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DURATEC Ti-VCT Performance (2012-Current) The place to chat about any Duratec 2.0L Ti-VCT engine performance, tuning and exhaust related upgrades.

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Old 03-26-2017, 07:54 PM   #31
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Ouch!

Nice to be working on a 'spare' head when that happens.
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Old 03-26-2017, 08:49 PM   #32
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You need to cut down the guide so its flush in the port , get rid of all the hump that is around the guide , leave the short side radius alone other then smoothing and making the radius better but never smaller or shorter , do all you can on the top side to create a straighter shot into the Valves

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Old 03-26-2017, 09:02 PM   #33
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Good advice from Tom. I just made sure to follow a rule I heard about porting: "You can raise the roof but don't lower the floor."
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Old 03-26-2017, 11:13 PM   #34
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Damn that sucks....JB weld it and call it a day! :) j/k Where did you get the head from,
Im looking for a core mk3 engine at a wrecker that I can piecemeal from...looking for an ST head too.
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Old 03-27-2017, 04:51 AM   #35
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I got my head from an LKQ pull-ur-part in Tampa. They seem to be pretty picky in the cars they put out so I very much doubt you will ever find an ST at one. I couldn't even find a v6 mustang in all of the south east. Good luck of finding one that doesn't cost an arm and a leg.

Edit: Okay so I figure I have 3 options on how I could fix my head.
1. Put some crazy strong epoxy on the valve seal side
2. Attempt to weld it shut. This would have to be a mig job since I can't fit a torch and filler in there.
3. Pack either side of the hole with casting sand and make port down to the hole. Then I would melt some aluminum in a furnace and pour it down in there to fill the hole.

Any ideas?

I'll try to get my hands on a bore gauge so I can tell you guys how far is too far for a port job like this.

Last edited by SedanRacer; 03-27-2017 at 10:38 AM.
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Old 03-27-2017, 06:00 PM   #36
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Originally Posted by SedanRacer View Post
I got my head from an LKQ pull-ur-part in Tampa. They seem to be pretty picky in the cars they put out so I very much doubt you will ever find an ST at one. I couldn't even find a v6 mustang in all of the south east. Good luck of finding one that doesn't cost an arm and a leg.

Edit: Okay so I figure I have 3 options on how I could fix my head.
1. Put some crazy strong epoxy on the valve seal side
2. Attempt to weld it shut. This would have to be a mig job since I can't fit a torch and filler in there.
3. Pack either side of the hole with casting sand and make port down to the hole. Then I would melt some aluminum in a furnace and pour it down in there to fill the hole.

Any ideas?

I'll try to get my hands on a bore gauge so I can tell you guys how far is too far for a port job like this.
Welding would be your best option and probably the safest/reliable . I've used epoxy at work before for some metal parts and it did not hold for long even after proper surface prep. You wouldn't want a real hard chunk of epoxy going into the cylinder.

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Old 03-27-2017, 06:08 PM   #37
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Originally Posted by Fabio0716 View Post
Welding would be your best option and probably the safest/reliable . I've used epoxy at work before for some metal parts and it did not hold for long even after proper surface prep. You wouldn't want a real hard chunk of epoxy going into the cylinder.

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After some more research, I'd have to agree. While I probably could use epoxy(I have some military grade stuff) I would never trust it. I'm going to preheat to 200-250 and then mig weld the hole with 5356 rod. I'll let you guys know how it goes.
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Old 03-28-2017, 12:25 AM   #38
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^^^^and keep that head handy, I may need you to compare some measurements for me if I get my hands on a ST head...go head to head. :)
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Old 03-29-2017, 03:44 PM   #39
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Dont weld it , not worth it and your Valve guide is right there , use that head for testing , see how much you can raise the entry , and have fun with it then scrap it , get a new used head and you will know what to and not to do

Tom
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Old 03-29-2017, 03:52 PM   #40
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Dont weld it , not worth it and your Valve guide is right there , use that head for testing , see how much you can raise the entry , and have fun with it then scrap it , get a new used head and you will know what to and not to do

Tom
How is it not worth it if I'm the one doing the welding? I just have to refill my argon cylinder first. I figure I'd give it a shot because I have nothing to lose at this point.
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