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Pcv issues?!?!?

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Pcv issues?!?!?

Post by quadcammer5.0 on 2/15/2012, 5:40 pm

Well I finally tracked it down... Under boost the oil dipstick is popping out forcing oil to reflect onto the left valve cover..... Really been bugging me.. Any ideas?
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Re: Pcv issues?!?!?

Post by quadcammer5.0 on 2/15/2012, 5:40 pm

Ooh ops wrong log in... This is tha skinny
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Re: Pcv issues?!?!?

Post by 07Shelby500 on 2/15/2012, 8:24 pm

Sounds like your pressurizing the crankcase. Which means your forcing air past the rings.

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/15/2012, 8:31 pm

That's exciting!!!...lol been wanting to rebuild soon anyways... Blah

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Re: Pcv issues?!?!?

Post by 07Shelby500 on 2/15/2012, 9:55 pm

How much boost are you making? And I'm assuming stock lower end?

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Re: Pcv issues?!?!?

Post by Ragtop 500 on 2/15/2012, 9:56 pm

Something like a catch can / crankcase vent setup is effective and cheap. You can make one it you really wanted to. This is a very common problem with boosted or high CR engines and there are myriad products out there. Just google catch can and it should get you going in the right direction.

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Re: Pcv issues?!?!?

Post by Shelby10' on 2/15/2012, 10:15 pm

I have the black Anodized JLT catch can for the passenger side.

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/15/2012, 10:51 pm

I'm currently venting my passenger valve cover to atmosphere via hose... Maybe I'm confused what I should actually be venting... Dunno
I'm seeing 9lbs On my gauge. Before I tuned it I was seeing 6lb all day. All I did was turny initial timing down to 9 deg and gap my autolite 24's between 23-25. Car woke up after I did so.. Been debating on turning up the timimg but don't want to do so until i resolve the issue.
Thanks for the help guys... Keep the idea coming!!

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/15/2012, 10:52 pm

Also the low timing may be killing my gas mileage.. But not really sure..

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Re: Pcv issues?!?!?

Post by Ragtop 500 on 2/15/2012, 11:22 pm

Here is an example of the old school way to deal with it. http://www.fordmuscleforums.com/engine-articles/489294-crank-case-evacuation.html

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/15/2012, 11:33 pm

So running the evac lines will basically pull the blow by through the exhaust?? Guess I'm kinda confused... Sorry it's been a long day.

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Re: Pcv issues?!?!?

Post by 07Shelby500 on 2/16/2012, 4:39 am

After thinking about this I believe if you still have the vacuum line running from the T-body to the passenger valve cover as well as the line from the back of the intake to the PCV valve you may be forcing air into the crankcase under boost. I'd remove the line from the T-Body and cap off the tube in the filler neck of the valve cover. I think you can replace the PCV valve with one from an older thunderbird turbo coupe. They were made to close under boost. Also use a breather in place of the oil cap if u haven't done so already. Hope that helps.

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Re: Pcv issues?!?!?

Post by 07Shelby500 on 2/16/2012, 4:45 am

Might look into these too.

http://www.usplastic.com/mobile/item.aspx?itemid=23369&clickid=redirect

Check valves that will keep boost out from the PCV line but allow vacuum through.

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/16/2012, 12:05 pm

Hmmm I do just have a piece of hose running from the oil fill neck(nipple the is of to the side) running down to the ground... I will check into the pcv valve from the tb coupe.. Thanks

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/16/2012, 1:39 pm

Well got the thunderbird valve.. All it's doing it making the blow off valve kick easier... Lol still having the blow by out of the dipstick... Balllllls

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Re: Pcv issues?!?!?

Post by 07Shelby500 on 2/16/2012, 1:46 pm

Hmmmm. Well, try plugging the PCV line just for shits and grins. See if it still does it. If so it's probably getting past the rings.

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/16/2012, 2:32 pm

Polluted it the pcv gromet and looked in the hole and found no screen???? So this could be a huge problem I'm guessing???

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/16/2012, 3:29 pm

Problem solved.. Now when I change my clutch I will be putting in a rear main seal it looks like... You can change it with the trams off correct?

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Re: Pcv issues?!?!?

Post by lehcar on 2/16/2012, 7:59 pm

Yes, you have to pull the flywheel and it's right there.

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Re: Pcv issues?!?!?

Post by 07Shelby500 on 2/16/2012, 8:46 pm

Good deal! And yep. Trans out flywheel off it's right there.

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Re: Pcv issues?!?!?

Post by Shelby10' on 2/16/2012, 10:26 pm

Glad you found the issue

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/17/2012, 12:07 am

Yeah man me 2, just sucks I feel it caused me a rear main seal!?!?! Balllls

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Re: Pcv issues?!?!?

Post by Shelby10' on 2/17/2012, 12:11 am

Got to pay to play!

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Re: Pcv issues?!?!?

Post by Tha Skinny on 2/17/2012, 12:38 am

Lololol... I know right, but I think it will all be well worth the blood sweat and tears... Well no tears but you know..haha

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