I`m lookin to put a new actuator on my S2 ERST.. As my old ones seem to be weakening...

I`m running quite a high spec engine 2.1zvh, T34 hybrid etc etc mapped to hold 24psi.. My question is if i`m going to buy a new actuator is there a certain make i should buy..

 

Probably just sticking with the sealed Garrett type from Burtons, Woodford etc is the best bet...

 

on a t34 i'd go for a -34 garrett actuator !

 

And why is that?



Only use genuine Garrett -31's.

 

I thought that the different types, eg -31, -34 refer to a different spring tensions within the actuator. I’m sure some one will correct me if I’m wrong.

Personally I’m running a -47 actuator on my Escort Cosworth, as this is what suits my engine specification.

Before my engine rebuild/upgrade I replaced my standard actuator with a -31, and worked fine.

Have a look at to what you have installed, as you should see some markings on the actuator, and make a decision from there.

Cheers
John

 

coz im running high boost and kept going through -31's i found the spring too weak. now ive got a -34 fitted its lasted ages.

 

thats correct ! just different spring tensions!