-31 actuator
#1
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-31 actuator
hi guys does any one know how to tell if i have a -31 or -34 actuator ? (no markings on the actuator bought it as a -31)i know its uprated but unsure which one it is i can not get my erst to run less than 14psi, or would any one know the "lift" off point of uprated actuators is eg 7psi standard actuator. Thanks ryan.
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And to be clear, the -31 and -34 are just the last two numbers of the Garrett part number. If your actuator does not have any numbers, then it probably is not a Garrett actuator at all. Might be similar though in force/pressure.
The -31 starts to move at around -7psi of pressure with a progressive spring. The -34 will be around 10psi with a linear spring.
The -31 starts to move at around -7psi of pressure with a progressive spring. The -34 will be around 10psi with a linear spring.
#6
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hi stu thanks for your reply. i started off with the amal valve connected and tried two ecus one superchip and one standard ran down the road and a massive over boost of 1.5 bar with no ecu boost cut limit on either ecu, so went to plan b tested amal valve and it all seems to be working correcty. thinking that the amal valve was faulty my only route of action was to fit a bleed valve now this time no intervention on boost cut on either ecu and wil not boost under 14psi ? so must be amal vavle i thought. so fitted standart actuator wich is soggy as S**T tried both ecus, WITH amal valve STILL 1.5 bar WTF ?? so checked every thing twice connections wires ect..stil no luck so plan c fit bleed valve and uprated actuator with either ecu and wil not run less than 14psi hmmmm. at this point ive just done a rebuild on the engine and i want to run it it and dont wanna damage the enigne so gone back to standard actuator for the time. wen ran in i intend to purchase a -31 and use the bleed valve as i do not trust the amal set up. i know this is a way round the problem but not the right one, any ideas would be a great help, thanks guys. btw both actuators set up using half hole preload. and tested actuators by connteced to a pressure gauge and compresor to check operation.
Last edited by muttsnutts89; 19-02-2010 at 08:05 PM.
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