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Wires on the valve covers?

  #1  
Old 05-16-2018, 12:26 AM
Stone1981F-150
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Wires on the valve covers?


Would anyone happen to know what theses wires running to a bracket built into the valve covers could be?
 
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Old 05-16-2018, 06:36 AM
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What year truck and motor size?
I don't know of any that had wires run across like that.
Dave - - - -
 
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Old 05-16-2018, 08:06 AM
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The black and green things on brackets on the valve covers are emissions devices. Like was said, what engine, what year, and what does your sticker say on the radiator support? Does it say EECIV on it anywhere? Or EECIII?
 
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Old 05-16-2018, 08:51 AM
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My apologies itís a 1981 f-150 351w
 
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Old 05-16-2018, 12:36 PM
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Originally Posted by Franklin2 View Post
The black and green things on brackets on the valve covers are emissions devices. Like was said, what engine, what year, and what does your sticker say on the radiator support? Does it say EECIV on it anywhere? Or EECIII?
Now that I am on my PC I can see them
Looks like fun ......... NOT if you have to get that all working again LOL

I have never seen a EGR valve like that one, why the heater hoses going to it?
Does it cool the valve assy. and/or gases?
Dave ----
 
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Old 05-16-2018, 12:50 PM
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Originally Posted by FuzzFace2 View Post
Now that I am on my PC I can see them
Looks like fun ......... NOT if you have to get that all working again LOL

I have never seen a EGR valve like that one, why the heater hoses going to it?
Does it cool the valve assy. and/or gases?
Dave ----
itís a absolute mess 🤢 Iím looking to get rid of it all and reroute that wireing harness from over my intake as I only use 2 wires from it... and the hose runs to the heater core to help warm up the truck on a nice and cold day.
 
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Old 05-16-2018, 01:08 PM
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Originally Posted by Stone1981F-150 View Post

itís a absolute mess 🤢 Iím looking to get rid of it all and reroute that wireing harness from over my intake as I only use 2 wires from it... and the hose runs to the heater core to help warm up the truck on a nice and cold day.
That is why I like my 300 six in my 81 F100, vary little junk and what there was, mostly vacuum lines, is not hooked up.
I have never seen an EGR like that before on a factory stock motor.
Now the way I hear the EGR works is when up to normal temp and certain throttle opening the EGR opens but everything has to be just right other wise the EGR is closed.
Now if closed there should not be any heat in that area so I don't see how it is heating the coolant to use the heater faster?
Maybe I got it all wrong???
Dave ----
 
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Old 05-17-2018, 02:20 AM
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Originally Posted by FuzzFace2 View Post
That is why I like my 300 six in my 81 F100, vary little junk and what there was, mostly vacuum lines, is not hooked up.
I have never seen an EGR like that before on a factory stock motor.
Now the way I hear the EGR works is when up to normal temp and certain throttle opening the EGR opens but everything has to be just right other wise the EGR is closed.
Now if closed there should not be any heat in that area so I don't see how it is heating the coolant to use the heater faster?
Maybe I got it all wrong???
Dave ----
Iím thinking itís something I can bypass Iím going to have to look into it but with my new stealth intake I donít have many options 😂
 
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Old 05-17-2018, 10:04 AM
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Does the new intake have EGR ports?
Even if it does I don't see why you cant block them off with either a carb spacer plate or plugs in the holes or both.
On my 300 six I used a freeze plug in the intake port to block it and put the EGR plate & valve back on to keep the carb to intake spacing needed to clear linkage.
Picture of plug on right of opening.

EGR and valve back in place.

I don't see why you cant do the same thing and just not hook any of the hoses to it.
Heck if you can find a spacer plate thick enough you don't need to put that big ugly thing back on.
Just my .02
Dave ----
 
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Old 05-23-2018, 01:47 AM
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Harnesse

now what are my options for that harness? I want minimal wireing
 
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Old 05-23-2018, 08:00 AM
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Ok a few things you can do.
me I would leave them there and remove the rest.
or
Open up the harness, peal back the plugs & wires to a point you can't see them, tape them up there and tape up the harness. I would do this if I did not want to see them.
or
Open up harness, pull back the wires and cut them out then tape up harness. I would never cut out wiring as down the road I may need it.
Dave - - - -
 
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