Stock W204 C63 - How to get more power than 507 edition? 

Truly love this question. In short: dynojet (what you see most of the time cause they are cheap AF) read about 17 percent higher. Long answer: a) to a tuner, the numbers are irrelevant. We work with what’s called “delta” aka percentage gain from stock to a tune. Stock c63 makes 350 ish WHP on my Mainline. 420whp tune+Decat (not headers). That’s around 70 whp delta. 20% gain. 20% delta. With long tube headers I usually get to around 440whp if the car is healthy. That makes it 90 whp gain, aka 26% delta. Need to check that with dynojet, however the key information to reading And dyno chart, is to see what the baseline was. What did the car put out stock? Subsequently we should see roughly 400whp as baseline on that 500whp tuned car. But then there are two more factors to dissect, was it inertia based dyno, or was it eddy braked dyno? Or was it hub dyno, and if so, what manufacturer. And then a complete rabbit hole: what wheels and tyres. I can do a 2 hour long video on that, that will cook most brains :) will be pure geek material :)

@@EuroSurgeonNz bottom line...dyno numbers are irrelevant. More for actual tuning of the car.

@@mdbelden I think most people know that dyno numbers are for tuning the car but it is also used by most people when they are gauging the performance of a car they might be racing. So if John Doe says hey what's your car putting down your probably not going to say. It putting down the best number my tuner could do at the time of day. Its running pretty good. Ok I take that back I'm sure some will say that. LOL

​@@EuroSurgeonNzwhat are the best tyres to squeeze as much output on these cars? (W204)

Its a common hatred for priuses that unites us :)

@@speedministry6556 Prius would be my number 3. 1 would be Honda Fitt, 2 Honda Jazz. Rounding out the top 4 of cars which shit me is the Nissan Leaf.

@@michaelh5722 With you on that. Throw in occasional paranoid Suzuki Swift and we got a perfect road rage trigger combo.

Thank you Tucker! Comments like these keep me going :)

Thanks bud. Regret selling mine TBH.

@@EuroSurgeonNz You're welcome man. All the very best of luck finding another M156 powered car to replace the one you sold.

I’m at 180,000 km is it smart or too late in mileage for more stress on components

Do it! Last of the true NA hoon machines!

@@EuroSurgeonNz Yes this video was very eye opening amazing can get that much more power/torque out of it with a simple tune... well done to you guys! do you have any recommendations for a tuner in Melbourne Australia?

@@cruddCNC have a chat with International AutoHaus. Ask Allen if they have a dealer in Melbourne. Pretty sure they do.

Yup, can confirm, does wonders. Custom made to order, worldwide shipping available.

Talk to your local dyno tuner. We are in Auckland, New Zealand.

Hey Stu. Realistically with full decat (primary), carbon detox, fresh coils and plugs, 98(e10) fuel you should see 530-540 out of them. Pair up with long tube headers - may even be 550-560. But it all comes down to what the car will be happy with. Cheers, Ryan

@@multiblade04 awesome thanks I decided to leave mine with just induction and decatted, putting the rest of the money towards getting the GTR

@@multiblade04 If the car has been looked after, and the tuner can log requested and actual information on camshafts, and see timing corrections - it will be fine. Ive done them with 250km and looooooong list of maintenance. You cant just say 100km is good, 200 is shit. All comes down if its been worked on and looked after properly.

@@EuroSurgeonNz it’s had motor mounts replaced ESL lock replaced oil change every 5-6k km trans flush 3 times coolant flush 3 times power steering flush twice and brake flush every 2 years

​@@multiblade04 Again, without datalogging the car, cant tell you anything.

Injectors, Longtube headers, E85 - guessing another 50WHP. However, she will drink like a sailor. Also, we no longer have E85 at the pump :(

Hi. Long tubes, filters and tune get to 460 to 480 rwhp. Add e85 and tune and its around 510rwhp.

E85 and tune adds 25-30rwhp over 93 octane tune

Hey. If they have the tools that can suck the file out and flash it back in - yeah can help

540hp tune Na?

Hey bud. Sorry not possible online, but you can send me the ECU and I will do it on the bench. shoot me an email and will see what we can come up with.

@@EuroSurgeonNz can i have your email and where and how can i remove ECU?

Honestly never done the comparison back to back. But gut feeling tells me that difference would be marginal

Hi. Tasos does a weights video. Depending upon the model year some m156 received m159 rotating assembly. Its not worth much power at all on its own maybe 3 to 5 hp.

2014 received the m159 rotating assembly.

Ummmm hell no, why bother? Hpfp and TB are not the restrictors on m156 till you get to forced induction. You might be thinking VAG group cars. But even then, that convo is rare till you get to extremes. IE, upgraded fuel pump and throttle body on our 700hp mk6r.

Hey, we are in Auckland, New Zealand. But have few dealerships in other cities in NZ

Neither. Naturally aspirated 6.2L

@@EuroSurgeonNz Oh nice. Does naturally aspirated vs turbo charge or super charge make less or more pops and bangs or does it not matter if you have a turbo or super charger or naturally aspirated?

Sounds like a figure at the engine, which doesnt mean much. What is the power at the wheels, What transmission, and what mods have been done. Also, most importantly, what brand dyno and do you have a dyno log to check? Would be happy to help.

@@EuroSurgeonNz I have a 2009 c63 i have it tuned with long tube headers and primary cat delete but the power doesn't exceed more than 420whp Do you know what can be causing this?

Hey @@poorlilboy54 . If we assume that the tune itself is fine, there is a list of common culprits. The ones i see the most are leaking manifold (internally), carbon buildup on the valves, Camshafts wear. Best bet find someone in your area that has decent logging equipment and dyno. Log timing, Retardation, cam request vs actual. Do a smoke test on the system. More importantly, what was the baseline run on dyno on stock power?

Interesting point of view. Why do you think forged internals would produce more power?

@@EuroSurgeonNz i think forged internals are more Durable , can handle more power than the stock pistons

​@@EuroSurgeonNz with stock internals and with 500 HP tune , will the engine life span be shoter than the stock tune 457 HP like the camshafts and hydraulic lifters ?

@@ferasmartan8597 Forged internals only real benefit is shaving off a couple pounds off weight of the engine...

@@EuroSurgeonNz that’s what I’m trying to figure out. Will a tune stress the components more and accelerate wear? I have 180,000km and runs great but I don’t want to start beating on the motor and sucking power at this mileage and introduce more stress to components already at high mileage and that’s what I was told by other tuner. What do you think at 180,000km?

What tune it is, is highly irrelevant. I can bet you $1000 not even the most expensive off the shelf tune can beat a carefully dialed in tune ( individual car set up, if we take two “perfect condition” cars). You can’t tell me that it’s possible to create a max power file, that will be “best power for all”. Also, we lost ethanol in New Zealand. No more corn juice, thanks to COVID. Now it’s sold as hand sanitizer for triple the price. Also, slight draw back, roughly 20% more consumption when you use the loud pedal. BUT SOOOO MUCH FUN!!!!!

@@EuroSurgeonNz off the shelf tune? LOL. We spent days on the dyno sending data logs back and forth to Jerry at Eurocharged. Trust me, he does it right. Not saying he's the only one, but his experience with these cars makes him one of the best.

@@EuroSurgeonNz oh yes, and one of MANY reasons I thank God I don't live in New Zealand! Great place to visit but F that government.

@@mdbelden noice. What was the baseline run on it.

@@EuroSurgeonNz I was there for the first run, left the rest to the professionals. Check it out in my videos. I recorded it then left. That run was done with the tune that allows throttle body to open up 100%.