Hi. Im currently buying some parts for my singlebuild.
So far ive got these:

Masterpower T61 turbo ar .84
Rx7store divided manifold
550cc primary
3" DP and decatpipe
Apexi pfc and avc-r
supra fuelpump
upgraded ic and ignition
Planing on buying bosch 1680cc injectors

But im wondering what brand and size wastegate and spring i should buy?
Dont know how much hp/boost ill be running as that will be for the mapper to decide.

 

If you have already purchased the RX7 store manifold you should probably buy a wastegate that matches it (I believe that manifold is designed for a 44mm tial).

With respect to the spring rate, that kinda depends on your target boost, I believe the old saying is the boost controller shouldnt be taking the boost more than 3x the spring rate.

For reference I personally run 1.1 bar of boost on a 0.75 bar spring using a boost controller to raise it up.

 

Tial 44mm
Synapse 50mm
JGS 44mm

All are quality and all use the same Vband flange size. The Synapse unit uses a 4 port configuration allowing to run higher boost on the same spring. Using an ebc will allow you to have more flexibilty with the spring rate.

 

thnx alot..
will be running a avc-r controller

 

please let me know how that masterpower turbo holds up and handles the boost, i bought one before and never go to use it. heard they are good buy for the buck

tial 44mm

 

Ill try to remember to get back on that, Car wont be mapped untill summer.

Ill try to find a tial wg