Some people never think of the future though, and the longitivity of there motor. When it breaks they'll ***** and cry and call the 3800 a POS. There are alot of people out there like this, i've seen them for years on Club GP. There are many improvements that can be made on both the L36 and L67.
There are other people too that have the mindset "ZZP does it" we can too. Comparing our cars to there race cars that are not daily drivers isn't a good idea. Anybody can just throw in a short block when it blows up, sure thats cheap and easy on a race car that gets limited miles. When your talking about a driver being pushed to the limits all the time, gets tens of thousands of miles yearly, realibilty should be a factor there too. No stock L36 and L67 is going to last with extensive power and be a realible daily driver and constant High HP levels. You have your fair share of risks running a "built-up" motor as well, don't get me wrong. Oiling improvements and forged slugs goes a long ways! These motors ain't that costly to build up either to have a SOLID motor.
In the end it comes down to the old saying... "You gotta pay to play" But my point is, if you're gonna pay, do the proper steps and do it right the first time.
I know i'll get rants from this, i'm just speaking the truth, thats all...