03-19-2004, 02:00 AM
yes, I know about Howstuffworks.com and have visited on many occaisions. However, I have never seen proof of an engine that had two differently sized turbos, and certainly not from the factory. Like I said, it is a common belief, but for the most part it is wrong. It IS possible that an internet source can be wrong too (you'll learn this too as you do more research projects), so until I see some valid proof, I'll stand by my previous statement.
The key to have having a strong top end as well as limited spool time IS having a well selected turbo. You give up on one to get the other, plain and simple. Each person veiws this compromise differently. The practicality of a twin turbo system is thus determined by the driver and his aspirations. For many, a single will accomplish more than a twin for them, but I will remain twin when I convert my IV into its rightful place, and if I kept my III, it would also remained a twin turbo.
As I said before, I'm not all knowing, but I do think I have a fair amount of knowledge dealing with twin turbo setups and I know that the vast majority are inline, as opposed to sequential, and what few sequentials that I know of are both of the same size.
The key to have having a strong top end as well as limited spool time IS having a well selected turbo. You give up on one to get the other, plain and simple. Each person veiws this compromise differently. The practicality of a twin turbo system is thus determined by the driver and his aspirations. For many, a single will accomplish more than a twin for them, but I will remain twin when I convert my IV into its rightful place, and if I kept my III, it would also remained a twin turbo.
As I said before, I'm not all knowing, but I do think I have a fair amount of knowledge dealing with twin turbo setups and I know that the vast majority are inline, as opposed to sequential, and what few sequentials that I know of are both of the same size.