Whats the different between 172mm and 180mm pulleys
e55 pulleys
the bigger it is, the quicker you get overheating issues you then have to cope somehow ... except you need it only for a one fourth mile run or you live in a very cold area
you can find a lot on this subject by using the search function. you will also find a naive table showing a supposed relation between pulley dia and HP increase
about two years ago the question was deeply discussed and the consensus, at that time, was for a pulley close to 170mm as the best option .
...today it's moving forward
btw,
you can find a lot on this subject by using the search function. you will also find a naive table showing a supposed relation between pulley dia and HP increase

about two years ago the question was deeply discussed and the consensus, at that time, was for a pulley close to 170mm as the best option .
...today it's moving forward
btw,
e55 amg
i have recently tuned it, it is better showing max 582hp on dyno.but now @ times it goes in to a limp mode for a couple of secs when i set off & then powers up & then @ times it doesnt power up @ all untill i release the gas & power up slow.i know its not the ESP becouse that normally flashes, dionostics have been checked no foults shown.is it possibly over boosting.thanks
Last edited by has123; Apr 7, 2010 at 03:33 PM.
i have recently tuned it, it is better showing max 582hp on dyno.but now @ times it goes in to a limp mode for a couple of secs when i set off & then powers up & then @ times it doesnt power up @ all untill i release the gas & power up slow.i know its not the ESP becouse that normally flashes, dionostics have been checked no foults shown.is it possibly over boosting.thanks







