Wastegate size
#1
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Wastegate size
I building a TII for my 1st gen. I have a T04 manifold with a tial wastegate flange.. the previous manifold owner had a tial 38mm installed on it.. will a 38mm tial work good with a gt35r? I don't have the gate so i need to buy one this week.. thanks
#2
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Originally Posted by gonzz
I building a TII for my 1st gen. I have a T04 manifold with a tial wastegate flange.. the previous manifold owner had a tial 38mm installed on it.. will a 38mm tial work good with a gt35r? I don't have the gate so i need to buy one this week.. thanks
#4
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Bigger wastegate is needed for lower boost while a smaller wastegate is needed for higher boost. Well You dont need a smaller wastegate for higher boost. You just dont need to bypass as much exhaust at higher boost levels.
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a 38mm is usually ok on stock ports at around 12 psi on a medium sized turbo. it mattes how well the wastegate is positioned on the manifold and how you are plumbing it tback into the exhaust if it is at all plumbed in. and the size of the exhaust matters as well.
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