Does this sound rite? (PCV System)

Mopar1 · 10-03-2002, 12:36 PM

Scott- leave the PCV valve in the lower intake. Leave a few inches of hose coming off the PCV valve. Go run down to your local auto parts store and pick up a breather that will fit into the hose coming off your PCV valve (there's like a ton of different looking ones, I got one that pushes into the hose and has some fiber element in the end of it, cost like 2 bucks). But yes, block off all the other nipples. Then put a breather on the passenger valve cover. I went a step ahead and drilled a hole into the driver's side valve cover, then JB-welded a 1/2 inch thick by 4 inches tall pipe (found in plumbing dept at Home Depot) on there and ran a vacume line from that pipe to the nipple on the passenger side valve cover.

Is it workable?

LX XLR8R · 10-03-2002, 12:46 PM

what are you trying to do?

Mopar1 · 10-03-2002, 01:20 PM

They are try to prevent oil from being sucked into the intake.

LX XLR8R · 10-03-2002, 02:04 PM

i used a inline fuel filter between the pvc and the intake..it kept most the oil in there..just dria it once in a while..also make sure you are using a stock style oil pump,..high pressure/high volume wil;l create such problems

PKRWUD · 10-03-2002, 06:58 PM

Scott-
Bad plan. It was really pretty stupid. Why leave the PCV valve in at all if the PCV system is inoperative? The path is supposed to exit at the PCV because it was then routed to manifold vacuum, not enter there.

Hook it up the way it's supposed to be, and go find an oil separator from a Ford 2.3L, and install it where the PCv goes, and install the PCV in the hose going from the separator to manifold vacuum.

Don't follow a map that was drawn by one of the seven dwarfs. they never did understand automotive systems.

Take care,
~Chris

87gt17815 · 10-03-2002, 07:13 PM

I have seen quite a few race cars with a piece of hose off the PCV valve and put a small filter on it. But remember these cars are not street cars and get a motor rebuilt often. In a new motor their is very little crankcase pressure and theirfore would be a loss of power to suck all the hot air in the motor from the crankcase, No oil would be entering the intake at all probobly. The guys that do run a PCV valve use it as a cheap vacuum pump. This aids the motors ring seal, personally i don't think that it would be enough to see a difference but that is what a couple racers sid to me.

PKRWUD · 10-03-2002, 07:34 PM

That makes no sense. First off, he couldn't have any oil in the intake because you have eliminated the only hose that goes there from the crankcase.

You also have eliminated the source that draws the air through the crankcase to clear out the blow-by gasses that every single engine ever built has every single time it is running.

Further more, the PCV valve is designed to have internal air exit through it. What's the little filter for, protecting the atmosphere? Besides, without a vacuum source for the PCV system, the line and valve will clog quickly.

Also, FYI, the air from the crankcase has more power potential that the air in the engine compartment. The blow-by gasses are flammable.

Anyway, who cares.

Nevermind.

C-ya

Mopar1 · 10-03-2002, 09:32 PM

I thought it sounded strange. Thanks for clearing it up P. Oh test drove a 2003 Dak R/T. Trying to convince the old lady to buy it. She wouldnt go for the other one I picked out. '71 scamp with a stroked 360 (408 ). Damm women anyway...lol

10-03-2002, 12:36 PM	#1
Mopar1 Registered Member Join Date: Mar 2002 Location: Lakewood, Wa Posts: 161	Does this sound rite? (PCV System) Scott- leave the PCV valve in the lower intake. Leave a few inches of hose coming off the PCV valve. Go run down to your local auto parts store and pick up a breather that will fit into the hose coming off your PCV valve (there's like a ton of different looking ones, I got one that pushes into the hose and has some fiber element in the end of it, cost like 2 bucks). But yes, block off all the other nipples. Then put a breather on the passenger valve cover. I went a step ahead and drilled a hole into the driver's side valve cover, then JB-welded a 1/2 inch thick by 4 inches tall pipe (found in plumbing dept at Home Depot) on there and ran a vacume line from that pipe to the nipple on the passenger side valve cover. Is it workable? __________________ '77 Aspen R/T: 318 w/273 heads, 4spd, Hurst Shifter, 600 holley, edelbrock intake, 8 3/4 axle, 3.23 sure-grip, dual 3" exhaust, MP cam 276 / 276 duration 490 / 490 mech solid lifter, Super Stock Springs (15.65@88 3900lbs) '91 Mustang LX: .030 Bored, Typhoon Intake, 4.10's, Lentech VB, BBK 70mm TB, FMS A/C elim bracket, 19lbs inject, off road H-pipe, 75mm pro-m MAF, FRP unequal shorty, stormin normin hood. 3420 Lbs w/ 220 (me) and 13 gal gas. '02 SS Camaro

10-03-2002, 12:46 PM	#2
LX XLR8R Dirk Diggler Join Date: Feb 1999 Location: SLOATSBURG, NY Posts: 1,931	what are you trying to do? __________________ 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

10-03-2002, 01:20 PM	#3
Mopar1 Registered Member Join Date: Mar 2002 Location: Lakewood, Wa Posts: 161	They are try to prevent oil from being sucked into the intake. __________________ '77 Aspen R/T: 318 w/273 heads, 4spd, Hurst Shifter, 600 holley, edelbrock intake, 8 3/4 axle, 3.23 sure-grip, dual 3" exhaust, MP cam 276 / 276 duration 490 / 490 mech solid lifter, Super Stock Springs (15.65@88 3900lbs) '91 Mustang LX: .030 Bored, Typhoon Intake, 4.10's, Lentech VB, BBK 70mm TB, FMS A/C elim bracket, 19lbs inject, off road H-pipe, 75mm pro-m MAF, FRP unequal shorty, stormin normin hood. 3420 Lbs w/ 220 (me) and 13 gal gas. '02 SS Camaro

10-03-2002, 02:04 PM	#4
LX XLR8R Dirk Diggler Join Date: Feb 1999 Location: SLOATSBURG, NY Posts: 1,931	i used a inline fuel filter between the pvc and the intake..it kept most the oil in there..just dria it once in a while..also make sure you are using a stock style oil pump,..high pressure/high volume wil;l create such problems __________________ 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

10-03-2002, 06:58 PM	#5
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	Scott- Bad plan. It was really pretty stupid. Why leave the PCV valve in at all if the PCV system is inoperative? The path is supposed to exit at the PCV because it was then routed to manifold vacuum, not enter there. Hook it up the way it's supposed to be, and go find an oil separator from a Ford 2.3L, and install it where the PCv goes, and install the PCV in the hose going from the separator to manifold vacuum. Don't follow a map that was drawn by one of the seven dwarfs. they never did understand automotive systems. Take care, ~Chris __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!

10-03-2002, 07:13 PM	#6
87gt17815 Registered Member Join Date: Aug 2002 Location: Bloomsburg,PA Posts: 34	I have seen quite a few race cars with a piece of hose off the PCV valve and put a small filter on it. But remember these cars are not street cars and get a motor rebuilt often. In a new motor their is very little crankcase pressure and theirfore would be a loss of power to suck all the hot air in the motor from the crankcase, No oil would be entering the intake at all probobly. The guys that do run a PCV valve use it as a cheap vacuum pump. This aids the motors ring seal, personally i don't think that it would be enough to see a difference but that is what a couple racers sid to me.

10-03-2002, 07:34 PM	#7
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	That makes no sense. First off, he couldn't have any oil in the intake because you have eliminated the only hose that goes there from the crankcase. You also have eliminated the source that draws the air through the crankcase to clear out the blow-by gasses that every single engine ever built has every single time it is running. Further more, the PCV valve is designed to have internal air exit through it. What's the little filter for, protecting the atmosphere? Besides, without a vacuum source for the PCV system, the line and valve will clog quickly. Also, FYI, the air from the crankcase has more power potential that the air in the engine compartment. The blow-by gasses are flammable. Anyway, who cares. Nevermind. C-ya __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!

10-03-2002, 09:32 PM	#8
Mopar1 Registered Member Join Date: Mar 2002 Location: Lakewood, Wa Posts: 161	I thought it sounded strange. Thanks for clearing it up P. Oh test drove a 2003 Dak R/T. Trying to convince the old lady to buy it. She wouldnt go for the other one I picked out. '71 scamp with a stroked 360 (408 ). Damm women anyway...lol __________________ '77 Aspen R/T: 318 w/273 heads, 4spd, Hurst Shifter, 600 holley, edelbrock intake, 8 3/4 axle, 3.23 sure-grip, dual 3" exhaust, MP cam 276 / 276 duration 490 / 490 mech solid lifter, Super Stock Springs (15.65@88 3900lbs) '91 Mustang LX: .030 Bored, Typhoon Intake, 4.10's, Lentech VB, BBK 70mm TB, FMS A/C elim bracket, 19lbs inject, off road H-pipe, 75mm pro-m MAF, FRP unequal shorty, stormin normin hood. 3420 Lbs w/ 220 (me) and 13 gal gas. '02 SS Camaro

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