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> CT15 Wastegate Settings
post Dec 29, 2017 - 8:25 AM
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HardHead93

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I just got my CT Sweet 16 turbo upgrade back from ATS racing. It is a CT15b turbo from the Gen 4 3sgte with an upgraded billet wheel.
CT SWEET 16-2
CT SWEET 16-3
CT SWEET 16-1
I got the billet wastegate upgrade and had them send me a few different size springs. I have the option of using a 7 psi, 10 psi, or 12 psi spring. The 7 psi one is definitely out because I am running close to 90% duty cycle on my boost controller with that size of spring to get close to my desired boost level of 17 psi. Also depending on my flex fuel tune I may be able to run a couple more psi on e85. Should I use the 10 psi or the 12 psi spring? Why?

This post has been edited by HardHead93: Dec 29, 2017 - 8:27 AM
 
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post Jan 1, 2018 - 7:54 PM
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HardHead93

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So I installed my CT SWEET 16 last night with the 12 psi wastegate spring and I think I preloaded the wastegate wrong because it is only running at 7 psi. DOH! I guess I will need to go back in there and add more preload to the wastegate.

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