2003-04 Mach 1 Registry Owners Club

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-   -   Spark plug changing (http://www.mach1registry.org/forums/showthread.php?t=134793)

Hpstang 02-27-2016 08:23 AM

Spark plug changing
 
For you guys that change your on spark plugs do you use a torque wrench or not? I have always changed them by feel but with the Mach and the aluminum heads thought it might be a good idea to have one. Just wondering what you guys do. Also I have been looking into torque wrenches and it seems the beam style may be a little better for changing spark plugs. Just wondering your thoughts

DSG2003Mach1 02-27-2016 08:34 AM

Re: Spark plug changing
 
never used one for it, I go about a 1/4 turn past hand tight

FordMan 02-27-2016 09:49 AM

Re: Spark plug changing
 
I just changed mine for the first time and did not use one. It is certainly not a bad idea to do so though. Also I used a little anti-seize on the threads when I installed the new ones.

Mach828 02-27-2016 10:05 AM

Quote:

Originally Posted by DSG2003Mach1 (Post 1614593)
never used one for it, I go about a 1/4 turn past hand tight

+1 this is what I do as well

Mach351 02-27-2016 10:10 AM

Re: Spark plug changing
 
This is actually the first and only vehicle where I've used a torque wrench on the plugs.
The specs are only 14 or 15 ft/lbs so I was a little more sensitive not to over torque.

ASH302 02-27-2016 10:14 AM

Re: Spark plug changing
 
Quote:

Originally Posted by DSG2003Mach1 (Post 1614593)
never used one for it, I go about a 1/4 turn past hand tight

Quote:

Originally Posted by Mach828 (Post 1614600)
+1 this is what I do as well

I'm with them as well, never have used one for it

ASh

Mach1 EH 02-28-2016 11:30 AM

Re: Spark plug changing
 
Quote:

Originally Posted by FordMan (Post 1614598)
I just changed mine for the first time and did not use one. It is certainly not a bad idea to do so though. Also I used a little anti-seize on the threads when I installed the new ones.

What mileage do you have?

littlemags 02-28-2016 12:08 PM

Re: Spark plug changing
 
Make sure u use anti seize too

USMCWeatherMan 02-28-2016 06:25 PM

Re: Spark plug changing
 
I changed my plugs about 2 years ago, did not use a torque wrench...I did the 1/4 turn after hand/finger snug. I did use a little anti seize on the threads though as others have mentioned.

FordMan 02-28-2016 06:29 PM

Re: Spark plug changing
 
Quote:

Originally Posted by mach1 eh (Post 1614645)
what mileage do you have?

75k

ab_mach1 02-28-2016 11:57 PM

I torque mine. I have one, so why not?


IG: @rcodemach1

4a7191a 03-07-2016 04:29 PM

Re: Spark plug changing
 
I've never used one on any cars and I've done hundreds of tune ups :)
Antisieze on all of them as well... No matter what make.

96gt02 03-07-2016 04:49 PM

Re: Spark plug changing
 
Changed many plugs in many fords, never had any issues, hand tight then another 1/4 turn, always use antiseize, Also I generally like to run coppers in all my cars and change them every year.

not a gt 03-07-2016 09:31 PM

Re: Spark plug changing
 
I am odd man out, I use a in-lb torque wrench I actually had calibrated by a member here in that field, if you decide come to next Zaxby show and you can borrow it. BTW I use TR6 and change every 7-10K miles, cheap insurance IMO on a blown car.

Hpstang 03-08-2016 06:18 AM

Re: Spark plug changing
 
Quote:

Originally Posted by not a gt (Post 1615368)
I am odd man out, I use a in-lb torque wrench I actually had calibrated by a member here in that field, if you decide come to next Zaxby show and you can borrow it. BTW I use TR6 and change every 7-10K miles, cheap insurance IMO on a blown car.

Thanks Larry but I bought a craftsman mini torque in/lb wrench just to do them

GONEN6T 01-06-2018 10:42 PM

Re: Spark plug changing
 
Bringing up old thread....

Changing plugs and coil packs.......

Plug on drivers side by firewall real tight so for now left it alone
Other plugs came out easy

Any tricks on getting out a plug that’s is really in there?

311-420 01-06-2018 11:29 PM

Re: Spark plug changing
 
Couple small shots of pb blaster or equivalent in the hole and let it soak overnight

GONEN6T 01-10-2018 11:13 PM

Re: Spark plug changing
 
Quote:

Originally Posted by 311-420 (Post 1629343)
Couple small shots of pb blaster or equivalent in the hole and let it soak overnight

Thanks!
Let some PB Blaster sit for 2 days and came right out......

01yellerCobra 01-11-2018 12:06 AM

Something I do with our 06 is I pull the plugs while the engine is warm. It has the junk plug design so I have to be careful. But the warm engine with PB Blaster has worked so far. I let it cool before putting the new ones in.

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XSELLR8 01-12-2018 10:00 PM

Re: Spark plug changing
 
Here is my video on my Terminator (same heads). It’s a 2004 with 9 thread but my Mach 1 is 2003 with 4 thread and have no issues- just have to make sure they are snug at each oil change. 12-14 foot pounds or just by hand.

https://youtu.be/HbSYnVAXzD8

311-420 01-14-2018 01:35 PM

Re: Spark plug changing
 
Quote:

Originally Posted by GONEN6T (Post 1629390)
Thanks!
Let some PB Blaster sit for 2 days and came right out......

Glad to hear

StangFever2846 01-17-2018 05:20 AM

Re: Spark plug changing
 
I just starting using a torque wrench with this last plug change. In the past I just went by feel, used anti-seize and then rechecked them for tightness at every oil change. I have the 4 thread heads so don't want to blow a plug out.
NGK TR-55 coppers here.

DSG2003Mach1 01-17-2018 08:45 AM

Re: Spark plug changing
 
keep in mind that if youre still using anti-seize that anything on the plug threads can mess up your torque reading.

ab_mach1 01-17-2018 09:02 AM

Quote:

Originally Posted by DSG2003Mach1 (Post 1629498)
keep in mind that if youre still using anti-seize that anything on the plug threads can mess up your torque reading.


I’m guessing that you’ll probably want to go a bit tighter, because they won’t feel snug enough..?

DSG2003Mach1 01-17-2018 11:23 AM

Re: Spark plug changing
 
i would advise doing some web searching for how anti-seize might effect torque readings. My point being you may actually over-tighten with a torque wrench with anything put on the threads.

HP tv or one of those Sunday morning shows did a segment using the bolt in a strain gauge and tightening with a torque wrench using different assembly lubes and other chemicals on the threads. The strain on the bolt was much higher than what the torque wrench was seeing.


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