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Discussion Starter #1
how do you increase the line preasure in a C5 and what are the results.Getting ready to tare it down
 

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Discussion Starter #2
what thickness shim is needed to reach around 200psi line preasure?Or are there different springs?
 

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There are different springs and there are 2 springs in the pressure valve(1 inner and 1 outer). I use to use the B&M Trans Pack 3 stage shift kit(around $50) with great success using both the stiffer springs provided. I'm sure there are other kits that work just as well but the increased pressure will make shifting quicker and have more pressure against the clutches when the pistons are applied.
 
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