Quick Question About Lapotp In Car

Hello!

Im Just Wondering Is It Possible To Have A Laptop Computer To Control UR Revz Etc And The Engine Settngs Like An ECU With A Screen?

How Would This Be Done.. Thanks

i actualy have seen it done. yesterday at a car show. but unfortunitly(sp) i have no clue how it was done and didn't ask. lol answered half your question.