jdmullet Member 16 Member For: 16y 6m 15d Posted 28/08/08 11:05 AM Share Posted 28/08/08 11:05 AM Sup,Just trying to understand what ive read in one of the ford magazines I bought. So at stock the BA 2003 turbo is set at 6psi boost right? but to my understanding it has a actuator which is basically a spring loaded diaphragm/valve which is only capable of holding 2psi boost. So does this mean although the turbo itself is set to 6psi boost its only making 2psi because it cant hold the pressure in for long enough?Sorry if this is a dumb ass question but im 19 and trying to take in as much as I can regarding turbo's and fords in general.Thanks for your time. Link to comment Share on other sites More sharing options...
our06t Mmmmm......BOOST Member 3,135 Member For: 17y 9m 23d Gender: Male Location: central coast Posted 28/08/08 08:51 PM Share Posted 28/08/08 08:51 PM some one else will know more about this ,from my understanding the actuators are rated at the minimum boost they will hold not the max.a lot of the stock ones hol 12 psi after that they tend to have trouble ,from what I've read you need to use an actuator that is close to the minimum boost you want run ,if you want to run 10 to 12 psi get a 8 to 10 psi actuator , Link to comment Share on other sites More sharing options...
ETM Member 1,194 Member For: 17y 11m 7d Gender: Male Location: syd south Posted 28/08/08 11:09 PM Share Posted 28/08/08 11:09 PM what he said ^ Link to comment Share on other sites More sharing options...
104ord Member 391 Member For: 16y 11m 3d Gender: Male Location: north brisbane Posted 29/08/08 01:10 AM Share Posted 29/08/08 01:10 AM does that mean because ive bought a turbo with an actuator upgrade (for my n/a) im gonna have to have to rum 12 lb and above Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 18y 13d Gender: Male Location: SW Sydney Posted 29/08/08 01:39 AM Share Posted 29/08/08 01:39 AM Pretty much, but I think you can run lower by your tuner asking for zero boost duty. Don't quote me, but I'm sure I've seen someone write about it before Link to comment Share on other sites More sharing options...
ETM Member 1,194 Member For: 17y 11m 7d Gender: Male Location: syd south Posted 29/08/08 01:42 AM Share Posted 29/08/08 01:42 AM you cannot run lower boost than what the spring is set as, the lowest possible boost setting can be achieved by bypassing the solenoid and going direct from the compressor cover to the actuator Link to comment Share on other sites More sharing options...
104ord Member 391 Member For: 16y 11m 3d Gender: Male Location: north brisbane Posted 29/08/08 02:40 AM Share Posted 29/08/08 02:40 AM that's how ive got it setup .compressor cover---- boost controller------- wastegate Link to comment Share on other sites More sharing options...
jdmullet Member 16 Member For: 16y 6m 15d Posted 29/08/08 10:46 AM Author Share Posted 29/08/08 10:46 AM So does anyone know the stock boost rating for the actuator? and is it set to 6psi from stock? (factory)Thanks for your input Link to comment Share on other sites More sharing options...
our06t Mmmmm......BOOST Member 3,135 Member For: 17y 9m 23d Gender: Male Location: central coast Posted 29/08/08 11:09 AM Share Posted 29/08/08 11:09 AM as I said mate stock ones will control around 12 _13 psi after that they become hard to control boost properly Link to comment Share on other sites More sharing options...
jazzball Member 16 Member For: 16y 6m 10d Gender: Male Location: syd Posted 30/08/08 10:20 PM Share Posted 30/08/08 10:20 PM if your guna turbo a na engine, u dont want big boost, as your comp is high, and the engine then wont last Link to comment Share on other sites More sharing options...
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