 Is this Normal?, SUPER dirty intake minifold! |
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 Apr 23 2004, 06:47 PM
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#1
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 DSMCentral Freak  Group: Members Posts: 334 Joined: 29-September 02 Member No.: 21  |
I removed the throttlebody and everything today in preparation of installing this new head that I picked up from Rob. As soon as I took it off I noticed that the intake manifold is absolutely caked in grime. Ive got a breather filter on the valve cover so nothing should be circulated back into the intake tube so I wasnt expecting it to be this nasty. Is this normal? I'm assuming not and perhaps this is the cause of my stuck valve. I took some pics, but they didnt turn out very well and I'm not sure how to post them here. TIA! Mark.
-------------------- 2003 Mustang GT
2008 Harley Nightster 1990 Mustang LX 5.0 notch |
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Apr 23 2004, 06:57 PM
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#2
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 Post Master Group: Members Posts: 658 Joined: 7-October 03 From: Pekin Member No.: 181 |
thats from the EGR valve. the breather filter on the valve cover stops oil from going back into the intake. A EGR blockoff plate will solve that problem its towards the bottom of the intake mani.
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Apr 23 2004, 11:11 PM
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#3
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 Post Master Group: Members Posts: 810 Joined: 9-July 03 From: Bloomington, IL Member No.: 151 |
QUOTE (mark95turbo @ Apr 23 2004, 06:47 PM) I removed the throttlebody and everything today in preparation of installing this new head that I picked up from Rob. As soon as I took it off I noticed that the intake manifold is absolutely caked in grime. Ive got a breather filter on the valve cover so nothing should be circulated back into the intake tube so I wasnt expecting it to be this nasty. Is this normal? I'm assuming not and perhaps this is the cause of my stuck valve. I took some pics, but they didnt turn out very well and I'm not sure how to post them here. TIA! Mark. I can clean it out and make it shiney for ya Mark 
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Apr 24 2004, 01:47 PM
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#4
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DSM Tech Wizard Group: Members Posts: 2,404 Joined: 16-December 03 From: Fletcher/Bloomington Member No.: 214 |
but with an EGR blockoff it will make the ECU throw a CE light will it not?
and yes that grime in the intake manifold is typical, every intake I've ever taken off a motor has to be put in either the jet washer or the cold parts cleaner at the shop to get that stuff off. -------------------- "I hear he tunes the space shuttle also...and that thing is fast"
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Apr 24 2004, 02:35 PM
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#5
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 Person of Wisdom Group: Members Posts: 119 Joined: 30-December 03 From: Washington, IL Member No.: 217 |
yeah, i've been wonder what would happen when you block off your egr valve. i know you loose a little gas mileage. is that all? will the CE light come on?
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Apr 24 2004, 04:06 PM
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#6
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 Zen Master DSM Group: Moderators Posts: 3,008 Joined: 10-January 01 From: in front of you Member No.: 5 |
Blocking of the EGR valve only causes a CEL in the California cars. I doubt you'll notice any difference in gas mileage. If you've got a California car which I highly doubt, you can still block it off, just keep the EGR sensor plugged in.
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