5m-gte pros - depending on what kind of deals you can scrounge on the turbo, manifold, piping and intercooler, can be done fairly inexpensive - figuring typical salvage yard prices on those and new retail prices on the requisite 'gizmos' to make it work, you're looking at around $1500-
$2000 US. Some have found some smokin deals, used 'gizmos' etc. and done for less. Can be done without removing engine or dismantling the dash. Adds some power but not enough to worry about breaking driveline components.
5m-gte cons - no aftermarket support, boost limited by stock ECU and fuel injector capacity, risk of catastrophic engine failure from accidental detonation is increased, the 'gizmos' needed are inferior quality to Toyota parts and hence reliability is compromised. Really amounts to nothing more than hillbilly engineering when you face the facts.
7m-gte pros - All Toyota parts, professionally engineered and developed turbo engine, legendary Toyota reliability if left stock. Adds considerable power, but not enough to worry about breaking things unless modified to run more boost. Some aftermarket support and greater mod-ability.
7m-gte cons - A little more expensive and a little more work (but worth every bit). If you figure on buying a running and driving donor car (best advice) at market price and doing nothing else while the engine is out, you are looking at around $2500 to $3000. Again, patience in searching out deals, you may come across a rear-ended mk3t at insurance auction for less than $1000, but just don't hold your breath while you wait.
Phil D. (who is apparently one of the list's resident hillbillies :silly: )