Thread: COTA Track prep
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      01-15-2013, 02:00 PM   #5
DallasBoosted
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Quote:
Originally Posted by UltraRacer13 View Post
I have never changed plugs/ coils or solenoids myself. Not sure I would know how to do it. I know plugs run about $20 per. What do the coils/ solenoids cost?
I'd pick up a set of the NGK 5992 plugs as spares, they are about 11 bucks each. I've got 6 of those in my track toolbox.

Coils are about $40 each from ECS Tuning (get the Bosch ones, same as OEM) I have 3 of these in my toolbox, never know.

The Vanos solenoid is about $100, and you can put a solenoid in either the intake or exhaust VANOS solenoid spot. So you only need one spare. Although you can replace both simultaneously if you want. I don't know if you're going to have any issues with these, but when they go bad they'll stifle your track day. Typically they'll start throwing codes when they get nice and hot in the track environment.

I'd also look at running 80/20 or pure water in your radiator if you're having any heat issues.
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