Mechanics Question?

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A repair techs worst nightmare is the guy who sources his own parts on eBay and wants you to install them for free. They might be the wrong parts, an incomplete kit, or just of a quality the tech would never use on a good customers car. I am not saying this is you, but your tech has probably seen this scenario many times and it usually goes badly. He will be uncomfortable doing this unless he is confident tha parts are complete and everything will go well. Most techs will charge more to do this due to all the unknown unknowns that might bite him later.

While the gears are out, have them do the ims retrofit, check the clutch and flywheel for viability, and pay him for his valuable time and expertise. This is how he feeds his family.