new head = oil leak

SVT3183

Member

Mar 30, 2005

180

0

16

S Jersey

Nov 18, 2007

#1

• Nov 18, 2007

• #1

i had AFRs put on a few weeks ago and have driven a couple of hundred miles since install. i noticed some oil on the ground and threw it up on a lift and can see the oil coming from the back of the heads so my seal is no good. i used the AFR recommended gaskets (fel pro 1011's). i used ARP head studs so i dont think they're the problem. i'm not sure what they were torque'd to but AFR recommends 65-70 #'s. what do you guys torque to? is it normal to have to retorque the bolts with aluminum heads?

 

Stanger007

Founding Member

Sep 26, 2001

2,015

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46

Baton Rouge, LA

Nov 18, 2007

#2

• Nov 18, 2007

• #2

Leaking from the back of the intake?

Wes

 

final5-0

Mustang Master

Apr 6, 2003

6,817

12

79

DFW Texas

Nov 18, 2007

#3

• Nov 18, 2007

• #3

Stanger007 said:

Leaking from the back of the intake?

Wes

Click to expand...

That would be the first place I'd look as well

Get you a strong flashlight and a small mirror for a close look

Grady

 

5spd GT

"the 5.0 owns all"

Founding Member

Aug 7, 2002

9,516

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99

Arkansas

Nov 18, 2007

#4

• Nov 18, 2007

• #4

Yeah, I am actually doubting that it is coming from the heads.

Make sure you have pcv grommet/screen/valve in the back of the intake, as well as the lower intake seal to the block.

Good Luck!

Your torque values, gasket, and heads are not the issue if I was to guess.

Edit: Yes, the valvecovers are another possibility for sure!

 

MrClean302

Founding Member

Mar 4, 2002

226

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17

Ontario, Canada

Nov 18, 2007

#5

• Nov 18, 2007

• #5

If it's coming from the back of your heads it's most likely your valve cover gaskets.

 

go-stang5.0

New Member

Jan 27, 2003

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Glenview,Il

Nov 19, 2007

#6

• Nov 19, 2007

• #6

If you were leaking oil from the head gaskets trust me you would have other signs besides the oil leak. I would say back of the intake manifold also, but the VC gasket is also another good posibility. Did you retorque the intake manifold after a few heat cycles? You might be able to stop the leak by rechecking/retorquing those..that is if its coming from the back of the manifold.

 

PUNISHER RACING

Active Member

Aug 27, 2007

1,124

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36

FORD CITY, PA.

Nov 19, 2007

#7

• Nov 19, 2007

• #7

intake or valve cover gaskets

 

fkurls1

Member

Jun 19, 2006

33

0

6

Barrington, Il

Nov 22, 2007

#8

• Nov 22, 2007

• #8

did you use silicone or those cork strips on the front and back of the intake manifold? if you used cork, thats probably your problem