The old sigma turbo setup used an external wastegate.They use a v-band outlet for the exhaust.Ive got an external wastegate t3 that uses a 4 bolt outlet which is used by garrett for there T31 interstate truck range.They use this with a t31 turbine wheel and T04e comp wheel and housing.There is also another version that has the T4 bolt pattern and larger exhaust inlet but it uses a T3 turbine wheel.Ive seen an internal wastegated T4 on a rota a while back.But generally most t3's are internal wastegated.
Terry Rudd wrote: > T3's generally are integral, you've got me on that one - I don't recall ever > seeing an external T3. > > TR > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of David Andrews > Sent: Wednesday, 20 November 2002 9:46 PM > To: [EMAIL PROTECTED] > Subject: RE: T3/T4 > > Thanks Terry. Much appreciated. > > Oh last one, are all T3's integral wastegate? Or most? ( I do know how to > tell that one :) > > Cheers, > > Dave > > >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<< > > On 11/20/02, 9:17:25 PM, "Terry Rudd" <[EMAIL PROTECTED]> wrote > regarding RE: T3/T4: > > > A L20ET turbo is a T3, so is a L28ET and therefore is should be a T3/T4 > or > > 04, in fact a L20ET turbo is a very popular real good bolt on and go fast > > upgrade for a L28, I know of a 280C with one on it and it's very quick > for a > > tank. The L20ET engine isn't what you'd call "that quick". The water > > connections (holes) are the only way I know how to distinguish a T4 for > T04. > > The AR housing on a genuine Garrett turbo usually (I wont say always) has > > it's spec written on it, I think I've seen a few Nissan stamped ones with > > nothing else written on them. > > > regards > > Terry > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED]]On Behalf Of David Andrews > > Sent: Wednesday, 20 November 2002 8:57 PM > > To: [EMAIL PROTECTED] > > Subject: RE: T3/T4 > > > Well to be honest i haven't seen the turbo yet. Just going by vague > > descriptions. He says the turbo bolts to an L20ET manifold. So my gut > > tells me that its probably a T3 ex side.. would a T4 go onto an L20ET > > flange? And how can i distinguish a T4 from a T04? Aside from having two > > more holes (for water) in the middle bit? And is there anyway I can tell > > the ar housing? Will it say? Thanks, > > > Dave > > > >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<< > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[email protected]/ ---------------------------------------------------------------------
