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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

Thermactor Holes

  • Thread starter Thread starter nickc
  • Start date Start date May 30, 2015
N

nickc

New Member
May 30, 2015
1
0
1
May 30, 2015
#1
  • May 30, 2015
  • #1
what size & thread per inch are the thermactor holes in the back of heads.
 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
Admin Dude
Jan 4, 1985
42,933
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May 30, 2015
#2
  • May 30, 2015
  • #2
nickc said:
what size & thread per inch are the thermactor holes in the back of heads.
Click to expand...


ReefBlueHatch said:
From 4G-KDMP,
Plugging Smog Hole (thermactor plug) 5/8-11

BTW, thanks for starting this thread!
Click to expand...


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Technical Thread/how-to Index | Mustang Forums at StangNet
 
L

Lscam580

Active Member
Aug 27, 2014
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Grand Rapids Mi
May 30, 2015
#3
  • May 30, 2015
  • #3
5/8-11
 
L

Lscam580

Active Member
Aug 27, 2014
119
18
28
Grand Rapids Mi
May 30, 2015
#4
  • May 30, 2015
  • #4
They make a kit for 7.99 that plugs off the heads and you are then able to delete the smog system
 

mikestang63

SN Certified Technician
Aug 27, 2012
11,606
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In the garage
May 30, 2015
#5
  • May 30, 2015
  • #5
Just take the bolts that hold the thermactor pipe in to the back of the heads and flip them and they will plug the holes, or use an old set of spark plugs- break off the porcelain.
 

90sickfox

Wasn't a pretty sight...and I've got big hands
SN Certified Technician
Mar 2, 2015
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May 30, 2015
#6
  • May 30, 2015
  • #6
+1 mikestang63
 
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