Oil Bypass Valve
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Joined: Aug 2006
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From: Warner Robins
Car: 78 Z28,91 Rs,99 formula(dont tell)
Engine: 350,3.1,LS1
Oil Bypass Valve
Does anyone know any thing about a oil bypass valve that goes in the oil filter housing on a 91 3.1 RS? What does it do? Do you need it installed?
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Joined: Jan 2000
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
It lets unfiltered oil bypass the filter if the pressure drop in the filter is too high, like if it was badly clogged. If you leave it out, you'll have unfiltered oil circulating through your engine all the time.
Thread Starter
Junior Member
Joined: Aug 2006
Posts: 8
Likes: 0
From: Warner Robins
Car: 78 Z28,91 Rs,99 formula(dont tell)
Engine: 350,3.1,LS1
it fell out during the last oil change, but i got a replacement, any tips on installing it? does it use a screen to filter or what? thanks
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