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Tial Large Yellow 10.153 psi Spring-$20 Shipped.


Tial Large Red 11.603 psi Spring-$20 Shipped

 

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how much boost ovr the rated psi will they go to?

 

The springs are rated at what vacuum level they compress at not how much boost you are using. You need to figure out how much vacuum your car pulls at idle and then find a spring to match that.

 

are u talking about tial bov springs??? cuz thoses are the ones that you need to determine ur vacuum when choosing the spring. Wastegate springs have NOTHING to do with vacuum. what ever the spring is rated at, which is listed, will determine how much boost u make at full throttle. nothing more and nothing less then what is rated unless you have a boost controller to increase boost pass the spring rate.

 

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