PCV rerouting
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PCV rerouting
I have rerouted my PCV hose from the rear of the intake to the vacuum tree on top of the intake. Should it be exactly like what is in this link or will it be ok where I have it?
http://www.fordfuelinjection.com/files/Reroute_PVC.pdf
http://www.fordfuelinjection.com/files/Reroute_PVC.pdf
Lead Driver
Joined: Nov 2002
Posts: 9,555
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From: Concord, NC
I don't see why it would have to be exactly like what is pictured in that link. On my truck I swapped the brake booster and PCV valve vacuum hoses and all is well. I assume you did something similar?
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There was an unused port on the vacuum tree on the top middle of intake. I got a longer hose & attached it to the tree.
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got a question reguarding pcv. 90 ford f150 302. There is a pcv that ran from the back of the upper intake to the passenger valve cover? the valve covers i have dont have a port for the pcv or a hos, only the driver side one does? any suggestions?
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Joined: Feb 2008
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From: Butler, PA
Failure of the rear piston, rod, or rod bearing (cylinders 5 & 8). After
discussing the situation with several installers, the problem has been narrowed
down to the PCV system. This picks up crankcase gasses from above the #8
cylinder and dumps into the back of the intake.
discussing the situation with several installers, the problem has been narrowed
down to the PCV system. This picks up crankcase gasses from above the #8
cylinder and dumps into the back of the intake.
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Joined: Apr 2008
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so how does it fail? just because its picked up from the #8 and dumps back of the intake??? maybe im missing something but i never heard of something like this. how many times has this happen? IT DOESNT FULLY EXPLAIN HOW THE DAMAGE IS CAUSED SO ITS A POOR WRITE UP!
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Lead Driver
Joined: Nov 2002
Posts: 9,555
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From: Concord, NC
The oil vapors change the combustion mixture in the #8 cylinder, which can cause knock (pre-ignition). This leads to holes in the piston, broken rings, failed rod bearings, and burned valves. When the PCV vapors are evenly distributed across all 8 cylinders, the problem is eliminated.
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