lets play "whats this part do???" ... my fav game
So I got this 302 out of my truck today. my harbor freight hoist wouldn't come close to reaching it so I got a piece of 1/4 wall square tube and broke out my little stick hobby welder to make this "Boom Beast" works great and lifted it plenty high enough to get it out.
next question. that little thing that attaches to the intake just behind the throttle body ... what does it do? i only ask because the 351 intake I got doesn't have a place for it to go into like the 302. it has the place for it to attach on the upper intake but not the lower. i guess it would be pulling vacuum but for what???? pic below. lets play who dosnt know how a auto trans works and that a torque converter is filled with red fluid. IM IN. guess i will need to put some more back into it lol. poor driveway. http://i280.photobucket.com/albums/k...ps8dad79f9.jpg what the heck does this do :) http://i280.photobucket.com/albums/k...psf8a888bb.jpg ] |
EGR valve .
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That is your EGR (Exhaust Gas Recirculation) valve. On the 351 it runs to the passenger side exhaust manifold, not the intake manifold. You will have to find the tube that runs to the exhaust manifold.
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If you leave this out/unhook it, will everything still work OK? Other than check engine light, I mean.
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Originally Posted by eakermeld
(Post 13799025)
If you leave this out/unhook it, will everything still work OK? Other than check engine light, I mean.
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If you have the EGR function tuned out of the EEC, you can do away with it. You will have to find a block off plate for the intake plenum though.
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Originally Posted by Evan_P
(Post 13799246)
If you have the EGR function tuned out of the EEC, you can do away with it. You will have to find a block off plate for the intake plenum though.
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Originally Posted by eakermeld
(Post 13802051)
I don't think I can tune it out on my 89. What now?
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Originally Posted by eakermeld
(Post 13799025)
If you leave this out/unhook it, will everything still work OK? Other than check engine light, I mean.
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Originally Posted by Evan_P
(Post 13802563)
For the truck to run properly, the system needs to be retained. If you have removed it, I would advise putting it back on.
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Originally Posted by eakermeld
(Post 13805442)
Mine is still on. I can unhook the vacuum line and cap it off and unplug it and it doesn't do anything different. Cold starts just fine. I don't understand what its purpose is.:confused:
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If it can't be tuned out of the EEC you can change it to a different one. As long as it doesn't have an e4od trans that is pretty easy to come by. You can basically use any ford v8 ecm but most go for a mustang due to the more aggressive stock tune and more capabilities. But if you do have an e4od you have to use one from another e4od truck or piggy back a trans controller which is what a lot of people do for a MAF conversion since ECMs are pretty hard to come by. If that is not in your budget you can buy a plug in delete. They basically tell the ecm that it is connected and functioning properly. Apparently RJM is closed down for an unknown reason but I did find one on eBay for 25 bucks I am waiting to see if works well. Will let you know when it comes in and can test it. The last option which is the cheapest but also the most difficult is to cut the connector off and put a resistor in place of it. I can't recall the exact spec on doing that bit I'm sure it is on here somewhere.
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If you do use the plug in delete do you still have to pull the valve off and cap everything? I've looked into this pretty deep but still haven't figured it all out
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You need to block the holes off on the manifold if you are going to do the delete. What you can do is put a piece of sheet metal between the valve and the manifold or you can remove it completely by making a block off plate for the intake and plug the port in the exhaust. Some people also remove the crossover pipe on the back of the heads but it isn't necessary.
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Originally Posted by coxthecrazy
(Post 13806968)
If it can't be tuned out of the EEC you can change it to a different one. As long as it doesn't have an e4od trans that is pretty easy to come by. You can basically use any ford v8 ecm but most go for a mustang due to the more aggressive stock tune and more capabilities. But if you do have an e4od you have to use one from another e4od truck or piggy back a trans controller which is what a lot of people do for a MAF conversion since ECMs are pretty hard to come by. If that is not in your budget you can buy a plug in delete. They basically tell the ecm that it is connected and functioning properly. Apparently RJM is closed down for an unknown reason but I did find one on eBay for 25 bucks I am waiting to see if works well. Will let you know when it comes in and can test it. The last option which is the cheapest but also the most difficult is to cut the connector off and put a resistor in place of it. I can't recall the exact spec on doing that bit I'm sure it is on here somewhere.
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