Scorched oil
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Junior User
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From: saint petersburg,florida
Scorched oil
I installed a Weiand 8010 intake manifold on my Ford 351m400 cid engine without the valley pan. I ask Weiand if the oil hitting the bottom of the hot manifold would scorch the oil, as I have read. Their answer was -"This should not be a problem". Not much of an answer,was it?
The bottom line is that the oil is scorching in less than 100 miles. The engine has less than 500 miles on it and has not been over 50 mph yet.
Can anyone tell me if this can be corrected.
Thanks in advance.
My trucks name is Gnarly.
The bottom line is that the oil is scorching in less than 100 miles. The engine has less than 500 miles on it and has not been over 50 mph yet.
Can anyone tell me if this can be corrected.
Thanks in advance.
My trucks name is Gnarly.
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Joined: Aug 2001
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From: Delaware
If the intake has an exhaust crossover, then you need the turkey pan. The Weiand 8010 has the crossover. You could try to block it off, but short of welding it closed there is no guarantee that it will not burn through.
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From: Whitehorse Yukon
HI, I use the MR gasket 720-222 listed at jegs, i think the 720 prefix is their in house number so i believe i just ordered 222. It comes with 2 small plates made of stainless and i have never had a problem and i burn barbeque fuel lol
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From: Delaware
Originally Posted by Socketman
HI, I use the MR gasket 720-222 listed at jegs, i think the 720 prefix is their in house number so i believe i just ordered 222. It comes with 2 small plates made of stainless and i have never had a problem and i burn barbeque fuel lol
Good information Socketman!
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In Florida you should not have to many driveability problems from not having a heated intake but other locations could have problems.
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From: saint petersburg,florida
Scorched oil
Originally Posted by Torque1st
In Florida you should not have to many driveability problems from not having a heated intake but other locations could have problems.
I want 0 drivability problems. What good is a heated manifold when it ruins the oil after driving 3 or 4 miles?--and, who knows what the scorched oil is doing to the new engine. Somebody please tell me why the maker of the Weiand manifold doesn't know what several members of this Forum knows.Thanks,Seneca
My trucks name is Gnarly.
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Posting Legend
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The heated intake helps to vaporize the fuel and improve cold starts and cool engine driving. If you want zero driveability problems keep everything stock. Use the turkey pan, heated intake, and heated intake and outside air system. Ford had it designed right in the first place.
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From: saint petersburg,florida
Originally Posted by Torque1st
The heated intake helps to vaporize the fuel and improve cold starts and cool engine driving. If you want zero driveability problems keep everything stock. Use the turkey pan, heated intake, and heated intake and outside air system. Ford had it designed right in the first place.
I live in Saint Petersburg Florida. It's hot here most of the time ,do you think I can install the turkey pan and forget about the heated intake and thus stop the scorching of the engine?
My trucks name is Gnarly.
Posting Legend
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See the posts on carb icing in the 73-9 forum and check the charts with your local temperature and humidity. If you are in icing temperatures you can use the heated air intake and block off the exhaust crossover passage. The crossover will not prevent your carb from icing, it helps, but does not prevent.
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From: saint petersburg,florida
Scorched oil problem repair
Originally Posted by seneca
I installed a Weiand 8010 intake manifold on my Ford 351m400 cid engine without the valley pan. I ask Weiand if the oil hitting the bottom of the hot manifold would scorch the oil, as I have read. Their answer was -"This should not be a problem". Not much of an answer,was it?
The bottom line is that the oil is scorching in less than 100 miles. The engine has less than 500 miles on it and has not been over 50 mph yet.
Can anyone tell me if this can be corrected.
Thanks in advance.
My trucks name is Gnarly.
The bottom line is that the oil is scorching in less than 100 miles. The engine has less than 500 miles on it and has not been over 50 mph yet.
Can anyone tell me if this can be corrected.
Thanks in advance.
My trucks name is Gnarly.
Could this be what is causing the oil to be black after only 5 or 6 miles,in some way?
Yes,I did check compression. It's fine.
Thanks in advance
Senaca
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From: Whitehorse Yukon
when you say scorched oil. do you mean it smelled burnt or the fact that it was black. take some of the oil and rub it between your fingers it should feel really slippery( hard to explain) , what i am getting at is if its diluted with gasoline say from a bad fuel pump or leaky carb it may be whats deteriorating your oil. Smell the oil and see if it seems really gassy. I would pull the spark plugs and see if they look sooty or black indidcating a too rich mixture.
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From: saint petersburg,florida
Socketman
Did you see the part where the old gasket is blocking the crossover?
Yes, the oil is very close to black and does smell of gas. First--- Could the blocked crossover cause this problem?
Second---The carb is a new Ederbrock 600, Holly electric fuel pump set at 4.5 psi.
Timing is 18 degrees btdc. It runs perfect--but does seem to be too rich. If carb is too rich--how does gas get into the oil?
Seneca
Did you see the part where the old gasket is blocking the crossover?
Yes, the oil is very close to black and does smell of gas. First--- Could the blocked crossover cause this problem?
Second---The carb is a new Ederbrock 600, Holly electric fuel pump set at 4.5 psi.
Timing is 18 degrees btdc. It runs perfect--but does seem to be too rich. If carb is too rich--how does gas get into the oil?
Seneca
Last edited by seneca; Jun 12, 2006 at 04:22 PM.
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From: Delaware
An overly rich mixture will wet the cylinder walls, and sooty fuel will make it's way past the rings and into the oil.
Check your plugs, are they wet and sooty?
Check the float level in the carb, just because it's new doesn't mean that it is right.
4.5 lbs fuel pressure shouldn't cause any problem with the needle valve, but one could be stuck open from shipping a new carb.
Look for fuel dripping into the carb as it idles.
Check your plugs, are they wet and sooty?
Check the float level in the carb, just because it's new doesn't mean that it is right.
4.5 lbs fuel pressure shouldn't cause any problem with the needle valve, but one could be stuck open from shipping a new carb.
Look for fuel dripping into the carb as it idles.