evening guys my stage 3 saff is only boosting to 14 psi on my boost gauge, any ideas what my plan of attack could be to sort it?

cheers jason

 

Check the Amal valve operation.

Martin

 

it seems to click when i unplug and plug back in but theres a dodgy connection inside i think as if you wiggle the plug a bit it clicks too

 

Hi, checked the amal valve again yesterday and wasn't clicking when ignition switched on so checked for power and ok, bought a brand new amal valve and fitted and thats working as it should. Still low on boost so disconnected the vac hose of the actuator and carefully took it for a spin to check boost and it boosts as it should. I've got half hole preload on the actuator, does this point to a new actuator needed?

 

It can't be the actuator if the car is boosting properly with the amal valve bypassed?

 

Split pipes etc

 

Dump valve leaking boost Jase??
Check waste gate arm for cracks too mate

 

Not sure as I've put quite a lot of preload on the actuator and all boosts as should,

 

would it matter if i put more than half hole preload on it, if i put shorten the arm so theres about a complete hole preload it boost up fine

 

It's not the actuator then.

To be honest that's how i set my boost (pre live map). Have you jetted the amal valve?

 

haven't jetted the amal valve as I've just put a brand new standard one on there, how does one jet it? although think i may jut get it booked in for a set up

 

For that amount of low boost would suggest the amal valve or faulty wiring .

If you are using half hole of preload which most do and you have replaced the amal what kind of actuator are you using ?.If you are using the standard type you need to pressurise it to see if its working.If its after market take it apart and check the diaphragm .My boost dropped in half and the amal was buggered but then the actuator also went.

Could also be the penny I suppose.What does it sound like.Does it boost but feels flat and shit slow or ? ?

Air leak to create a mega drop you should be able to hear as there is something wrong.

 

Its a brand new genuine garrett -31 actuator fitted, been out in it this evening and its boosting to 16-17 psi, I'm sure it used to boost to about 20-22 psi but that was on a normal boost gauge and I've now got an secs type engine monitor fitted which I'm getting the boost reading from