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Engine Specific Info and Questions => TDI Engine -General Info => Topic started by: Henk on August 18, 2013, 05:25:46 am

Title: 2 Stage Turbos
Post by: Henk on August 18, 2013, 05:25:46 am
Been toying with the idea of twin-charging for a while, initially considered picking up a Merc supercharger becuase they're damn cheap, but in reality a VNT makes the idea obsolete.
Have had a GT2052v sitting around for ages, cost a whopping £81 delivered, now sort of accidentally bought another one (a steal at £42 delivered!)

While i doubt the two of these would be a good combination for any kind of dual turbo system, i am still dead curious.
Got loads of room to play with,
(http://i1020.photobucket.com/albums/af322/43655/b59be790-80a1-4f88-810c-e66a4e43cdd0.jpg)
considering doing a tubular manifold too (only mild steel though) which will help

I'd imagine the 2 stage setup would be best, find a smaller HP turbo, although what i have now is probably a bit small for the LP?
would VNT's in either position have any advantage? perhaps for even better spool on the small turbo

would take a bit of controlling, but i think it'd be a fun setup
target is 250hp, and as much torque as possible :p

or should i just forget the lot, and get a GT23xxV or something?

please, discuss  :)
Title: Re: 2 Stage Turbos
Post by: 745 turbogreasel on August 18, 2013, 03:10:30 pm
http://www.youtube.com/watch?v=fteI0wDi1EQ

Why stop at 2?
Title: Re: 2 Stage Turbos
Post by: Henk on August 27, 2013, 11:10:15 am
ipressive, but can't see 3 working on a 4 cylinder!
Plus i don't quite have the resources that BMW do...