Ted Baldwin

........Is there still a benefit from the Evosport underdrive pulley if your airconditioner is turned off when you are in the staging lane at the dragstrip?

Ted

Vadim @ FD

Evosport UD pulleys do not underdrive A/C. Only Power Steering, Water Pump and Alternator.

Ted Baldwin

...........thanks. I thinK I get it now. My next question is.......does underdrivig the water pump adversely affect engine cooling?

Ted

Vadim @ FD

No, we have over seveeral hundered kits out in the field and no problems. Water pumps have a very wide rpm range where their efficiency is high enough to keep engine cooling in check.

levelr123g

I have had a v6 underdrive kit on my c320 since 2003, and not one problem!

ac88

how does a underdrive pulley works? wat are the benefits?

/\/\ike230K

Since the motor have to spend LESS energy to move the OTHER parts.... MORE HP are AVAILABLE to MOVE THE CAR! heheheheheheh

is just an OPTIMIZATION of the LOSSES!!!!!!

Wehrmacht_benz

i am about to install my pulley..has there ever been reports of cars breaking down or parts becoming stressed due to the new pulley..i am about to drive cross country and don't want the pulley to jeapordizer it or leave me stranded..of course i would like it installed before i go..so i hope it works good...anyone know

OCKlasse

My brother has EVOsport pullies on his C43, and on his way back from Arizona (to California) the pulley belt snapped on the 55 and he was left stranded. Not meaning to deface EVO at all, just want to let you know that he did have an issue, and this happened approximately 8,000 miles after the purchase of the pulley. Another belt was purchased from EVO and there have not been any issues since.

C43AMG

Aside from the obvious , how does your brother like the pully upgrade?

Wehrmacht_benz

he had to purchase another belt? why wouldnt evo give us a strong belt? i am getting worried now..i wanted to put the pulley on before i drove across the country..can someone from evo chime in here...does this **** happen often..

Wehrmacht_benz

by the way i have a cl500///so i have a different sort of pulley kit...this is going to frighten me now..what if i get stuck in iowa in the middle of the night helpless...because i drive hard too...i am not going to be *****footing once its on....so evosport make me feel at ease here, i spent 400 dollars proably for a few horsepower.

vraa

evosport changed the design of the pulley, before I think it didn't have a lip or something, now it does.

Call evosport to verify.

Wehrmacht_benz

when i ordered it i did verify i said listen dont get me out on the road and these things just snap or break..of course i was assured they are ok they have to move product out the door..anyway i think the cl500 kit is very simple so i am hoping they wont strand me somewhere as that is my biggest automotive fear....im wondering if the evosport guy can jump back in here and just say something.

OCKlasse

Definately felt a difference on the freeway...worth the money definately

SDR

Any belt can snap. Just make sure the kit is installed properly and everything is aligned as it should be.

1phd1jd

Evosport has great products and are reliable.

OCKlasse

EVO installed them

phat-ho

guidance. a LONG time ago you had offered contact information on a person in the atlanta area who can make comand units play DVDs, even if the headunit is a 2003 model. can you let me know?

Ted Baldwin

...............Just wanted to add that I had the undersrive pulleys installed. Mechanic said that the pulley belt it came with was too short so they used an oem mercedes belt.......no problem car drove fine. Drove 500 miles and developed belt noise. Noise got louder and when inspected, innner portion of belt was shreaded. Not knocking evosport or mercedes, but something to keep in mid if you do this mod. You may wish to carry an extra belt in your trunk for those out of town trips. For me, my car is plenty fast already, so although I am happy with the evosport pulleys, it was probably not worth the hassle in my specific case.

Ted

Stephen04E55

totally unacceptable in my mind. my evosport pulley caused similar problems with belt shredding and such. The Renntech pulley that I later installed caused zero problems after many thousands of miles. The Renntech pulley is a modified stocker and that is why it worked much better than the new pulley that Evosport tried to produce. I had the first generation pulley from evosport but the newer ones may have fixed the earlier issues.

levelr123g

If the pullies are shredding belts, etc, then possibly the pullies are not aligned properly. Possibly the power steering pulley was not pressed on far enough and its causing the belt not to track straight. Check the workmanship of the mechanic before you blame the workmanship of the pullies! I have had my pullies on now for almost 65k and havent had one problem with belts or anything!

///AMG55

OK I have A QUESTION:

Will a Underdrive evoport pulley kit with belt from a 00' ML 320 fit on an 01' ML 55 ???
I was told YES by Dale a general questions guy at Evosport and NO by some other sales guy at the same company. This was all over the phone, Dale assured me that they would fit that its bascially the same engine. what are your guys thought. Thanks!

yeuchau

basically the same engine, what is he talking about.
55 is kompressor engine, and is also hand made

Mach430

Most likely he was referring to the configuration of the water pump, alternator, power steering pump and belt size in relation to both motors. Just because one car has a 8 cylinders doesn't mean that the rest of the components are specific to that car. Car companies try to design cars so that their parts can be used across several models in order to keep design and production costs lower.

I don't remember in relation to the belt, but I know the pulleys themselves can work on both models.