vlad957

I wanted to mod my c43 I was thinking of chipping it with Euro Charge and getting the Evo Sport Ud pulley. Has anyone ever done these modes and what are the pros and cons much appreciate it.

DRBC43AMG

Ask 503C43////AMG but I'm sure he will be along here soon

503C43 ////AMG

You know me too well DRB

I have the Evosport UD pulley kit and it definitely adds power but the real gain is the quicker REV's. If you check out my https://mbworld.org/forums/c36-amg-c...o-run-c43.html thread there is a before and after dyno as well as my first impressions after installation. I have also purchased the Eurocharged tune but have yet to have the tune installed (I am waiting to install my headers and high flow cats before I tune) but I can vouch for the top notch customer service that Eurocharged offers.

Hope this helps

C43AMG

A tune on a na motor is a waste of money

503C43 ////AMG

how so? The ECU file from AMG is a generic tune meant to suit a wider range of octane (example: California most can only get 91, In Oregon I can get 93). If you have your tune set for the octane rating you use you will pick up HP. Then you start adding mods and then a tune will yield larger gains.

By no means do I think an NA motor is as responsive to a tune as a F/I motor but it has been documented several times that there are gains as well as eliminating some of the throttle lag.

Here is a perfect example, an OE tuned W211 E63 picked up 30 RWHP from a tune.

I do not believe ANY C43 will gain 30 RWHP from a tune alone but I do believe you can get 10+ RWHP which is definitely noticeable.

vlad957

nice I want to install headers on my car too can you give me the link? And how are you getting your car tuned. Are you sending your ecu to euro charge? Can you also give me the link for the pully kit?

503C43 ////AMG

I bought the remote tune cable from Eurocharged, when I am ready they will tune my car over the internet.

You can get the UD pulley kit from Evosport, just visit their web site

C43AMG

Been there , had numerous people look at tuning our motors - both the 4.3 & the 5.5 .If you want to spend $500.00 + for a tune that nets you 8-10hp MAX then go for it

503C43 ////AMG

I spent $349

C43AMG

For that type of money don't you question how much work was done for that "tune" ?I rather go the route I took -port & polish the intake, larger injectors, and a catch can.

503C43 ////AMG

How much did the port & polish, larger injectors and catch can cost?

C43AMG

I paid $450.00 - check out this thread : https://mbworld.org/forums/c36-amg-c...oject-c43.html

ECTurboGSX

How are you running larger injectors without some type of 'tune' to compensate?

503C43 ////AMG

I was wondering the same thing

503C43 ////AMG

I have read that thread before, what were your gains for the $450 spent? Also can you clarify, you spent $450 on port/polish, larger injectors, and a catch can???

also would like to comment on the first post on that thread:

"Well we've just acquired our C43 from Dave this morning and are ready to dig into it and get some good number.

We'll be trying for some dyno numbers this week for a baseline and then go to the ECU tuning from there.

Our goal is to get it to 350 Crank HP. Yes it is very optimistic, but we will be doing it in stages. First shoot for 320 HP with tuning, then 335 HP with bolt ons, and finally our goal with some more radical mods.

Stay tuned for the results."

Seems like I am not the only one tuning an N/A C43...

vlad957

Will there be a big difference in changing the injectors is it actually worth doing? I need to change my spark plugs soon should I go with bosch or ngk? And changing the spark plug wires going with original or after market? I have 146k on my car just want to be safe but they seem find maybe I should just do the plugs.

C43AMG

Correct.Anthony ( TVT owner ) never ended up doing a "complete" tune.The AFR was adjusted to compensate for the larger injectors.