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:As far as i know, twin turbo is more efficient. Two smaller turbos lag less than one larger one.
:a single small turbo, the size of one of ours, if we "could" do a single turbo setup (which would mean a huge hood bulge like a funny car--), would spool insanely faster than our stock twins, and provide more power sooner. But it would probably poop out in the upper range, and stop being able to provide boost. the reason it would spool faster: 6 pistons per engine rotation providing exhaust gases for one turbo, instead of just three pistons per turbo, and there being two of them. the reason it would poop out: too small for large CFM at high RPM, comapred to the twin setup which can handle twice the volume. So, it seems, a single turbo can actually spool quicker, this is good, right? well, a single turbo application would then probably want a larger turbo, capable of handling the same volume of two smaller ones. The impeller would be heavier and the A/R ratio, likely larger, so it would spool a bit laggy--even though it has 6 pistons providing gasses per revolution. unless you have tons of $$ to try lots of combos, it would probably actually, work out to be about the same. _MWS
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18:29:04 05/19/03
