Anyone have an underdrive pulley kit installed?
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From: PDX
1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
Anyone have an underdrive pulley kit installed?
I am thinking about getting one of those evosport pulley kits but I wanted to see if anyone had a pulley kit installed to see if it was really worth the $360. I know there are claims of extra HP and better MPG but I wanted to hear from someone who actually has some installed. If it does increase my MPG with no adverse affects I am down as it would pay for itself in a year or 2.
Here is the kit I was looking at:
http://www.vividracing.com/catalog/p...ducts_id=13690
P.S. see if you can notice the little typo in the add..... made me laugh
Here is the kit I was looking at:
http://www.vividracing.com/catalog/p...ducts_id=13690
P.S. see if you can notice the little typo in the add..... made me laugh
Last edited by 503C43 ////AMG; Feb 6, 2011 at 11:12 AM.
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W203 C55 and SAAB 9-3 2.0T
From when I did this research a few months back I was told skip it and go with the AMS pulley, even though its controversial, other members are using the AMS and loving it. If you go either way, let me know. Ive heard the AMS makes the motor much more read to rev.....
Thread Starter
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From: PDX
1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
From when I did this research a few months back I was told skip it and go with the AMS pulley, even though its controversial, other members are using the AMS and loving it. If you go either way, let me know. Ive heard the AMS makes the motor much more read to rev.....
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From: Dallas, Texas
W203 C55 and SAAB 9-3 2.0T
The evo is for under-driving the entire system. AMS a light weight crank pulley causing it to spin more freely. AMS, will be here in a few mins I am sure to explain.
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From: Norcal
43
Did you baseline dyno yet? It would be a great way to show if there truly are performance gains with before/after dyno's of the AMS pulley.
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From: Chapel Hill, NC/Montreal, QC
1995 C36 AMG, 1998 C43 AMG
Dunno bout the M113 application, but I can tell you the AMS pulley for the M104 is laughed at on about every MB forum out there, so I don't see why the M113 would be much better...
Last edited by nd4spd13; Feb 6, 2011 at 05:48 PM. Reason: Thanks 503
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From: PDX
1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
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From: Chapel Hill, NC/Montreal, QC
1995 C36 AMG, 1998 C43 AMG
Also, on the webpage you linked, it says it fits all 1998+ C280's and C43s. Maybe I just don't know enough on how underdrive pulleys work, but aren't those entirely different engines/components/serpentine belts? A tad fishy to me.
Last edited by nd4spd13; Feb 6, 2011 at 05:52 PM.
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From: Dallas, Texas
W203 C55 and SAAB 9-3 2.0T
There is a member here that has one running on a CLK500 and says he loves it. Maybe he can chime in. But as stated above, theres lots of bad press about it also.
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From: PDX
1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
I found this old thread... A member here (at least they used to be) put the evosport pulley kit on his C43 and he said he gained about 15 HP at the rear wheel and it was the best mod he had done, I think I might go this route as well.
https://mbworld.org/forums/c-class-w...rt-review.html
https://mbworld.org/forums/c-class-w...rt-review.html
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From: SCV SoCal
2002 CLK430
Let me see if I’ve got this right, someone dyno’d their car, swapped a pulley, dyno’d it again and picked up 15 HP. On an NA car. The alternator, water pump, cooling fan, AC compressor (which freewheels when it’s not on), and PS pump are "slowed down", and THAT freed 15 HP?
On most cars with a mechanical fan, that is the biggest drag. I’ve built and tested electric fans (not for MB). They work.
On most cars with a mechanical fan, that is the biggest drag. I’ve built and tested electric fans (not for MB). They work.
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From: PDX
1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
Sigh, if Marcus is skeptical then I am skeptical.... Sucks cause this seemed like a cheap and easy way to increase your HP as well as make your engine rev quicker. There was a thread I read about a guy with an E36 M3 that dyno'd put the pulleys on and then dyno'd again and he is claiming an 8 RWHP gain which seems more believable. Either way I guess I will wait on this until I have nothing else to add.
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From: SCV SoCal
2002 CLK430
I could be wrong, and someone could get fifteen horsepower from slowing down the accessories, but man, these cars only rev to 6 or so. I removed everything except the waterpump on a car that rev'd to 8500 and never saw anything close to 15HP. How much HP does it normally cost to spin the freewheeling AC, PS, alternator, and waterpump? I mean, if someone gains 15 from "slowing it down", then what does that mean "total drag" normally is? 40HP? 50? I don't mean to offend any Cavalier fans, but the heap of crap second gen Chevy Cavalier had 90HP. The accessories on that junker can't be better than the one on the W202. Assuming they're the same, 90HP minus 40 or 50 for accessories, minus the drag from it's GM drivetrain, so what pushes the car, 20 HP? It weighs 2300 - 2400 pounds. It's a slow car, but not 20HP pushing 2300 pounds slow. If so, what happens when the AC is turned on? I'm just having trouble with the math here & think gaining 15HP from slowing accessories sounds a little high. Maybe AMS can explain it.
Last edited by MarcusF; Feb 6, 2011 at 11:29 PM.
Thread Starter
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From: PDX
1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
I could be wrong, and someone could get fifteen horsepower from slowing down the accessories, but man, these cars only rev to 6 or so. I removed everything except the waterpump on a car that rev'd to 8500 and never saw anything close to 15HP. How much HP does it normally cost to spin the freewheeling AC, PS, alternator, and waterpump? I mean, if someone gains 15 from "slowing it down", then what does that mean "total drag" normally is? 40HP? 50? I don't mean to offend any Cavalier fans, but the heap of crap second gen Chevy Cavalier had 90HP. The accessories on that junker can't be better than the one on the W202. Assuming they're the same, 90HP minus 40 or 50 for accessories, minus the drag from it's GM drivetrain, so what pushes the car, 20 HP? It weighs 2300 - 2400 pounds. It's a slow car, but not 20HP pushing 2300 pounds slow. If so, what happens when the AC is turned on? I'm just having trouble with the math here & think gaining 15HP from slowing accessories sounds a little high. Maybe AMS can explain it.
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From: Land of mountains, cheese, chocolate and watches
12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG + Ultima Can-Am sold)
Get a nice pulley like one of these (see post #4): https://mbworld.org/forums/c36-amg-c...their-c43.html
Last edited by DRBC43AMG; Feb 7, 2011 at 09:04 AM.
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From: Dallas, Texas
W203 C55 and SAAB 9-3 2.0T
Get a nice pulley like one of these (see post #4): https://mbworld.org/forums/c36-amg-c...their-c43.html
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From: Land of mountains, cheese, chocolate and watches
12' W204 C63 AMG coupe "T-Rex", 12' W451 Smart Fortwo Pulse (99' W202 C43 AMG + Ultima Can-Am sold)
Same guy in the UK (BlackC55) who does the cat and resonator bypass pipe
