North American Turbocoupe Organization



breather cap on top of the valve cover
Keith Pellerito Offline
Senior Member
#1
Had a question in regards to the breather cap on the backside of the valve cover. It has a metal hose that runs down to the turbo, my question is do we really need to have the two attached? I would like to delete it if I could and put a nice looking regular breather up there without the metal bent steel line, can I delete it? Or am I stuck with it? Sorry about the wording, I have been inhaling gumout cleaning out my engine compartment.
thanks
yeah it is fast, just a little slow getting back to the garage!🚓
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Joe F Offline
Posting Freak
#2
I think that's part of the "emission system". Hopefully someone with more knowledge withh chime in. Sorry not to have been more help.

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Be Cool,

Joe

JR's Place - My 87 TC
JR's Place - My '87 Turbocoupe
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Qwertys Offline
Senior Member
#3
that hose reclaims lost fuel vapor and reintroduces it into the intake.
from what i remember...
'85 TC BPV and Ford FMIC
'88 TC Kirban AFPR, Autometer Boost, FP and A/R Gauge, 8.8 to 4.10 rear, Walboro 255lph Fuel pump, Garrett GT3071R T3/T4 Dual Ball bearing Turbo, Custom AWIC.
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Keith Nubel Offline
Posting Freak
#4
I believe Forced4 sells a breather to replace the stock breather. Most of the emmission controls on these cars have very little effect on the performance. A high flow cat and exhaust can help a lot. Personally I would just leave the breather alone.

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85.5 TC 5 speed, Ranger Roller cam, 3" exhaust system, manual boost valve, large VAM, SVO PE computer, front mount Motorsport intercooler & sport grille, ported upper and lower intakes,flow matched injectors, ported E6 manifold, 245/45/17 wheels & Tires,Motorsport 140 mph speedometer,Motorsport lowering springs, Kenwood EZ500 200 watt receiver with Cerwin Vega speakers sound system, air conditioning converted to R134A and Sanden compressor retrofit kit installed, under restoration
1985 TC
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Jeff K Offline
Administrator
#5
That metal / rubber hose sucks in filtered air to replace the air removed from the crank case by the PCV system when intake is under vacuum. Under boost, this hose vents blowby and boost that leaks past the intake valve and their guides to the intake to "reburn" them.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 21 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Keith Pellerito Offline
Senior Member
#6
Jeff and all the rest thanks for responding, so does that mean that I have to keep the metal rubber hose therir so it runs more effecient, emmissions tests are not a point with the car, I am modding it and as far as I can remember, my metal hose had a kink in it for the longest time, I broke it when I was pulling the motor out because of the kink so I am at the point where I either get a new hose or leave it, if I can leave it, I would like to do that, I just want to make sure that it is not going to affect performance. And also, the little black hose that goes to the charcoal box, it goes through the wheelwell and goes into the firewall that way, where exactly does that connect to and is that box important?
yeah it is fast, just a little slow getting back to the garage!🚓
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Jeff K Offline
Administrator
#7
You can just put a breather on the VC, but it may end up blowing some oil out on the VC, and making a mess. If you want to keep the system stock, you could fab up a new metal line (I dont see why copper tubing couldnt be used), or get some high temp silicone hose, and do it all with the hose, being careful to tie the hose up so it isnt too close to the turbo and exh. man.

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Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 21 psi, forced air intercooler, water injection, bypass valve, Ranger roller cam, subframes, etc., etc.. // 86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP nitrous, ignition, gears, suspension, etc., etc.... // 91 Escort: Bone stock winter car // 02 Taurus Vulcan(wifes car)
Jeff Korn

88 Turbo Coupe: Intake and exhaust mods, T3 turbo at 24 psi, forced air IC, water injection, BPV, Ranger cam, subframes, etc., etc.
86 Tbird 5.0 (original owner): intake, exhaust, valvetrain mods, 100 HP N2O, ignition, gears, suspension, etc., etc.
05 Taurus SEL Duratec daily driver
04 Taurus Duratec (wifes car)
02 Pontiac Grand Prix GT
95 Taurus GL Vulcan winter beater
67 Honda 450 Super Sport - completely customized
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Keith Pellerito Offline
Senior Member
#8
THANK YOU!!!!
yeah it is fast, just a little slow getting back to the garage!🚓
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