I am going to upgrade to a TO4R, which wastegate would you rather use and why?

Tial 46mm wastegate

HKS 50mm I believe it is the Racegate

 

which ever one is cheaper. they both should work just fine

 

hks man

 

Cheaper != Better .....
Cheaper == Stuck Open / Closed Wastegate....

Go with what the manufacturer of the kit / mechanic reccomended... they have experience and know what works for the amount of exaust you'll generate, this would also depend on your porting I would immagine....

 

The lower the boost you want to run, the biigger/better the WG you need. Since you have limited it to two WG, I assume you already have both. If so measure the actual opening, I have measured WG before, and they often are differnt than their descriptions. Both are good quality, so assuming you dont need to boost less than ~15 psi either. If you need to keep it lower than that(cannot imagine why), then you may need a larger WG, like an HKS GT.

 

Thanks Carl, I guess I will go with the tial...since I will be running 15psi to start with and up..I will go with the smaller one, also quality of the Tial looks better anyway..

 

I hear both wastegates are really good actually. Are you piecing together your own turbo kit? If you are using an HKS manifold then the HKS wastegate will bolt directly on. I hear the HKS racing is good (it's what comes on their t04r kits).