What's the best pulley for road racing/track use?
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MBWorld Fanatic!
Joined: Sep 2005
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From: Sacramento, CA
Ducati
What's the best pulley for road racing/track use?
Anyone here track their E55? If so, what pulley are you running? If not, what are your thoughts on the best pulley setup for spending 30 mins on the track? I was originally leaning towards a 77MM pulley, but after doing some reading - think I might have issues with high IATs here when the ambient is 80 or higher... 
I'm now leaning towards an 83MM with a DTK heat exchanger just to be safe, but I'd like to hear your thoughts...
Thanks!
Oh, also worth mentioning - I'll also be installing EC Mid-length headers!
I'm now leaning towards an 83MM with a DTK heat exchanger just to be safe, but I'd like to hear your thoughts...Thanks!
Oh, also worth mentioning - I'll also be installing EC Mid-length headers!
Last edited by justinwrock; Aug 30, 2017 at 11:05 PM.
Member
Joined: Oct 2014
Posts: 109
Likes: 12
From: Laguna Beach, CA
O3 & 05 E55 Alabaster White
If I was to do what you're doing and trying to track the car, I would stick with the stock pulley and improve the exhaust side. Long tubes and good cooling mods. If you want to do a pulley then nothing smaller than a 84mm.
Member
Joined: Jan 2017
Posts: 166
Likes: 20
From: East Coast
2005 E55 AMG
Anyone here track their E55? If so, what pulley are you running? If not, what are your thoughts on the best pulley setup for spending 30 mins on the track? I was originally leaning towards a 77MM pulley, but after doing some reading - think I might have issues with high IATs here when the ambient is 80 or higher... I'm now leaning towards an 83MM with a DTK heat exchanger just to be safe, but I'd like to hear your thoughts...
Thanks!
Oh, also worth mentioning - I'll also be installing EC Mid-length headers!
I'm now leaning towards an 83MM with a DTK heat exchanger just to be safe, but I'd like to hear your thoughts...Thanks!
Oh, also worth mentioning - I'll also be installing EC Mid-length headers!
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Member
Joined: Jan 2017
Posts: 166
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From: East Coast
2005 E55 AMG
Senior Member
Joined: Sep 2013
Posts: 285
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From: New York
2006 CL55 AMG
77, 74, or 72mm clutchless pulley?
77mm, 74mm, or 72mm clutched pulley?
2006 CL55 AMG; primarily for New York State street and highway racing.
Have: tandem heat exchanger, Bosche10 pump, stock intake with K&N filters, TCU tune, Kleeman mid-length headers, 200 cell primary cats, deleted secondary cats w/deleted CEL, deleted resonators, stock mufflers.
Future: 82mm TB
2006 CL55 AMG; primarily for New York State street and highway racing.
Have: tandem heat exchanger, Bosche10 pump, stock intake with K&N filters, TCU tune, Kleeman mid-length headers, 200 cell primary cats, deleted secondary cats w/deleted CEL, deleted resonators, stock mufflers.
Future: 82mm TB
MBWorld Fanatic!
Joined: Nov 2008
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From: Davenport
clk500
Well if u were in fl I would buy it off you
So I can try it out
Junior Member
Joined: Jun 2017
Posts: 24
Likes: 0
2004 e55
I am just trying to keep in perspective all the options at all the price points. I have several parts from DTK and UPD and have run with tunes from a "can" from a common tuner and what i would consider THE tuner. I have been around this car scene for years and I am always amazed that the guys that have some user or opinion induced issue are always the vocal ones.....
AdamT
So what was the issue?
Super Member
Joined: Jun 2017
Posts: 899
Likes: 140
2005 E55
I just want to clarify your comment. You are saying that there is no proof that it cools better then other aftermarket heat exchangers. This would infer that is does cool better than the stock unit, as good as other aftermarket units, just not "better" than others. You are also stating that it is "cheap parts welded together" that perform as good as other units at a lower price point with no other set backs other then cosmetic.
I am just trying to keep in perspective all the options at all the price points. I have several parts from DTK and UPD and have run with tunes from a "can" from a common tuner and what i would consider THE tuner. I have been around this car scene for years and I am always amazed that the guys that have some user or opinion induced issue are always the vocal ones.....
AdamT
So what was the issue?
I am just trying to keep in perspective all the options at all the price points. I have several parts from DTK and UPD and have run with tunes from a "can" from a common tuner and what i would consider THE tuner. I have been around this car scene for years and I am always amazed that the guys that have some user or opinion induced issue are always the vocal ones.....
AdamT
So what was the issue?
Apparently the "issue" (like how I throw random words in quotes to add a condescending under tone like you did) is that he thinks the quality and fitment is poor. If you are interested in more details from his opinion on the unit he owns, you can probably ask it in about one sentence, without being a dick about it. Good luck with learning how to be social on the internet, I hope I've helped.
Have a good labor day weekend every one!
Super Member
Joined: Sep 2011
Posts: 878
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poop
High boost is great for quick blasts, but for a 30min track session, i would run a stock pulley or maybe an 83mm. cooling is a must, even with stock pulley.
After a few minutes of WOT, the heat from all that boost will slow the car down with retarded timing etc, or break something if to high.
I track frequently, although not the e55 yet. I went with a 83mm btw
After a few minutes of WOT, the heat from all that boost will slow the car down with retarded timing etc, or break something if to high.
I track frequently, although not the e55 yet. I went with a 83mm btw
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From: Indianapolis
2004 E55.98 SS Camaro.Jetta TDI. Expedition
