AAAARRRRGGHH!!!!!!!please help!!!!
Tuned
Joined: Apr 2001
Posts: 443
Likes: 1
From: Athens, AL
AAAARRRRGGHH!!!!!!!please help!!!!
k...here's the deal....burning a quart every 60 miles now....here's what i've done:
compression check----cylinders 1 and 5 at 125#, 7 and 8 @140#, 2&3 @ 145#, and 4&6 @ 150#
vacuum check----19" steady, when i rev it, it drops to zero, then goes to about 23 and back to 19 when i let off....
new pcv valve (twice just to be sure)
has baffled valve covers
new valve seals
it doesn't smoke unless i open the secondaries on acceleration
i am now lost....
compression check----cylinders 1 and 5 at 125#, 7 and 8 @140#, 2&3 @ 145#, and 4&6 @ 150#
vacuum check----19" steady, when i rev it, it drops to zero, then goes to about 23 and back to 19 when i let off....
new pcv valve (twice just to be sure)
has baffled valve covers
new valve seals
it doesn't smoke unless i open the secondaries on acceleration
i am now lost....
Posting Guru
Joined: Mar 2001
Posts: 1,494
Likes: 0
AAAARRRRGGHH!!!!!!!please help!!!!
I suspect you checked the plugs for oil after she's warmed up. The only thing I can add to your previous post is that maybe you have a vacuum leak somewhere - maybe the intake manifold gasket.
New User
Joined: Aug 2001
Posts: 5
Likes: 0
AAAARRRRGGHH!!!!!!!please help!!!!
now i may not be right but here is what i think.
what i would do first is to check the head gasket and make shure it is not leaking. next i would check piston rings then a bottom gasket. it may work it might not but good luck. :}
what i would do first is to check the head gasket and make shure it is not leaking. next i would check piston rings then a bottom gasket. it may work it might not but good luck. :}
Tuned
Joined: Apr 2001
Posts: 443
Likes: 1
From: Athens, AL
AAAARRRRGGHH!!!!!!!please help!!!!
[font size="1" color="#FF0000"]LAST EDITED ON 16-Aug-01 AT 11:24 PM (EST)[/font][p]k..there are no external leaks, don't think i have a vacuum leak...it is 19" and steady...and the only way to determine if it's a head gasket is to remove the head, right???
oh, the smoke when i accelerate really hard appears to be mainly on the passenger side
and no oil on the plugs...i just changed them..the threads had a little oil on them, and the electrodes were all gunked up
oh, the smoke when i accelerate really hard appears to be mainly on the passenger side
and no oil on the plugs...i just changed them..the threads had a little oil on them, and the electrodes were all gunked up
Postmaster
Joined: Feb 2000
Posts: 2,759
Likes: 2
From: Auburn,Al
AAAARRRRGGHH!!!!!!!please help!!!!
did all of the plugs look like that, or just some of them?
1985 F-150/351Ho/c6/4wd~94,000 miles
1979 F-150extcab4x4/460/c6/6inchlift w/60rear44frnt (250 axles and springs)
37 inch boggers
1985 F-150/351Ho/c6/4wd~94,000 miles
1979 F-150extcab4x4/460/c6/6inchlift w/60rear44frnt (250 axles and springs)
37 inch boggers
Trending Topics
Tuned
Joined: Apr 2001
Posts: 443
Likes: 1
From: Athens, AL
AAAARRRRGGHH!!!!!!!please help!!!!
i think all of them had a little oil on the threads, only some of them had really bad deposits....when i said gunked i think that was the wrong word...looking at the spark plug guide in one of my engine books, i think the closest thing i found was probably the deposits from additives....the deposits were heavy on some plugs, but light on others...i will look more closely at them tomorrow, just to be sure....
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Senior User
Joined: Jul 2001
Posts: 109
Likes: 0
AAAARRRRGGHH!!!!!!!please help!!!!
Are the deposits wet and shiny? Black, brown or gray? Soft or hard and crusty?
FYI, I was losing a lot of oil, but the vast majority of it turned out the be the valve cover gaskets. They were leaking out the back on both sides, so the leak was not obvious from the engine compartment. Keep in mind that even if you don't see much or any oil in the driveway, you could be leaving a lot on the highway. Valve cover gaskets are easy to check and replace, so it can't hurt.
I'm still losing a little oil, but that's from bad rings on the #6 and #8 cylinders. That fix is gonna have to wait awhile.
ksd
69 F100 Explorer lwb 2wd FE 360 C6. WANTED: straight/clean styleside long box w/aux fuel tank for 67-69 F series.
FYI, I was losing a lot of oil, but the vast majority of it turned out the be the valve cover gaskets. They were leaking out the back on both sides, so the leak was not obvious from the engine compartment. Keep in mind that even if you don't see much or any oil in the driveway, you could be leaving a lot on the highway. Valve cover gaskets are easy to check and replace, so it can't hurt.
I'm still losing a little oil, but that's from bad rings on the #6 and #8 cylinders. That fix is gonna have to wait awhile.
ksd
69 F100 Explorer lwb 2wd FE 360 C6. WANTED: straight/clean styleside long box w/aux fuel tank for 67-69 F series.
Posting Guru
Joined: Jan 2000
Posts: 1,899
Likes: 1
From: Cullman Alabama
AAAARRRRGGHH!!!!!!!please help!!!!
That smoke can be coming from the Brake Mastercylinder through the Power Brake Diaphram! How's your brakes?
It can be coming from the Transmission through a leaking Vacuam Modulater.
And if the Oil Galles in the heads arent clear, it can still be coming down the intake valve guides.
But from those Compression readings, I'd say you have some stuck rings.
It can be coming from the Transmission through a leaking Vacuam Modulater.
And if the Oil Galles in the heads arent clear, it can still be coming down the intake valve guides.
But from those Compression readings, I'd say you have some stuck rings.