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Diesel Race tune : Went to the Dyno!

45583 Views 89 Replies 16 Participants Last post by  machusenpai
Following this thread : http://www.cruzetalk.com/forum/201-...cussion/196210-small-changes-reduce-heat.html

And after chatting with Corbin Murphy @ Fleece, i wanted to know how much power my car was making and if the 50hp tune was indeed stronger then the Race tune. (The tune you get when you delete)

So Corbin made a Tune that "should be the 50hp tune scripted over what you had." (The 50hp tune is one of the 3 tunes you get when you just tune a stock Diesel)

So here are the results : Land vehicle Vehicle Car Chevrolet cruze Motor vehicle
Line Text Pattern Design Architecture
Electronics Technology Font Electronic device Auto part
Technology Electronics Scoreboard Display device Electronic device



https://youtu.be/1_zbidBTdsQ

1st of all, if you look in the picture where you see my car, on the blue shield its writen Mustang Dyno, so these are good numbers. The guy there never did a Cruze, didnt know Diesel existed and was quite impressed.

I was right! The 50hp tune is indeed more powerfull then the Race tune, but the amount of BLACK SMOKE you get is ridiculus, lol. The guys at Fleece did an incredible job on the Race tune to make it this powerfull with almost no smoke. On the Graph you can see the difference between the two tunes.

181hp and 296lbs of torque at the wheels for the 50hp dirty tune. The torque punch earlier too, its quite violent and funny when you drive.

173hp and 286lbs of torque at the wheels for the Race tune. Smoother driveability and no smoke.

Conclusion : I will use the 50hp tune only when i go Drag racing or to do stupid things. Its not worth it on the street for the difference with the Race tune.
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· COTM Winner
2014 Cruze Diesel, 2007 Cobalt, 1981 Camaro Z28, 2017 Volt
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Well, stock crank HP is 151 SAE certified, so i would say around 125-130hp at the wheels.
136.89 HP and 259.16 lb-ft of torque at the wheels last September. :)
 

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You have pics of that?
I have a video (not that it's much to watch - this was the quietest vehicle that day), and the chart, yes. I had to back-calculate torque, since we couldn't pick up RPM with the dyno. RPM is therefore also calculated.

But the dyno has wheel speed and corrected HP (so the HP isn't calculated), so it was easy to do.
 

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· COTM Winner
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Yeah, that makes sense; the Mustangs always read a little bit lower. I was real happy with how it performed - certainly surpassing what the car is rated at.
 

· COTM Winner
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That stupid transmission can barely keep itself happy in stock form.
 

· COTM Winner
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No one has tuned an Aisin before. So uh, save your money there.
"TRIFECTA presents a complete powertrain power delivery profile recalibration for the MY2014+ Chevrolet Cruze 2.0TD Clean Turbo Diesel LUZ Engine and corresponding Aisin AF40 6-speed automatic transmission reprogramming.

Specifications of the TRIFECTA Performance MY2014+ Chevrolet Cruze 2.0TD Aisin AF40 6-Speed automatic transmission TCM calibration software reprogramming:

-Supplementary Aisin transmission TCM reprogramming compliments the ECM reprogramming and completes the TRIFECTA Powertrain Calibration: designed to work in unison with the ECM reprogramming for optimized performance
-Improved shift times in adverse shift patterns
-Improved shift logic
-Does not shorten transmission life or increase cooling requirements
-Retains all OE diagnostics functionality and TCM diagnostics
-Retains all OE error code reporting and functionality
-Improved fuel economy with improvements made to torque converter slip profiles"

And based on emails I have from Vince, it also gets rid of torque management.
 
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· COTM Winner
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No other GM vehicle that was out when the CTD tune came out that had an Aisin to my knowledge.

@WOT-Tuning
 

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Anyway, its the best a Cruze Diesel can do, unless it would be way more modified. (Bigger turbo, injectors, suspension, ect...)

But with more power, traction would be a big problem. Even at my power lvl i had difficulty hookin'up on a preped track with our open diff, that's with 225mm PZero tires, lol, so...
You're lucky they prep your track. I have to deal with trying to launch my Cobalt (supercharged - so 14psi instantly off the line) on tracks that aren't prepped at all - that is unless I want to drive hours and get about one run in. Even with my 225 ZIIs it's impossible not to spin.
 

· COTM Winner
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I'm assuming Fleece locks the tune so that only they can upload a new one? Is that the issue I'm seeing here?
 

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Normaly all tuners lock access to there tunes, Fleece are no different.
That's what I figured, just wanted to make sure I was following correctly.
 

· COTM Winner
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Nope, loaded in 5-6 minutes
Likewise when I did mine in December. Quick, like my Cobalt, though the trans tune uploaded way quicker.
 
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Still turbo laggy off the line, but the pull mid range if phenomenal.
That's what I noticed with ours.

We had a 52 MPG tank at the end of February (30% city), which is far better than anything we've ever gotten on the same trip in February. It wasn't brutally cold or anything, but it still was like 35-40 degrees.
 
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