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low87bowtie
02-15-2013, 12:22 PM
Hey guys I need advice what Spark Plugs should i go with for my 04 MM?

And also i am thinking of changing out the Coil Connectors any advice for me on that as far as what brand to go with or whether or not to do it??

Thanks

fastblackmerc
02-15-2013, 03:30 PM
First don't use Champion plugs in a Ford.

No need to go with a colder heat range unless you have a tune that takes advantage of the colder heat range.

Spark Plugs:
Stock Heat range
Autolite –104
Autolite Double Platinum – APP104
Autolite Iridium / Xtreme Performance – XP104
Bosch – BSH7571
Bosch Platinum – BSH4205
Bosch Platinum+2 – BSH4305
Bosch Platinum+4 – BSH4458
NGK V Power – TR55
NGK G Power Platinum – TR55GP
NGK Laser Platinum – PTR5C-13
NGK Irdium IX – TR55IX
AC Delco – R42LTS6
AC Delco Platinum – 41810


Spark Plugs:
Colder Heat range
NGK – TR6 (+1 colder)
Autolite Iridium / Xtreme Performance – XP103 (+1 colder)

fastblackmerc
02-15-2013, 03:32 PM
I have the GMS connectors on my MM. Idles much smoother.

Vortech347
02-15-2013, 03:33 PM
XP104's kick ass.

ctrlraven
02-15-2013, 03:36 PM
Granatelli Motorsports Coil Connectors
p/n 28-1705S

http://www.summitracing.com/parts/grn-28-1705s

fastblackmerc
02-15-2013, 03:38 PM
XP104's kick ass.

Yes they do. Got a set free... still been running strong!

Vortech347
02-16-2013, 12:33 PM
Wasn't there a company that sold those connectors for like 100. RPM I think it was called. I purchased them to put in my dad's 3v.

RF Overlord
02-16-2013, 12:56 PM
^^^what they said^^^

Motorcraft or Autolite only

well OK...NGK are good too.

Champion = meh.

Bosch = :down:

tbone
02-16-2013, 01:55 PM
My cars runs sweeeeeet on NGK TR55 platinum plugs and Accel Super Coils.