GH wrote:S**t bin it there has to be cheaper motorsport what about a 1uz in somethink
I think you completely miss the point here.
Money isnt always an issue for some people.
Why get 250HP from a V8 when you can get the same with an engine that weighs 1/3 as much, and gives the car a far superior balance/handling etc.
Also some people race in a class, eg a 0-1300cc class, 1301-1600cc class, 1601-2000cc class etc.
You cant just always add a turbo or whack in a huge V8.
Also, I think a highly strung NA 4AGE is an awesome engine for an AE86, because it's keeping with the historical character of the car. The 86 has always been considered a giant killer of sorts, the little car with the little engine that takes down the bigger more powerful cars. It would lose some of its charm with a 1UZFE or 3SGTE or something I think.