Block oil bypass vs filter bypass
05-31-2022, 04:17 PM
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Block oil bypass vs filter bypass
Does anyone know the relationship between these 2 bypasses? I mean if you are running a 30lb block bypass valve, will it open before the filter bypass would, or vice versa? Or perhaps it varies significantly based on the filter manufacturer?
05-31-2022, 05:07 PM
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Yup. Many threads. Search for 502 oil system bible by arctucfriends. Touches on everything else not good about the stock oil system. You’ll be vlad (hopefully 
) you did.
) you did.
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05-31-2022, 09:38 PM
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87MirageIntruder (06-01-2022)
06-01-2022, 07:52 AM
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If it is on an MPI motor, the 30 lb bypass valve in the block is likely always open a bit bleeding hot oil into the motor due to the crappy remote oil system they had. I can't believe the oil pressure I gained when I ditched that stock system and put a real oil system on. Went from 32/35 psi HOT WOT to 52/55 psi HOT WOT. Turns out my bearings weren't loose, the oil system was just that terrible.
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06-01-2022, 08:29 AM
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If it is on an MPI motor, the 30 lb bypass valve in the block is likely always open a bit bleeding hot oil into the motor due to the crappy remote oil system they had. I can't believe the oil pressure I gained when I ditched that stock system and put a real oil system on. Went from 32/35 psi HOT WOT to 52/55 psi HOT WOT. Turns out my bearings weren't loose, the oil system was just that terrible.
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Gimme Fuel (06-02-2022)
06-01-2022, 01:12 PM
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Thanks guys for the assistance. I've increased my oil cooler size and went with -10AN hoses and have good oil pressure like you mentioned you experienced.
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Gimme Fuel (06-02-2022)
