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DarrenDriven - that's so cool you are getting the "kids" involved. Great learning experience for them.
I'm getting the H techs installed in Seattle right now. Since the dealer wouldn't cough up a decent credit for labor the get to do the install anyways and spend hours on my car. They are saying it will take 4 hours and I've done them quicker than that with only a ratchet and manual spring compressor.
I may be wanting to take those KW's off your hands if the poke is too much with an H tech drop.