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#1 |
Registered Member
Join Date: Feb 2004
Location: fayetteville nc
Posts: 6
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![]() I just finished putting the new motor in and now its sucking alot of oil in through pcv, its always sucked a little but now its so bad I leave a smoke trail behind me.
Yes the intake has the baffle on it and yes the pcv has the screen I've replaced the pcv installed a fuel filter in line but oil just goes right through it any ideas???
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Rob 91GT black on black 5spd new production short block, cane 2031cam, 1.7 rr, home ported stock heads, edel. performer intake, 65mm tb, 76mm mas, BBK long tubes o/h pipe dynomax cat back |
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#2 |
Registered Member
Join Date: May 2001
Location: westerville, OH USA
Posts: 618
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![]() I'm not sure, but I'd probably get pissed and brake something.
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1990 Notchback: BBK Ceramic Coated Full length headers, Dr. Gas 3"- 2 1/2" x-pipe, Flowmaster 40's/turndowns. |
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#3 |
Registered Member
Join Date: Feb 2002
Location: Jacksonville, FL
Posts: 706
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![]() Install a in-line breather baffle.(If you are not concerned about emissions)
And if you don't have breathers on your valve covers, consider installing them.
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1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy |
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#4 |
Registered Member
Join Date: Feb 2004
Location: fayetteville nc
Posts: 6
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![]() yea that's what I planned to cap off pcv and install a beather in the vc, but that just a bandaid fix. I prefer to keep my pcv,but not at the cost of a quart ever 100 miles
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Rob 91GT black on black 5spd new production short block, cane 2031cam, 1.7 rr, home ported stock heads, edel. performer intake, 65mm tb, 76mm mas, BBK long tubes o/h pipe dynomax cat back |
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#5 |
Dirk Diggler
Join Date: Feb 1999
Location: SLOATSBURG, NY
Posts: 1,931
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![]() use a motorcraft PVC and if that doesnt fix it then run a inline fuel filter..worked for me
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95 undecided cubes, AFR 185s,undecided cam, undecided intake, and a 150 hit 89 "turbonotch" 2.3T You might want to hold on..i saw this on a cartoon once |
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#6 |
Registered Member
Join Date: Feb 2004
Location: fayetteville nc
Posts: 6
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![]() I've tried that didn't help
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Rob 91GT black on black 5spd new production short block, cane 2031cam, 1.7 rr, home ported stock heads, edel. performer intake, 65mm tb, 76mm mas, BBK long tubes o/h pipe dynomax cat back |
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#7 |
Registered Member
Join Date: Feb 2003
Location: Oshkosh WI
Posts: 69
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![]() What kind of valve covers are you using? Are you still running the tube from the pass side valve cover to the throttle body? What happens when you take the oil cap off while running do you get the same effect? Have you checked manifold vacum at idle and WOT. Do you get pressure or just vacum? It almost sounds like you have an oil passage blocked somewhere and oil cant return to the pan quick enough. I heard of an FMS A-4 block come directly from Ford with no oil return passages drilled out. OOPS.
Brad
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93 GT 306 DSS, O-Ringed, AFR 185's, Pro Products Intakes, 55lb low imp inj, 80mm Pro-M meter, 2004 PMS, AFM Power Pipe, Kirban Reg, Vortech S-Trim 14lbs. No times yet. Trying to tune. |
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#8 |
Registered Member
Join Date: Feb 2002
Location: Jacksonville, FL
Posts: 706
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![]() I too have a lot of oil in my upper intake runners. In particular number 5. I think that my pcv letting way too much through and on my GT40 intake, the way the vacuum tree runs underneath the plenum it seems to be pulling in a lot in number 5. In fact , it may be the reason I am fouling number 5. It is wierd that it is bad in just one cylinder, but the vacuum tree position makes it look like something worth checking out.
After checking valve seals, compression, etc, it seems that the oil is too high in the runner (in the upper runner!) to be a problem in the head. I run one moroso breather on the passenger side vc. I also have a Melling high-volume oil pump and my oil pressure is seldom below 60 psi. And yes, I gotta clean the area every month because of oil vapor. I think you are on to something, and I have read that there is a particular motorcraft pcv that should alleviate the problem. I think that is what XLR8R was talking about.
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1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy |
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#9 |
Mustangs
Join Date: Jul 2000
Posts: 1,938
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![]() Something interesting you can try (that i've done on higher mileage cars) is take off the oil cap and rev the engine a little, you can sometimes get an idea of how much blowby your getting by seeing it coming out the oil filler.
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2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem ![]() 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 ![]() 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock) |
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#10 |
Registered Member
Join Date: Feb 2002
Location: Jacksonville, FL
Posts: 706
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![]() I actually put three feet of 3/8" vacuum hose between my pcv and the upper intake manifold vacuuum tree. About 8 inches before the manifold connection, I put a clear fuel filter with a paper element in it.
Holy *****. I couldn't believe how much oil is getting by in vapor form. I cleaned out my upper intake manifold which was filthy. Only bad thing is, I'm still fouling number 5. Did ANOTHER dry compression test 5-108 PSI 6-108 7-112 8-118 these were off of it cold. I still have no smoke ever. Anyway, I am convinced that it is a blown head gasket or bad oil control ring on number 5. I just have to figure out three days that I can take my car out of service to tear it down. Then, might as well make a 331 out of it right?
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1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy |
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