actuator - numbers and pressures
04-03-2006, 07:55 PM
#2
20K+ Super Poster.
off the top of my head (and probably not very accurate)
std 2-3 psi
-31 7 psi
-34 14psi
thats their opening rate. so if you set them to half hole preload with no bleeding, thats what they'll hit.
obviously you acheive the higher boost by bleeding some air off with an amal/bleed valve
the -3x bit is the last 2 digits of the part number, ie 32432434234-31 (made up number)
std 2-3 psi
-31 7 psi
-34 14psi
thats their opening rate. so if you set them to half hole preload with no bleeding, thats what they'll hit.
obviously you acheive the higher boost by bleeding some air off with an amal/bleed valve
the -3x bit is the last 2 digits of the part number, ie 32432434234-31 (made up number)
04-03-2006, 09:42 PM
#3
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Pretty much as per Jim, although I think std actuators are more like 4 psi base lift off pressure.
The -34 is also a lot 'snappier' in action, the -31 is more progressive. If not using air to air injectors, then some turbo's/setups need the -34 to prevent wastegate creep.
The -34 is also a lot 'snappier' in action, the -31 is more progressive. If not using air to air injectors, then some turbo's/setups need the -34 to prevent wastegate creep.
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