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Need 40 psi pressure relief valve....

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Need 40 psi pressure relief valve....

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Old 05-30-2010, 07:40 AM
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Default Need 40 psi pressure relief valve....

for the raw water system on my HP 525EFI. I can only find valves that adjust up to 25 psi. I want to run closer to 40 since that is what these engines like. Does anyone know where I can get one?
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Old 05-30-2010, 07:54 AM
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25 is way more than you need your fine at 25 on a closed system theres no problem with hot spots cause you have water always in the block thats the only reason to run higher pressure is on a open system
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Old 05-30-2010, 09:04 AM
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Originally Posted by JIMKID Motorsports View Post
25 is way more than you need your fine at 25 on a closed system theres no problem with hot spots cause you have water always in the block thats the only reason to run higher pressure is on a open system
Everyone running 525 or 600 Blue motors keep telling me otherwise. They all seem to be running around 40 psi.
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