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09-23-2007, 12:51 PM
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#1 |
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Registered User
Join Date: Jun 2007
Location: Georgetown , TX
Posts: 166
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oil leak
i have an oil leak on my 350, it seems to be coming from between the head and the block but i didnt know oil went through the block like that. it takes it awile to show up after you start it. i have already ruled out the valve cover and the oil pressure line behind the intake. WHAT IS IT!!??? Please help.
p.s. i have already tightend the head
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70 Chevy C-10 short step 250/3 on the tree Owned: 71 longbed Cheyenne 70 swb |
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09-23-2007, 01:31 PM
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#2 |
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Chevy Truck Addict
 
Join Date: Aug 2006
Location: Kelowna, BC
Posts: 1,176
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Re: oil leak
It might be coming from the back of the intake manifold and running down the backside of the head. Either one of 2 places I can think of... the corner of the manifold itself or one of the back bolts which tend to leak also.
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. 1970 Chev C/10 SWB, 355 SBC, 700R4, 3.73 Posi, Air Ride (Click to view Build Thread) (SOLD) 1978 Chevy C/10 SWB 1970 Pontiac Lemans . |
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09-23-2007, 02:59 PM
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#3 | |
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Senior Member
Join Date: Jul 2006
Location: Leander, Texas
Posts: 850
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Re: oil leak
Quote:
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09-26-2007, 09:53 PM
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#4 |
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Registered User
Join Date: Jun 2007
Location: Georgetown , TX
Posts: 166
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Re: oil leak
so there is no way for it to be leaking from the head, cause i have already retighted the bolts.
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70 Chevy C-10 short step 250/3 on the tree Owned: 71 longbed Cheyenne 70 swb |
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09-27-2007, 06:40 AM
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#5 |
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Registered User
Join Date: Feb 2004
Location: Idaho
Posts: 4,034
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Re: oil leak
Not necessarily so, you might have over tightened them on accident.
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"Remember, They can Kill You, but they can't eat You, That's against the law!!!!!!!!!" |
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09-27-2007, 08:28 AM
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#6 |
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Guest
Posts: n/a
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Re: oil leak
You can get a dye to put in the oil to pinpoint exactly where the oil in coming from. You might have to rent a ultraviolet light with enough intensity to see the dye.
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09-27-2007, 08:36 AM
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#7 |
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Registered User
Join Date: Jul 2007
Location: Toronto, On
Posts: 65
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Re: oil leak
It looks like the oil is coming from further up. Intake manifold?
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09-27-2007, 09:19 AM
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#8 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: oil leak
theres an allen head plug partially under the head near where the oilpressure sending line attaches that may have loosened up its doubtfull but still a possibility and would require removing head to check// id go with the intake theory myself
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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09-27-2007, 08:56 PM
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#9 |
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Registered User
Join Date: Jun 2007
Location: Georgetown , TX
Posts: 166
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Re: oil leak
how much pressure is too much on the head bolts, like in ft.lbs?
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70 Chevy C-10 short step 250/3 on the tree Owned: 71 longbed Cheyenne 70 swb |
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