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Old 02-27-2016, 08:23 AM   #1
Hpstang
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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
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Old 02-27-2016, 08:34 AM   #2
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Re: Spark plug changing

never used one for it, I go about a 1/4 turn past hand tight
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Old 02-27-2016, 09:49 AM   #3
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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.
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Old 02-27-2016, 10:05 AM   #4
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Quote:
Originally Posted by DSG2003Mach1 View Post
never used one for it, I go about a 1/4 turn past hand tight
+1 this is what I do as well
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Old 02-27-2016, 10:10 AM   #5
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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.
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Old 02-27-2016, 10:14 AM   #6
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Re: Spark plug changing

Quote:
Originally Posted by DSG2003Mach1 View Post
never used one for it, I go about a 1/4 turn past hand tight
Quote:
Originally Posted by Mach828 View Post
+1 this is what I do as well
I'm with them as well, never have used one for it

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Old 02-28-2016, 11:30 AM   #7
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Re: Spark plug changing

Quote:
Originally Posted by FordMan View Post
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?
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Old 02-28-2016, 12:08 PM   #8
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Re: Spark plug changing

Make sure u use anti seize too
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Old 02-28-2016, 06:25 PM   #9
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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.
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Old 02-28-2016, 06:29 PM   #10
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Re: Spark plug changing

Quote:
Originally Posted by mach1 eh View Post
what mileage do you have?
75k
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Old 02-28-2016, 11:57 PM   #11
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I torque mine. I have one, so why not?


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Old 03-07-2016, 04:29 PM   #12
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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.
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Old 03-07-2016, 04:49 PM   #13
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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.
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Old 03-07-2016, 09:31 PM   #14
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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.
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Old 03-08-2016, 06:18 AM   #15
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Re: Spark plug changing

Quote:
Originally Posted by not a gt View Post
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
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Old 01-06-2018, 10:42 PM   #16
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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?
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Old 01-06-2018, 11:29 PM   #17
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Re: Spark plug changing

Couple small shots of pb blaster or equivalent in the hole and let it soak overnight
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Old 01-10-2018, 11:13 PM   #18
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Re: Spark plug changing

Quote:
Originally Posted by 311-420 View Post
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......
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Old 01-11-2018, 12:06 AM   #19
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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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Old 01-12-2018, 10:00 PM   #20
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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
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Old 01-14-2018, 01:35 PM   #21
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Re: Spark plug changing

Quote:
Originally Posted by GONEN6T View Post
Thanks!
Let some PB Blaster sit for 2 days and came right out......
Glad to hear
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Old 01-17-2018, 05:20 AM   #22
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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.
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Old 01-17-2018, 08:45 AM   #23
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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.
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Old 01-17-2018, 09:02 AM   #24
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Quote:
Originally Posted by DSG2003Mach1 View Post
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..?
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Old 01-17-2018, 11:23 AM   #25
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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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