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Author
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Topic: Oil leaking problem!! Can anyone help?
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Stephen & Horace Johnson
Gearhead Posts: 198
From: Gadsden, AL
Registered: Jul 2002
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posted 06-07-2004 12:48 AM
   
Today I fired up my new bullet today, 331 stroker, Of course it developed an oil leak, and I have checked everything, The oil is leaking between the welds on my Headers right where the tubes are welded into the collector. I have Mac longtube headers. We pulled the plugs out because we thought maybe the guides or the rings were not sealing, but no oil on the plugs...so then we did a compression test, it came up real good, The intake isnt leaking, the valve covers are not leaking also...Does anybody have any ideas what could be goin on.. thanx..------------------
"Stand It Up" Stephen Johnson #2162
"Happy" Horace Johnson #2167
NHRA-IHRA SS/D 427 Ford Fairlane (Ex-Van Cleve)
National Record Holder
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capri man
Gearhead Posts: 6652
From: doerun, ga.
Registered: Nov 2000
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posted 06-07-2004 09:07 AM
ummmmmm, sounds like a weird one!! did you silicone the bottom head bolts? of course i think that would only cause a water leak. just grasping for straws here.
good luck------------------
mike r
racing is real
everything else is just a game.
81 capri-302-7.33 @92mph 1/8
1.54 60 ft. http://www.angelfire.com/ny5/billswebsite/pg06.html
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indyphil
Gearhead Posts: 2516
From: Senoia, G.A. USA
Registered: Jul 2002
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posted 06-07-2004 10:49 AM
Sounds like your saying there is an internal leak thats leaking oil into your exhaust. Perhaps an exhaust valve guide is leaking, the oil is getting into the exhaust ports and running down into the pipes. Perhaps if you took the header off you could see if its just one port thats wet, or all 4 on that bank. Maybe a valve guide is missing a seal or something? Is it a lot of oil? Do you get any blue smoke? Are you using new or rebuilt heads? Did you do any porting work or are they as cast? More questions than answers, but there are not too many places that unburned oil can come from in your exhaust. Phil ------------------
'68 coupe, '66 289 C code
engine, edel 600cfm carb, performer intake, dual exhaust http://www.geocities.com/ottouk_77/68mustang.htm
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Stephen & Horace Johnson
Gearhead Posts: 198
From: Gadsden, AL
Registered: Jul 2002
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posted 06-07-2004 12:31 PM
I put thread sealer on all my head bolts. that would only be a water problem not a oil problem..We were thinking it was a guide or a valve stem seal, but I new seals on the heads, and if was either of the 2 it would show oil on the spark plugs.No oil on the spark plugs We even pulled the x-pipe off the header and looked inside the collector, and you dont see any oil in the collector. The car is smoking but thats because of the oil drippin off the headers...The oil just drips off the header like a slow leaky faucet. I didnt have any port work done to the heads. ------------------
"Stand It Up" Stephen Johnson #2162
"Happy" Horace Johnson #2167
NHRA-IHRA SS/D 427 Ford Fairlane (Ex-Van Cleve)
National Record Holder
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Moneymaker
Administrator Posts: 26513
From: Lyons, IL, USA
Registered: May 99
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posted 06-07-2004 12:47 PM
Check the header bolts for your source of dripping.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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Stephen & Horace Johnson
Gearhead Posts: 198
From: Gadsden, AL
Registered: Jul 2002
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posted 06-08-2004 12:34 AM
Everybody is goin to laugh at me after this one... Oh well...we let the car run for about 15-20mins...and would ya know..it stop leaking ...OMG...dont laugh to hard... Thanx for your help guys...Weirdest thing I have ever seen..------------------
"Stand It Up" Stephen Johnson #2162
"Happy" Horace Johnson #2167
NHRA-IHRA SS/D 427 Ford Fairlane (Ex-Van Cleve)
National Record Holder
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