Supra N_A Posted August 3, 2012 Share Posted August 3, 2012 just wondering when purchase external wastegate what size should I use? 38? 48? can I use both or whats the difference ? its for the t61 turbo Quote Link to comment Share on other sites More sharing options...
heckler Posted August 3, 2012 Share Posted August 3, 2012 I ran a 44mm Tial wastegate on my TO4z... Quote Link to comment Share on other sites More sharing options...
Supra N_A Posted August 4, 2012 Author Share Posted August 4, 2012 any one Quote Link to comment Share on other sites More sharing options...
Hartmann Posted August 4, 2012 Share Posted August 4, 2012 38mm would be fine mate .. it should hold boost down on an 61mm turbo. but a 44mm/48/50mm works just as well Quote Link to comment Share on other sites More sharing options...
Supra N_A Posted August 4, 2012 Author Share Posted August 4, 2012 so whats the difference like why different mm?? Quote Link to comment Share on other sites More sharing options...
hodge Posted August 4, 2012 Share Posted August 4, 2012 so whats the difference like why different mm?? The bigger the wastegate the better control you have over your boost I.e to iliminate boost creep. I have s 44mm Tial wastegate fitted and a monster GT42-76 turbo. The gate struggles to hold my boost at 1.4 bar. I see a little bit of creep to 1.5 or 1.6 on a nice cool day. Jamie had the same problem with the same gate but found it was fine over 1.7 bar. Personally, if I was you, I'd go for either a larger wastegate or a twin wastegate setup to futureproof the setup. I know you say you want around 500hp BUT you'll quickly get bored with it and want more. You'll say now that you won't, but you will. My last supra was just over 500hp and I got bored with it in about 2 months. Quote Link to comment Share on other sites More sharing options...
Hartmann Posted August 4, 2012 Share Posted August 4, 2012 on the long therm sight i´am with Hodge on this one .. rather to big than to small .. the price is is probably the same more or less Quote Link to comment Share on other sites More sharing options...
Supra N_A Posted August 4, 2012 Author Share Posted August 4, 2012 So 48mm it is.. Cheers Quote Link to comment Share on other sites More sharing options...
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