Let's see, depending on who does the swap, if you do everthing yourself, then expect to pay about $500-$1000 (above cost for 7mgte donor car) for misc stuff such as custom exhaust, upgraded clutch (recommended), modifying IC pipes, fabricating brackets for IC, aftermarket air filter kit (stock 7mgte air box won't fit) and I'm sure there's others I forgot to mention. Oh yeah, you must understand electronics in order to do the wiring. You need to read the following written by Jim King at http://celicasupra.com/7mgte
No, you don't need to upgrade the rear diff as long as you don't "hammer" the car. The weak link in the diff are the spider gears as there's only 2 of them versus the usual 4.
No, you don't need to upgrade the rear diff as long as you don't "hammer" the car. The weak link in the diff are the spider gears as there's only 2 of them versus the usual 4.