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turbo diesel extractors
Posted: Fri Aug 27, 2004 12:19 pm
by 4runna
Anyone know if they're available? or possible?
the 2.8 has got a cracked manifold and will need replacing soon ($400 ex japan) so I'm just curious as I haven't had any positive responses yet!
Rob.
Posted: Fri Aug 27, 2004 1:20 pm
by -Scott-
I think the closest equivalent to "turbo extractors" would be a "split pulse" manifold (which typically requires a matching turbine housing) or a manifold with all runners equal length. And shorter isn't necessarily better...
Approach some of the bigger names in aftermarket turbocharging - they may have manifolds which will out-perform stock units.
Cheers,
Scott
Posted: Fri Aug 27, 2004 1:21 pm
by Bitsamissin
Extractors per say won't work on the 2.8 TDI.
The reason is that you have an exhaust manifold specifically designed for the turbo. Extractors don't work with a turbo.
You will have to replace the manifold with a factory unit or try and find an aftermarket one that is made out of better material and may flow a little better.
Posted: Fri Aug 27, 2004 1:25 pm
by 4runna
Yeah Frank, sorta what I was thinking.
I might go grab some braising rod and fix it up for now and and suss out your thought a bit more Scott,
Ta guys
Posted: Fri Aug 27, 2004 10:29 pm
by GREGGO
Hey 4Runna, surely one of the local exhaust shops that specialize in extractors for the turbo hot fours scene could knock you up a stainless steel manifold at a fair price. Or if you had the time you could replicate the genuine manifold out of steam pipe bends.