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Author
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Topic: Question for you all available pros :patriot:
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stangless
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Member # 1414
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posted
 
 
ok.. so. on the back of the heads there are the holes that are used for emission purposes. since my tranny is out i can see them and easily get to them right now.. since i don't have any of the smog equipment i thought about removing the bar that comes out of it and closing the thing with a couple of bolts. does anyone know the right size bolts i need? thanks.
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Posts: 4634 | From: bay | Registered: Jun 2002
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88gt
Custom
Member # 579
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posted
Do you ever plan on smogging the car again?
Also, if you're thinking about re-selling those heads you might want to reconsider removing that bar.
Posts: 1482 | From: Santa Clara/Bay area | Registered: Nov 2001
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84GT5.0
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Member # 5227
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posted
quote:
Originally posted by 88gt:
Do you ever plan on smogging the car again?
Also, if you're thinking about re-selling those heads you might want to reconsider removing that bar.
is there any possible horserpower gain from doing this either?
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RIP Russell W. Krill
Posts: 1300 | From: San Jose | Registered: Jan 2005
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CDT
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Member # 5004
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posted
there is a special insert that screws into there, any machine shop will have them.
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Custom Dyno Tuning
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Posts: 1053 | From: Hayward | Registered: Nov 2004
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silverLX
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Member # 3207
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posted
Ford dealership will also have some threaded inserts just like on the front of the heads. Any hardware store or machine shop will have a plug...unsure of the size though.
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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stangless
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Member # 1414
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posted
ok.. why would it affect the reselling of the heads? i mean. it's just a screw that goes there anyway.. i'm in no way messing with the head itself in any way.
car does not need to be smog for a while..
i'm not expecting horsepower gains.. just want a cleaner engine bay and the removing of that bar will let me change headers with relative ease and get to the starter a bit more quickly as well as checking the plugs..
anyone else?
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Posts: 4634 | From: bay | Registered: Jun 2002
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stangless
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Member # 1414
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posted
quote:
Originally posted by silverLX:
Ford dealership will also have some threaded inserts just like on the front of the heads. Any hardware store or machine shop will have a plug...unsure of the size though.
thanks Brandon.. ![[patriot]](graemlins/patriot.gif)
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Posts: 4634 | From: bay | Registered: Jun 2002
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Blind
2.3L
CAFords OG
Member # 3052
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posted
spark plugs thread right in also...just crack off the ceramic part and thread in the plug
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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silverLX
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Member # 3207
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posted
quote:
Originally posted by blind:
spark plugs thread right in also...just crack off the ceramic part and thread in the plug
Never knew that. Good to know
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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stangless
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Member # 1414
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posted
quote:
Originally posted by silverLX:
quote:
Originally posted by blind:
spark plugs thread right in also...just crack off the ceramic part and thread in the plug
Never knew that. Good to know
you mean kinda cutting the sparkplug in half or just removing the tip?
thanks boss.
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Posts: 4634 | From: bay | Registered: Jun 2002
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Blind
2.3L
CAFords OG
Member # 3052
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posted
just thread it in then hit the white part with a wrench, or do the same with the threaded part in a vice.
hell I've broken it off before using a deep socket instead of a spark plug socket when pulling my plugs out, lol
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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stangless
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Member # 1414
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posted
quote:
Originally posted by blind:
just thread it in then hit the white part with a wrench, or do the same with the threaded part in a vice.
hell I've broken it off before using a deep socket instead of a spark plug socket when pulling my plugs out, lol
i finally got off my butt today and tried putting a sparkplug in the hole and that didn't fit. the threads are totally different?
Paul, did you try that on stock or aftermarket heads? thanks.
guess i'll have to make my way to a ford dealership although i'm not sure what i'll be asking for. ![[Frown]](frown.gif)
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Posts: 4634 | From: bay | Registered: Jun 2002
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silverLX
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Member # 3207
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posted
Its the threaded insert for the accessory brackets. Clean the carbbon out of the head and then try the spark plug again(a STOCK plug(autolite 25's), not the 3924's you have for the TFS heads)
[ January 27, 2006, 08:56 PM: Message edited by: silverLX ]
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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Hungry Hippo
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Member # 537
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posted
you dont need that for smog. those ports are only used the first few seconds of startup
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05 S4 Avant(wagon)
09 C6 H/C/I
Posts: 2959 | From: east bay | Registered: Nov 2001
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stangless
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Member # 1414
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posted
quote:
Originally posted by silverLX:
Its the threaded insert for the accessory brackets. Clean the carbbon out of the head and then try the spark plug again(a STOCK plug(23's), not the 3924's you have for the TFS heads)
thanks boss.. i removed a bolt from the front, accesssory bracket, and it was too small for the big ass hole on the head.
I used the 3934 plug. do u think that would matter? wouldn't the thread be the same?
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Posts: 4634 | From: bay | Registered: Jun 2002
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silverLX
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Member # 3207
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posted
NOPE, use a stock plug (autolite 25)
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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stangless
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Member # 1414
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posted
ha.. cool.. thanks Brando, .. heck, i might make it to pepboys still... i'll keep you guys update.
edited:
didn't fit.. i tried the 25s. the thread pattern on the head is different than the one of the plugs..
i'm giving up for tonight..
[ January 27, 2006, 09:45 PM: Message edited by: Jmir018 ]
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Posts: 4634 | From: bay | Registered: Jun 2002
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stangless
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Member # 1414
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posted
nada. see post above.
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Posts: 4634 | From: bay | Registered: Jun 2002
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silverLX
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Member # 3207
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posted
damn. well get the inserts from the dealership. probabbly will be in stock.
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88LX hatch 410w
88LX vert gears, exhaust
95GT H/C/I
Posts: 1613 | From: Sonoma County | Registered: Aug 2003
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Blind
2.3L
CAFords OG
Member # 3052
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posted
thats weird, what kind of heads?
we did this on my brothers car, worked for both GT40's and TFS TW's...
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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1FAST89GT
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Member # 5071
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posted
i blocked off my heads(w/dealer plugs) and when i pull my motor out for replacement i am putting it back to smog legal its not worth it.
and i have a hookup on smogs just not f*cking with it though
Posts: 4915 | From: VALLEJO | Registered: May 2004
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stangless
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Member # 1414
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posted
quote:
Originally posted by blind:
thats weird, what kind of heads?
we did this on my brothers car, worked for both GT40's and TFS TW's...
it worked on the twisted wedge? that's what i have.. i'll give it another try.. the thing goes in for a turn and then doesn't want to go in anymore, seems like the threads are clearly not the same though.. i'm off to the dealer today.. hopefully i'll get someone who knows what's up and not some retard behind a computer.
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Posts: 4634 | From: bay | Registered: Jun 2002
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Hozr
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Member # 6196
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posted
Here is a link to mcmaster-carr for 5/8-11 x 3/4 " stainless steel hex plugs, 5 for $9.00. They are actually set screws, but with some ss thread selant they are perfect.
http://www.mcmaster.com
here is the part number for the plug only
92311A792
and similar to the ford insert with 7/16-14 internal threads
90247A015
H21
Posts: 290 | From: Chico | Registered: Nov 2005
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Hozr
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Member # 6196
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posted
wow, I would edit that last but it wont let me...
Anyways. There will be a lot of carbon build up in the threads and you may have to clean them out. Easiest way is with a tap, if you don't have a tap get a bolt of proper size, cut a groove up the length of the threads and it should work. Be sure to use thread sealant or it will leak.
These parts were used in the stock heads.
Posts: 290 | From: Chico | Registered: Nov 2005
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SydeWaySix
CAFords OG
Member # 3596
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posted
those holes are for the thermactor (air) passages in the heads, you can see the tiny openings in the roof of each exhaust port, so don't just leave them open. it really doesn't make a difference if you just leave the tube there, it's doing a fine job sealing up as it is. and what the hell is all this talk of plugs being different sizes/threads?? they're all the same
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1965 Fastback GT Restored to stock spec.
Posts: 9882 | From: Bay Area | Registered: Dec 2002
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