Eurocharged V7 Dyno Tune - Results
2013 C63 P31
Secondary cat delete
Charcoal filters removed
Stock
417whp
370wtq
V7 Dyno Tune
455whp
420wtq
Drivability is much improved. Midrange torque gains are pretty huge making car rev much faster. Top end also feels like a beast.
Dyno tune netted me about 12whp and 15wtq as the V7 flash only gave me 443whp and 405wtq.
From what I see over here, it's reasonably common to see 430-440 on a P31 from just a tune and secondary delete. However the additional 15whp up top is more like full decat gains, so that's nice to know that the V7 is doing something different.
What I find epic is how strong your low rpm and mid-range is doing!
I'm guessing you specified the higher rpm tune to 7200rpm? How are you finding the full throttle spring to 100mph now with the longer 2nd and 3rd gears?
I need me this V7 tune...

Oh - any chance you can send me some Torque logs at WOT ? I like to analyse these things like a goof.
From what I see over here, it's reasonably common to see 430-440 on a P31 from just a tune and secondary delete. However the additional 15whp up top is more like full decat gains, so that's nice to know that the V7 is doing something different.
What I find epic is how strong your low rpm and mid-range is doing!
I'm guessing you specified the higher rpm tune to 7200rpm? How are you finding the full throttle spring to 100mph now with the longer 2nd and 3rd gears?
I need me this V7 tune...

Oh - any chance you can send me some Torque logs at WOT ? I like to analyse these things like a goof.
question, how long was the tune on your car before you hit the dyno? Have you had it on the car for a while or just uploaded it when on the dyno? I ask because eurocharged told me that after the car adapts to the tune (has to be driven around for a while) I would of likely picked up another 10whp or so
question, how long was the tune on your car before you hit the dyno? Have you had it on the car for a while or just uploaded it when on the dyno? I ask because eurocharged told me that after the car adapts to the tune (has to be driven around for a while) I would of likely picked up another 10whp or so
Toronto.
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oill temp normaly on 105-110 and coolant aound the same.
dont let the stock readings fool you.
if you drive hard, oil and radiator upgrades!
this car is for show.
imo many flaws in design including headbolts, lifters, cams. Cam adjuster, cooling oil and coolant.
Last edited by Rick X Joaquim; Apr 8, 2018 at 06:00 PM.
2013 C63 P31
Secondary cat delete
Charcoal filters removed
Stock
417whp
370wtq
V7 Dyno Tune
455whp
420wtq
Drivability is much improved. Midrange torque gains are pretty huge making car rev much faster. Top end also feels like a beast.
Dyno tune netted me about 12whp and 15wtq as the V7 flash only gave me 443whp and 405wtq.

was it 91/93 octane?











