E55 fuelpumpbooster
Thread Starter
Junior Member
Joined: Feb 2016
Posts: 17
Likes: 2
From: stockholm sweden
2003 mercedes E55 amg
E55 fuelpumpbooster
Has anyone tried to install a fuelpumpbooster? my fuelpressure is a bit low since i installed my 550 cc injektors.Ik now kenne bell has a booster for dual pumps,and vortech has one thats not tested for dual pumps.The kenne bell booster is not programable,its just on or off.The vortech is fully programable.Any experiences in this matter? 
MBWorld Fanatic!
Joined: Jul 2014
Posts: 3,309
Likes: 579
2005 e55 AMG
Don't worry so much about fuel pressure. As long as it holds steady and your AFR is exactly where it needs to be your fine. I have a return system and fuel pressure sits at 65 psi and then 75 psi under boost. This is about 25 psi lower than the factory numbers I had but my AFR is spot on for me.
Thread Starter
Junior Member
Joined: Feb 2016
Posts: 17
Likes: 2
From: stockholm sweden
2003 mercedes E55 amg
Its not steady at all...lol I have my stock intercooler deleted and 2 topmounted intercoolers.My boostpressure is a bit higher than with stock intercooler,about 17-18 psi,if i read the boostgauge right while smoking the tires like crazy at high speed anyway...my fuelpressure dropped to about 61 psi under full load,and thats not soo good!61-18=43psi.Havent measured AFR yet,still vinter here.
I have my stock intercooler deleted and 2 topmounted intercoolers.My boostpressure is a bit higher than with stock intercooler,about 17-18 psi,if i read the boostgauge right while smoking the tires like crazy at high speed anyway...my fuelpressure dropped to about 61 psi under full load,and thats not soo good!61-18=43psi.Havent measured AFR yet,still vinter here.
Member
Joined: Mar 2006
Posts: 193
Likes: 7
From: Garwood, NJ
1999 E55, 2005 E55 AMG
[QUOTE=crazyman;6715394]Its not steady at all...lol I have my stock intercooler deleted and 2 topmounted intercoolers.My boostpressure is a bit higher than with stock intercooler,about 17-18 psi,if i read the boostgauge right while smoking the tires like crazy at high speed anyway...my fuelpressure dropped to about 61 psi under full load,and thats not soo good!61-18=43psi.Havent measured AFR yet,still
Pics of intercooler please
I have my stock intercooler deleted and 2 topmounted intercoolers.My boostpressure is a bit higher than with stock intercooler,about 17-18 psi,if i read the boostgauge right while smoking the tires like crazy at high speed anyway...my fuelpressure dropped to about 61 psi under full load,and thats not soo good!61-18=43psi.Havent measured AFR yet,still Pics of intercooler please
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