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#142 (permalink) |
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Senior Member
Join Date: Sep 2008
Location: Log Squad #2
Age: 37
Posts: 8,668
Nick
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Cheese, I was throwing a misfire code steadily for #4 and randomly for the other three cyl. #4 spark plug was always clean and all the other three had some carbon on them. Pulled the head and #4 looked steam cleaned.
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#143 (permalink) |
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Senior Member
Join Date: Jul 2008
Location: San Antonio
Posts: 1,846
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im about to change my plugs too, i had a nightmare when i change mine at the very beggining of my build, apperently one of my ngk broke and my whole cylender number 4 went out...luckly it got fixed. but i dunno, is there anything better than ngk?
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#155 (permalink) |
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Senior Member
Join Date: Jan 2008
Location: San Antonio, TX
Posts: 6,261
Tony
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WOW! .022?!
i heard that you should try and run the biggest gap if possible. but drop it if you need to my ngks all came with .036, my older plugs were much smaller i just adjusted the fuel, and spark a little. supa have you tuned your car yet? you still have the gt28? what is to expect of the tsi? |
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#156 (permalink) |
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Senior Member
Join Date: Jul 2008
Location: San Antonio
Posts: 1,846
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oh ok, ya im gonna order the ngk tony, my stock plugs were already fouling.. im almost sure that they have them at the oreallies in town. but im gonna check. i guess they all come different gap. what does the big and small gap do?
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#157 (permalink) |
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Senior Member
Join Date: Sep 2008
Location: Log Squad #2
Age: 37
Posts: 8,668
Nick
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Tony, I know your supposed to run as big as possible, but on a boosted car you start small and widen it till its running good. Still not tuned. The car has been down for a little bit, started out as a head gasket job but now is a timing chain job. A 4mm headgasket is too big for the stock cam chain, who would have thunk it? Hopefully this weekend I'll have it all back together, no CEL light, a good street tune , and then finally take it to my tuner at the end of the month. I'm going to be running 12 psi so I have no idea what kind of whp to expect, most likely over 300. It will be the first tuned K20Z3 TSI kit w/ a F/IC that I know of.
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#158 (permalink) | |
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Senior Member
Join Date: Sep 2008
Location: Log Squad #2
Age: 37
Posts: 8,668
Nick
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Quote:
Big gap will have a longer weaker spark, close gap will have a shorter more intense spark. Its one of those things you have to play with to see what your setup likes. |
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#159 (permalink) | |
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Senior Member
Join Date: Jan 2008
Location: San Antonio, TX
Posts: 6,261
Tony
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Quote:
??
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#160 (permalink) |
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Senior Member
Join Date: Sep 2008
Location: Log Squad #2
Age: 37
Posts: 8,668
Nick
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for boost you want the thickest to lower compression, stock is .4mm which is paper thin. 4mm is huge compared to it. I'm going to try a K24 chain, but they are 6 links longer which is a lot. hopefully not too much.
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