ECU Remapped Dyno
01-24-2008, 11:13 AM
#12
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2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
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Originally Posted by 525iEnjoy' post='522358' date='Jan 24 2008, 12:07 PM
68 more HP to until you can reach the Rated HP of 325.
01-24-2008, 11:19 AM
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That's great to see dyno proven gains and a good number too!
But I'm wondering why the numbers are still so low? Even if you use a DT loss of 20%, you're still shy of the factory claimed 325 crank hp. I know Dyno Dynamics are more conservative dynos but it's weird to see it go below the factory crank numbers.
But I'm wondering why the numbers are still so low? Even if you use a DT loss of 20%, you're still shy of the factory claimed 325 crank hp. I know Dyno Dynamics are more conservative dynos but it's weird to see it go below the factory crank numbers.
01-24-2008, 11:25 AM
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That's great to see dyno proven gains and a good number too!
But I'm wondering why the numbers are still so low? Even if you use a DT loss of 20%, you're still shy of the factory claimed 325 crank hp. I know Dyno Dynamics are more conservative dynos but it's weird to see it go below the factory crank numbers.
But I'm wondering why the numbers are still so low? Even if you use a DT loss of 20%, you're still shy of the factory claimed 325 crank hp. I know Dyno Dynamics are more conservative dynos but it's weird to see it go below the factory crank numbers.
That is why I posted two dyno's....the first is with dyno dynamics and the second is with dynojet. The Dynojet numbers are with STOCK EVERYTHING too. Yes the numbers read low, but I wanted to see how much the ECU remap actually gained.
01-24-2008, 12:45 PM
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Originally Posted by vegastrashed' post='522360' date='Jan 24 2008, 12:13 PM
Shoot 325rwhp will put him at over 400 crank hp. Anyway, I'm sure you read r1racer's dyno chart incorrectly; 257 is to the rear wheel.
01-24-2008, 12:49 PM
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My Ride: 2007 E63 AMG | Obsidian Black | Schwarzes Nappa | Black BirdEye Maple | Premium II Package | Electronic Trunk Closer | Parktronic
Engine: RPi/Powerchips custom ECU tune, RPi Ram Air Kit (BMC filter, scoops), RennTech Sport exhaust, secondary cats, charcoal and resonator delete, custom AAA x-pipe
Exterior: 50% side windows / 35% rear window Formula One Pinnacle Series | Flat AMG hood emblem
Suspension: Renntech Lowering Module
Wheels/Tires: Radenergie R10, Falken FK452 245/30/20, Yokohama ADVAN Sport 285/25/20
-----------------------------------------
2005 545i Sport SMG | Ti Grau | Schwarzes Dakota | Anthracite Maple | Logic 7 | Nav
Engine: Custom AFE CAI, Superchips ECU remap, Sprint Booster, RDSport Dual Exhaust Conversion with Quad Pipes and X-pipe, 3 resonators deleted, 90mm tips!
Exterior: M-Tech Aero kit | M5 Mirrors | M5 Rear Bumper | Trunk Lid Finisher | Vorsteiner decklid spoiler | 50% Formula One Pinnacle Tint
Suspension and Brakes: Bilstein PSS9 coilovers, JBT BBK: 16" cross-drilled rotors, 8 piston and 15" cross-drilled rotors, 4 piston
Wheels: VIP Modular VR 02 20x9F, 20x10R | Toyo T1R 245/30/20F, 285/25/20R
Lights: PIAA 4150K Xtreme White Plus fog lights, AIB v3
MOST IMPORTANT: Hardwired V1; =)
ED Date: 4/7/05, Re-delivery date: 5/21/05
Originally Posted by 525iEnjoy' post='522358' date='Jan 24 2008, 12:07 PM
68 more HP to until you can reach the Rated HP of 325.
01-24-2008, 01:09 PM
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I'm surprised that the HP is kind of low before the ECU remap.
The 545i is rated at 325HP at the crank, subtract %20 loss (65HP) is 260 rwhp
243.8 rwhp (before) is a bit low
257.9 rwhp (after) sounds about right.
Am I missing something?
The 545i is rated at 325HP at the crank, subtract %20 loss (65HP) is 260 rwhp
243.8 rwhp (before) is a bit low
257.9 rwhp (after) sounds about right.
Am I missing something?
01-24-2008, 02:48 PM
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Originally Posted by zen68' post='522432' date='Jan 24 2008, 02:09 PM
I'm surprised that the HP is kind of low before the ECU remap.
The 545i is rated at 325HP at the crank, subtract %20 loss (65HP) is 260 rwhp
243.8 rwhp (before) is a bit low
257.9 rwhp (after) sounds about right.
Am I missing something?
The 545i is rated at 325HP at the crank, subtract %20 loss (65HP) is 260 rwhp
243.8 rwhp (before) is a bit low
257.9 rwhp (after) sounds about right.
Am I missing something?
Yes the numbers are low, BUT please keep in mind its a Dyno Dynamics...if you see the other dyno sheet its a Dynojet which made peak 271 whp crank is 325 so the loss is 16.62%
Does that kind of make sense?
01-24-2008, 08:46 PM
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Originally Posted by r1racer' post='522467' date='Jan 24 2008, 03:48 PM
Yes the numbers are low, BUT please keep in mind its a Dyno Dynamics...if you see the other dyno sheet its a Dynojet which made peak 271 whp crank is 325 so the loss is 16.62%
Does that kind of make sense?
Does that kind of make sense?
is there a ecu remap for the 645ci? what kinda cost is involved?
01-25-2008, 12:25 AM
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A load-based dyno typically reads about 13% lower than a dynojet. A load dyno won't give impressive numbers, but is best for tuning.
The actual numbers are not that important, but rather the delta and space under the curve.
The actual numbers are not that important, but rather the delta and space under the curve.