Quote:
Originally Posted by afgmoto1978
I know the Synapse 50mm WG pretty well and how to set it up.
What is the A/R rating on your gt42? What is your peak boost goal, at what psi do you want the wg to open to maximize responsiveness and is it dumped to atmosphere or recirc'd? Also do you have the 60 lbs preload spring and 60 lbs main spring installed? The wastegate by itself is pretty controllable, the boost controller just provides an additional level of response, duty cycle will have to obviously fine tuned.
Adam
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Can't answer any of most of these questions but I will find out. Peak boost will be no more than 18 PSI. It is dumped to atmosphere. Regarding PSI and when it should open, I'd like it to be really drivable and roll into the power if that makes any sense. Don't want it to slam you with uncontrollable power. Finally, I will check on the springs and get back to you. The Greddy unit is easy to install and use but as I recall the Synapse guys said the boost controller had to be hooked up in a particular way for the wastegate to work properly. It's over caution on our part. Any advice you have is appreciated.