the IC my HP and Torque #s improved significiantly during recent dyno run.
 
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Old Jun 27, 2005 | 11:12 AM
  #28  
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Dr Obnxs
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From: Woodside, CA
Even if you aren't hitting the timing retardation

Ice on the IC will improve your numbers... Denser charge, more squirt, more power! That is, until you run out of injector, then it's back to lean, knock and retardation.....

Matt
Originally Posted by Larry Clemens
Check out great article by Steve Dinan on dinancars.com: Dynamometer Testing.

Rich A/F conditions can be caused by insufficient air flow during dyno testing resulting in the ECU retarding timing and richening the fuel mixture to prevent detonation and overheating.

By using two large fans (don't know cfm) and ice on the IC my HP and Torque #s improved significiantly during recent dyno run.
 
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Old Jun 27, 2005 | 11:17 AM
  #29  
Larry Clemens's Avatar
Larry Clemens
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From: Los Angeles
My OEM injectors pooped out at about 6800 rpm but still kept the A/F mixture in a safe range until MTH rev limit of 7200. Will JCW injectors do a better job at high revs?
 
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Old Jun 27, 2005 | 04:45 PM
  #30  
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Dr Obnxs
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From: Woodside, CA
Stock are 340 cc

and the JCW are 380 cc (I think that's per minute?) The ones on my Mustang are rated in LBS/Hr! So the JCW flow a bit more than 10%. M7 does some 400s, and I've seen reference to 440s as well (for those that really need to drink some fuel).

BTW, oil closed over $60 a barrel today....

Matt
Originally Posted by Larry Clemens
My OEM injectors pooped out at about 6800 rpm but still kept the A/F mixture in a safe range until MTH rev limit of 7200. Will JCW injectors do a better job at high revs?
 
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Old Jun 30, 2005 | 02:49 AM
  #31  
Detonics's Avatar
Detonics
3rd Gear
Joined: Sep 2004
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Dyno with MTH

My Current mod:

15% pulley
Lighten crank pulley(stock size)
Alta cai
VGS
One ball
MTh!

Figure is HP on flywheel/engine.
 
Attached Thumbnails Dyno Run After MTH Installed-rotation-of-picture-531-medium-.jpg   Dyno Run After MTH Installed-rotation-of-picture-532-medium-.jpg  
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Old Jun 30, 2005 | 07:28 AM
  #32  
soNburst's Avatar
soNburst
1st Gear
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From: Jersey
where how can i get this mth for my car?
 
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Old Jun 30, 2005 | 02:16 PM
  #33  
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Larry Clemens
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From: Los Angeles
Call Steve at Steve's Auto Clinic in North Hills, CA
 
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Old Jun 30, 2005 | 03:10 PM
  #34  
Dr Obnxs's Avatar
Dr Obnxs
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From: Woodside, CA
Look here.....

Originally Posted by soNburst
where how can i get this mth for my car?
This post covers it. If you live near someone who's done it, you may be able to borrow equipment, and then it will only cost reg fees.

Matt
 
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