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Discussion Starter #1
My On3 46mm Wastegate came empty (no spring inside). The kit came with 3 springs, and no instructions:

Big Blue spring

Big Red spring

Small Yellow spring.

The blue spring is the largest so which springs equal what Aprox PSI? :confused:

Thank you,
Garret
 

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my instructions say stock around 9psi
yellow spring adds 2psi
red adds 3psi
blue adds 5psi

the are all estimates you will need to test each one to see what it makes on yours.


hope this helps.
 

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My car makes 4.6 psi with just the Yellow spring in the WG. I use an adjustable boost controller to turn it up from there. I think your WG should have come with a black spring in it. If I could find mine I'd send it to you. PM Chad and I am sure he will send you one.
 

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Discussion Starter #5
I called Chad, and i think i will just run the Red spring and use a boost controller if i want more boost.

Thanks guys.
 
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