oil catch can

[cto424]

hey does anyone with a greddy kit have a oil catch can? and if so where did you guys mount it? thanks.

[honda06si]

i have an oil catch can. but i dont have the greddy kit. i mounted mine behind the bumper on the passenger side like below the windsheild washer resivior

[Street2uned]

Originally Posted by honda06si

i have an oil catch can. but i dont have the greddy kit. i mounted mine behind the bumper on the passenger side like below the windsheild washer resivior

You don't have any pics of that do ya? I've been looking at places to put one and haven't found a location that makes it still look clean in the engine bay. These engine bays are too damn cluttered.

[honda06si]

i do have a pic, but im at work so i cant get it

[GlxyGry06Si]

y would you use a catch can without boost. ive only ever seen them on boosted cars?

[blueroadster]

If you have a smaller battery, you could install the catch can in the area that use to be taken up by the stock battery size.

[honda06si]

[06civictx]

Originally Posted by GlxyGry06Si

y would you use a catch can without boost. ive only ever seen them on boosted cars?

exactly,they only good for all motor or fi applications

[blueroadster]

Originally Posted by 06civictx

exactly,they only good for all motor or fi applications

If you don't have FI, isn't it considered all motor? An oil catch can is good for N/A as well.

[06civictx]

Originally Posted by blueroadster

If you don't have FI, isn't it considered all motor? An oil catch can is good for N/A as well.

lol yes,i meant to say was if you have a built motor,its also good for that

[blueroadster]

It's also good to add if you have a stock motor.

[twistedframe]

Originally Posted by blueroadster

It's also good to add if you have a stock motor.

Its not gonna hurt anything and it does work better than what comes stock (PCV recirculated), so if you have the money why not?

[mitsukaiSI]

can you guys explaine to me exactly what the purpose of the catch can is on a N/A setup
. . . does it just relieve crank case preasure?

[twistedframe]

Originally Posted by mitsukaiSI

can you guys explaine to me exactly what the purpose of the catch can is on a N/A setup
. . . does it just relieve crank case preasure?

its does release pressure to an extent, but it also prevent crankcase gases from getting recirculated into the intake.

[mitsukaiSI]

and how does it do that i mean does the catch can have a valve that releases preasure? or is the preasuer a constnat so adding more room drops preasure by the same amount everytime the car is running

[cto424]

thanks for the replies....the smaller battery idea would work....my friend relocated the battery to the trunk for me...will post pics if anyone wants to see...engine bay has some open space now finally....oh and dynoed the car and got 251whp and 186wtq untuned

[blueroadster]

Originally Posted by twistedframe

its does release pressure to an extent, but it also prevent crankcase gases from getting recirculated into the intake.

Your response was not entirely correct. The function of the PCV system is to vent crankcase pressure back into the intake. If you put an oil catch can inline then it will filter the crankcase gunk rather than dumping it right back into the intake manifold. For our cars, you want to use a sealed catch can (preferrably baffled) since the air going through the system has been metered by the MAF sensor. If we did not have a MAF, then it would be okay to use a vented oil catch can.

[blueroadster]

Originally Posted by mitsukaiSI

and how does it do that i mean does the catch can have a valve that releases preasure? or is the preasuer a constnat so adding more room drops preasure by the same amount everytime the car is running

When the engine is under vacuum, air is sucked in via the intake manifold. To the left of the intake manifold is a hose that runs to the PCV. The vacuum from the intake manifold sucks in crankcase gasses through the PCV. A PCV is basically a one way check valve but does not entirely seal. When the intake manifold sees positive pressure (i.e., when using forced induction), it will blow air out and against the PCV. As mentioned, the PCV does not entirely seal so in a boosted application, you want to use a check valve to prevent blowing air into and pressurizing the crankcase. With that being said, under boost the normal crankcase vent (i.e., PCV) will not function. You'll have to find another solution for that which is more tricky in our car since all of the incoming air is metered.

[blueroadster]

Originally Posted by cto424

thanks for the replies....the smaller battery idea would work....my friend relocated the battery to the trunk for me...will post pics if anyone wants to see...engine bay has some open space now finally....oh and dynoed the car and got 251whp and 186wtq untuned

I hope that you are using a sealed battery. Post PICs when you have a chance (everyone likes to see those). What have you done to the car?

[sheek360]

Originally Posted by blueroadster

If you don't have FI, isn't it considered all motor? An oil catch can is good for N/A as well.

if ur cars engine is sucking in air, then its definately a must have. u can go 2 pep boys n get a husky air water seperater, or buy a nice one. i empty about 1 ounce - 2 ounces everytime i change my oil. thats 1 or 2 ounces that my engine didnt ingest. we got one mounted on my bros all motor B, and he actually has to check it once a week!