Champion Spark Plug , All Good?

[dastard1]

hi all , ive only had my xr6t for lttle while but im loving it!!!

ok so when I bought my ba xr6t the fella I bought it from had a full set of champion iridium plugs in the glove box and said he was planning of having them gapped to ?? and he was going to get a set of weapon x coils and put them in ,

I have been advised that thecoils are not worth the money so I wanna put the plugs in , so I went to the champion website and typed in the part number 9802 and the list of cars they are for came up with subaru libetrty etc but no ford xr6t but they also dont have any aus cars in their data base so theres no chance of them knowing what is good for me,

so my question is , am I right to just go ahead and put these in with the pre set gap that they are made with ? or should I take them to a mechanic and have them gapped?

my thoughts are they have got to be better than the old plugs that are in it , going off the colour of the engine oil the previous owner was behind on his matinance :Z

cheers

o yah I got new oil for it today but got a z516 filter as per the book but I need a z9 , so ill go back and fix that up tomorrow , im using penrite 10w - 50 full synthetic oil ,

ba xr6t - 297rwkw

[Wenier]

What is wrong with the z516? That is the filter I have. Do you give the car a hard time everytime you drive it since you are using w50 oil?

[Impellor]

Penrite 10W/50 full syn is an excellent oil and recommended by Penrite, and what I personally use after doing extensive research on oil viscosity, base quality and flashpoint ratings.

I am also aware that a number of people have used WRX plugs, and I suspect that the Liberty plugs would also fit, and possibly the only difference being gap distance. Standard boost gap (XR6T) is 1.1 mm. Now many people running higher boost will reduce the gap right down to .7 to stop boost pressure blowing out spark. But using the 1.1 gap will provide for best fuel economy. When gapping irdium plugs make sure that you are careful with the electrode, as it can break or fracture, so only adjust the top section carefully with small, preferably needle nose pliers. I use the daughters pliers that she got with her hair extensions . Buy yourself a set of feeler gauges as they will come in handy down the track, because really, to stuff this up you would need copious amounts of alcohol.

Cheers

[dastard1]

when I was looking through the parts book it was either a z516 or a z9 , I stuck my head under and could see that the one on it is a z9 , (wish I did this before I went to supercheap ) apparently the 2 are not interchangable ?? so im just gona go swap it for the z9 , and yah the oil choice was mainly based on a recomendation from a mate who is pretty clued on with xr6t , he has a tornado ute with close to 400rwkw running this oil so I figure whats good enuf for his car ,,,,,,,,

cool thanx impellor , very useful info , these plugs are 1mm from factory so I am going to stick with that I am running 16psi in my car so if it doesnt seem to run perfect or misses at all I will gap them down to .7mm , and try and lay off the xxxx until I have done them all

[ratter]

are they the correct temp range, correct reach, correct seat? if not do not use them

[dastard1]

well I dont know ? its just that they came with the car so I figure he must of chosen these plugs with some know how , there is a pack of 4 and 2 singles , :S

[dastard1]

Iridium Plug, 14mm Thread Size, 19mm (3/4") Reach, 5/8" (16mm) Hex Size, Gasket Seat, Resistor, Projected Tip, Extremely Long Life Plug, Iridium Center Electrode with Platinum Tipped V-Trimmed Ground Electrode, .043" (1.1mm) Gap

[Impellor]

Ratters raised a very good point here. The heat range is crucial. What I would recommend is that if you can't find the info on specs, I would pull one plug out and size it up. You'll see when you pull it out whether it is the same type of plug. But what is absolutely imperative is the heat range. The plug will have a number usually from 9 down. Now the plug you pull out will have a number. But if your champion plug has a higher number than the one already in the car DO NOT USE IT. Personally I think that the guy you bought the car off probably had some smarts when he got the plugs because he was aware of the gapping process. Another thing is when removing your plugs (there should be a vid somewhere that DAZZLER has done on the forum) use a piece of garden hose to remove the 6th one. If you like, open one of the champion plugs and get the number off it and post. I'll see what I can find, Cheers

[JETURBO]

dude go to ford and use the genuine f6 plug at 300rwkw its already gapped to .8mm wack em in and job done not expensive , the fine point bosch,ngk etc are junk just use the ford brand denso jobbies 500rwkw can be passed through these stock cheap plugs no worries so dont bother with what u got honestly

z9 is for ba series

z516 is for bf onwards

u cant use otherway round ( not interchangeable)

oil rarings are big business to the companys, stay with the 15/40 raring of the log book but just buy a medium quality and change more offen than a more expensive and leaving it longer great oils include in this rating are nulon15/40 orange bottle, fuch gto 15/40 all around 30-50 bucks a bottle 5ltrs and yes u need 2 bottles at the xr6t takes 7.5 ltrs approx

[ratter]

Different manufacturers heat ranges may vary for the same number, Bosch and NGK are opposite to each other for example