Honestly those engine are not for everyday use those formula atlantic engine are racing ONLY !!!. and VVT-i Owns i know a guy that has the formula atlantic cylinder head with has in titanium valves and springs etc.....on his engine and the head along is about $5,000 - $10,000 dollars so if you want one you have to got lots and lots of money example the crankshaft for that engine is $5,358.00 to be sure. oh yeah and prepare yourself to pull down alot after each race meet.