Quote:
Originally Posted by Fx4wannabe01
According to my Ford Parts counter catalog, you should be running SP432 plugs and WR4089 wires. The plug according to Motorcraft is a "finewire platinum" and if you Google the part number, you'll find many list it as double platinum while others list it as platinum. Professionally, I would be suggesting whatever my work catalog tells me it takes so a Motorcraft SP432 whatever it may be, platinum or double platinum....go Motorcraft.
An oddity to note...........For 01-05, the 4.0 SOHC took according to Ford took a SP440 which is platinum. For 06, they changed the spec to SP412 which is a plain copper plug. Meanwhile nothing really changed as to the engine itself....just bean counters for life maint changed.
In short, platinum plugs last longer than copper plugs. Given it's a 2.5L, I would throw platinum plugs at it plus a PCV as those are the most frequent wear points of Lima engines period.
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Thanks so much. Really appreciate the help. I have ordered the SP-432 plugs and the WR-4109 wires (Got those today).
I didn't know this until you posted that the WR-4089 are the same wires, it's just they don't have the plastic extension boots on the ends, and are cheaper than the WR-4109 because they come with the plastic extension boots. I will note this next time I buy plug wires I can just use my plastic extension boots and buy those to save money.
I also purchased the PCV valve and have that ready because I am installing a new valve cover gasket as well.
I have a leak in my EGR tube so I just ordered the EGR valve and tube as well. They both looked a little crunchy lol.
I also have to install a new blend door, and I figured while I have the dash out I might as well install a new heater core. Installing a new water pump, timing chain, and thermostat. I ordered the complete new AC system because I am tired of not having AC. Also got a new power steering rebuild kit, and cooler because that's leaking. A few more things but I can't remember. It's going to be a busy week.
Thanks again for the help guys!
God Bless!!