Volvo RWD 700 Forum

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green book info needed 700

Anyone know (or can find out) any figures (or methods) for measuring back presure in a turbo exhaust...

I need to check if i have a partially blocked CAT...

I have measured presure before the cat, and before the resonator and have the following figures...

idle : 0 psi
2500 rpm stationary : 0 psi
4500 rpm 8lbs boost : pre cat 4-5psi, pre resonator 1-2psi







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