roe blowing oil

[pirateman]

has anyone experienced blowing the dipstick out, even with a catch can?

 

[AWDisuzu]

do you have your catch can improperly installed like many people on here do?

 

[pirateman]

I have the nipples on both valve covers t'd into one line going to the can

 

[1000hpOdyssey]

I have the nipples on both valve covers t'd into one line going to the can

That is also how mine is. No dipstick problem, but it does do a lot of huffing through the breather.

 

[Black1]

Ra Roe....

Pardon the pun, but I couldn't help myself.

 

[TNVIPER]

I do not have a catch can and I have not had any oil blowing problems..

 

[mopower1958]

Make sure that both lines are not restricted.

 

[pirateman]

do you have a breather oil cap or the stock one?

 

[TNVIPER]

do you have a breather oil cap or the stock one?

Not sure who you are directing your question at but I have the breather cap supplied by Roe..

 

[6pakattack]

Hmmmmmm,can someone say Rings possibly ??????:dontknow: Used to be a tell tale sign,can't say for sure on the Newstuff !!!:dontknow: :dontknow: :dontknow:

 

[Stanimal]

enough blow by to throw the dipstick out is not a good sign at all. do a compression test asap to be sure. a little is expected with fi, but that much is way too excessive

 

[AWDisuzu]

then yes, you have it improperly connected. you have no crankcase vacuum anymore.

I have the nipples on both valve covers t'd into one line going to the can

 

[FSTJACK]

With a situation whereby the dip stick is being blown out with an aftermarket breather system in place, probably indicates that a leak down test is in order.

The ability of the rings to control the combustion gasses is in doubt.

 

[Marc T]

then yes, you have it improperly connected. you have no crankcase vacuum anymore.

This is how mine is installed and I have plenty of Vacuum as per the Guage. Does the guage measure crankase Vac or intake vac?

If it's crankcase vacuum I have plenty with this settup.

 

[sleeper]

I saw a silver RC with a paxton in Bakersfield last year blow his dip stick out. I think his name is Stewart. He a So Cal guy.

 

[AWDisuzu]

the vacuum gauge measures intake vacuum, not crankcase vacuum. I've stated this 100000 times on here, you HAVE to leave the pcv hose hooked up - this is where intake manifold vacuum is introduced to the crank case during idle/cruise.

there is a second hose from the intake (air cleaner box) to the breather also and this hose provides crankcase suction during WOT.

with a catch can, the only hose you change is the pvc valve hose. you do not connect both breathers with a t fitting. you simply install the catch can in between the breather and the pcv valve. the reason is you do not want boost pressure to get to your catch can.

the stock pcv valve is not designed for boost, and will leak like crazy if you run boost. this will pressureize the crankcase and blow out your dipstick and probably blow every oil seal in the motor.

The correct way to set it up is to use a more powerful one way checkvalve. I found that a standard brake booster hose works great, as it allows vacuum through but not boost.

if anyone would like a nice diagram, I have one that makes the installation of a catch can a snap.

hope this helps!

~Mike~

 

[Kevan]

if anyone would like a nice diagram, I have one that makes the installation of a catch can a snap.

POST IT!!!

(DIY section, maybe?)

 

[Stanimal]

another thing you can do if your leakdown test is good is to buy a late 90's gm electric crankcase vac pump. its relatively cheap, and a breeze to install. it will make a vacuum in the crankcase, and prevent the crankcase from building vacuum.

 

[blackviper]

Can you please post the diagram. Thanks.

 

[Marc T]

Mike,

Please post the Diagram!!

Thanks:rock:

Justin,

Could you elaborate on this also??