Smoking 460
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New User
Joined: Sep 2001
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Smoking 460
Hey guys, My 86 F-250 XLT with a 460 (recently purchased long block) has started to smoke,get this,only when making left hand turns.All other times it seems to be normal,except when making a left hand turn. If I'm on the gas thru the turn it's like I set off a smoke bomb. Any suggestions as to what this might be? My warranty has recently expired,so I'm on my own now. Could it be the "turkey" pan has lost it's seal and is allowing oil into the intake? Please help. Thanks again.
Elder User
Joined: Aug 2001
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Smoking 460
Two ideas:
A carb problem. Perhaps the float doesn't work right during sideways g-forces.
A leaking brake master cylinder that has filled your brake booster with brake fluid. A left hand turn would slosh the fluid to the right side of the booster - which is where the vacuum line hooks up. Check if the rear brake fluid reservoir (front brakes) is low.
Ludis
A carb problem. Perhaps the float doesn't work right during sideways g-forces.
A leaking brake master cylinder that has filled your brake booster with brake fluid. A left hand turn would slosh the fluid to the right side of the booster - which is where the vacuum line hooks up. Check if the rear brake fluid reservoir (front brakes) is low.
Ludis
Senior User
Joined: Mar 2000
Posts: 360
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Smoking 460
What color smoke? Yeah, go take a hard left turn and be hang'in out the window lookin backward to see what color smoke so you can tell us all about it 
If its bluish white oil smoke, an idea would be bad intake valve stem seals on the left head. A hard left could be keeping the oil from running down the head drain hole, putting more oil around the topside of the intake valves, sucking down into the cylinders. Just an idea, not a for-sure.
If its bluish white oil smoke, an idea would be bad intake valve stem seals on the left head. A hard left could be keeping the oil from running down the head drain hole, putting more oil around the topside of the intake valves, sucking down into the cylinders. Just an idea, not a for-sure.
Fleet Owner
Joined: Aug 2001
Posts: 29,941
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From: Drummonds, TN USA
Smoking 460
Again:
Blue is OIL
Black is GAS
Left turn, huh? Hmm...
I suppose some will want to know exactly what carb you runnin'...
Are there any signs of spillage?
If the outside of the engine made the smoke, it's reasonable to assume signs of carbonificated SOMETHING stuck to the outside of it...
If there is none -
The problem must be internal
Blue is OIL
Black is GAS
Left turn, huh? Hmm...
I suppose some will want to know exactly what carb you runnin'...
Are there any signs of spillage?
If the outside of the engine made the smoke, it's reasonable to assume signs of carbonificated SOMETHING stuck to the outside of it...
If there is none -
The problem must be internal
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Smoking 460
Don't worry,I'll let you know as soon as I find out. I don't understand the power steering theory though. The smoke is definitely engine oil. I'm beginning to think it's in the heads.
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Joined: Sep 2000
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From: Southern California
Smoking 460
I was hoping you'd come back so I could ask about the 'turky pan' 
. LOL! At first I though it was an aluminum intake manifold, then I started wondering if it's the valley between the cylinder's. Which is it? 
. LOL! At first I though it was an aluminum intake manifold, then I started wondering if it's the valley between the cylinder's. Which is it? 
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