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BLACKMARAUDER04
12-11-2007, 02:22 PM
My 2004 Marauder needs spark plugs. I have a reinhardt tune and use 91 Octane gas. Can someone suggest a good spark plug. Should I use Motorcraft Platinum plugs?
Marauderjack
12-11-2007, 03:22 PM
NGK-TR6 is a colder than stock and should serve you well!!:beer:

If you want Iridiums I think they are TR6-IX??:cool:

Marauderjack:burnout:
Cobra25
12-11-2007, 03:34 PM
I use the NGK-TR6 plugs. Good plug.
BLACKMARAUDER04
12-11-2007, 03:51 PM
are the nkg-tr6 "100,000 mile " plugs?
greggash
12-11-2007, 03:55 PM
[QUOTE=BLACKMARAUDER04;560200]are the nkg-tr6 "100,000 mile " plugs?[/QUOTE
You have a reinhart tune....

Do not use stock plugs
with the tune I would doubt that the plugs will last 30k
I burnt up a set of denso's on the first tune

I agree with the NGK plug, everyone likes it
gmtech
12-11-2007, 05:00 PM
i also use NGK-TR6 and its a great plug...change mine once a year since they are inexpensive:P
fastblackmerc
12-11-2007, 06:11 PM
NGK-TR6's are the way to go.
magindat
12-12-2007, 06:07 AM
Yes, NGK -TR6...
Zack
12-12-2007, 06:33 AM
I use the NGK TR7ix in the KB Car.
Good Stuff :up:
magindat
12-12-2007, 06:36 AM
I use the NGK TR7ix in the KB Car.
Good Stuff :up:

Isn't ix the iridium? What's the advantage? Thought copper was best for not getting the spark blown out by SC pressure.
BLACKMARAUDER04
12-12-2007, 03:47 PM
What Should The Ngk - Tr6 Be Gapped To?
BLACKMARAUDER04
12-17-2007, 04:21 PM
I WENT WITH THE MOTORCRAFT SP505 PLUG ( AGSF22C )
$1.63 FROM ROCK AUTO ( OVER $4.50 EA FROM DEALER )

MOTORCRAFTSP505Spark Plug$ 1.63$ 0.008$ 13.04


WHAT SHOULD THESE BE GAPPED AT?
magindat
12-18-2007, 06:24 AM
Owners manual calls for .052-.056

http://www.magindat.net/ssm/info/MMownersmanual.pdf
ctrlraven
12-18-2007, 09:22 AM
NGK-TR6 is a colder than stock and should serve you well!!:beer:

If you want Iridiums I think they are TR6-IX??:cool:

Marauderjack:burnout:

Yep I went with the TR6-IX ones that you advise me to get and have been plenty happy with them.


Owners manual calls for .052-.056

http://www.magindat.net/ssm/info/MMownersmanual.pdf

Is that with stock plugs? Now that I think about it I didn't check the gap on the TR6-IX plugs I got but I haven't had any problems.

I was told NGK plugs come pre-gapped, anyone know what the gap is on the TR6-IX plugs?