should help some , getting rid of the twins

http://clubsub.org.nz/forums/index.php?topic=24206.0 

everything i needed to know about dual rail good one Neil

and to think I started typing all that , untill that find

wats the benefit?

less work to get one running
less zorst
less vacuum issues
less turbo issues

more power from the GTB motor ( should you have one )

I have a few mates running the TT set up & each to there own