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-   -   2013 5.0 - Need help with plugs. (https://www.f150forum.com/f38/2013-5-0-need-help-plugs-245664/)

MGD 02-06-2014 03:29 PM


Originally Posted by F-250,LD (Post 3284062)
I would like to amend my statement. The older (like my 5.4 in my ex-98) spec'd a plug with a nickle coating that would not seize. And they also spec'd that no anti-seize was to be used.

This engine may be different with regards to the anti-seize.

I have not found what the perfect torque setting is for this engine.
Anyone know?

Hi.

All the Motortcraft plugs spec'd for these engines have nickel-plated plug bodies. That has not changed.

The factory installs them dry.

As for torque, the most common figure I keep seeing is 25ft-lbs DRY.

Whether or not you elect to use a tiny bit of hi-temp nickel anti-seize is up to you - just reduce torque by the usual factor (~50%).

Refer to: http://www.densoiridium.com/installationguide.php

Nickel does not react with aluminum.

MGD

F-250,LD 02-06-2014 03:40 PM

double post

F-250,LD 02-06-2014 03:43 PM


Originally Posted by MGD (Post 3284090)
Hi.

All the Motortcraft plugs spec'd for these engines have nickel-plated plug bodies. That has not changed.

The factory installs them dry.

As for torque, the most common figure I keep seeing is 25ft-lbs DRY.

Whether or not you elect to use a tiny bit of hi-temp nickel anti-seize is up to you - just reduce torque by the usual factor (~50%).

Refer to: http://www.densoiridium.com/installationguide.php

Nickel does not react with aluminum.

MGD

Nice chart on that link.
It looks like the Motorcraft SP-519
  • Iridium
  • Ford Service # CYFS-12Y
  • Hex Size (In): 5/8 Inch
  • Seat: Tapered
  • Thread Size: 14mm
According to that chart, 7-15 ft/lbs

It appears that some of the EB guys are using a torque setting of 133 in/lbs (~11 ft/lbs).

RLXXI 02-06-2014 03:47 PM

http://imagizer.imageshack.us/v2/xq90/836/nwap.jpg
http://imagizer.imageshack.us/v2/xq90/547/l8ry.jpg

I wouldn't use any anti seize either.

.
.

F-250,LD 02-06-2014 03:51 PM


Originally Posted by Rnlcomp (Post 3284130)

Nice find. 124 in/lbs or ~10.33 ft/lbs

Thanks

MGD 02-06-2014 03:52 PM


Originally Posted by F-250,LD (Post 3284121)
Nice chart on that link.
It looks like the Motorcraft SP-519
  • Iridium
  • Ford Service # CYFS-12Y
  • Hex Size (In): 5/8 Inch
  • Seat: Tapered
  • Thread Size: 14mm
According to that chart, 7-15 ft/lbs

Hi.

Yes it does - I wonder how conservative that figure is. The 3V 's were 25-28 ft-lbs dry.

So - have we confirmed that an SP-519 is iridium and not fine-wire platinum? Should say 'Iridium' on the box and and on the plug.

Man - the info on this is all over the map :D

EDIT - ahhh... just saw Rnlcomp's post - nice!

MGD

RLXXI 02-06-2014 04:00 PM


Originally Posted by MGD (Post 3284137)
Hi.

Yes it does - I wonder how conservative that figure is. The 3V 's were 25-28 ft-lbs dry.

So - have we confirmed that an SP-519 is iridium and not fine-wire platinum? Should say 'Iridium' on the box and and on the plug.

Man - the info on this is all over the map :D

MGD


My post above is direct copy/paste from 2013 shop service manual, same manual Ford tech's use at the dealer.

.

MGD 02-06-2014 04:01 PM


Originally Posted by Rnlcomp (Post 3284153)
My post above is direct copy/paste from 2013 shop service manual, same manual Ford tech's use at the dealer.

.

Yep. Saw that after I posted. Thanks.

MGD

F-250,LD 02-06-2014 04:18 PM


Originally Posted by MGD (Post 3284137)
Hi.

Yes it does - I wonder how conservative that figure is. The 3V 's were 25-28 ft-lbs dry.


Man - the info on this is all over the map :D

I think the setting for my old 5.4 was 11-14 then was revised to 28 when they had issues of spitting sparkplugs out.

True on the info.

Pale Screw 02-06-2014 04:22 PM


Originally Posted by Rnlcomp (Post 3284130)

I'm curious. Why no anti-seize on the plugs?


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