gavin.starr Posted February 15, 2016 Share Posted February 15, 2016 I have a HKS T04Z turbo with a divided exhaust housing and a non divided exhaust manifold, I've read somewhere that it is not the best setup to run as the divide on the turbo exhaust housing can get worn away and potentially crack the housing. Can any one shed some definitive light on the area, as the manifold is constructed quite well it just has some bolt alignment issues that i have managed to correct it seems a shame to bin it in favor of a divided one. Would it be more favorable to buy a new turbo exhaust housing? I dunno. Any help would be great, Thanks Gav Quote Link to comment Share on other sites More sharing options...
Wez Posted February 15, 2016 Share Posted February 15, 2016 I have run a divided exhaust housing on a non divided cast manifold and the divider did crack. Didn't seem to cause an issue but when ordering a replacement housing I opted of an open non divided unit. I would never recommend using a divided gasket in a non divided setup as it could end up through the turbo. Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted February 15, 2016 Author Share Posted February 15, 2016 Any idea of where would be best to get a replacement housing from as that was going to be my next point of call. Quote Link to comment Share on other sites More sharing options...
Wez Posted February 15, 2016 Share Posted February 15, 2016 Any idea of where would be best to get a replacement housing from as that was going to be my next point of call. Depends on the turbo, mine is an old PHR T60-1 so I contacted PHR and they sourced me a replacement. Quote Link to comment Share on other sites More sharing options...
Nic Posted February 16, 2016 Share Posted February 16, 2016 Any idea of where would be best to get a replacement housing from as that was going to be my next point of call. The T04Z is made for HKS by Garrett, I would expect a standard Garrett turbine housing to fit but I don't know for sure. http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Store_Code=tp&Product_Code=GRT-TBO-055&Category_Code=GTB http://www.atpturbo.com/mm5/merchant.mvc?Screen=CTGY&Store_Code=tp&Category_Code=GTH Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted February 16, 2016 Author Share Posted February 16, 2016 Cheers guys Ill have to do some serching today and see what i can find Quote Link to comment Share on other sites More sharing options...
Pudsey Posted February 16, 2016 Share Posted February 16, 2016 (edited) http://www.mkivsupra.net/vbb/showthread.php?327195-Hair-line-crack-on-HKS-T04Z-Turbo-Housing-what-to-do&highlight=Brazil Luiz had this very issue, discovered when he parted the turbo from the manifold. Some pictures of the issue are within the thread, and he may be able to help what he did to resolve the problem. Edited February 16, 2016 by Pudsey (see edit history) Quote Link to comment Share on other sites More sharing options...
jcbt Posted February 16, 2016 Share Posted February 16, 2016 Any idea of where would be best to get a replacement housing from as that was going to be my next point of call. Ask Lee at SRD he is a HKS authorised trader. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted February 16, 2016 Share Posted February 16, 2016 IMO it is essential to ONLY use turbos with a turbine housing cast in high nickel content cast iron. Most are not, and some are even diesel turbine housings, designed for FAR lower EGT's. Garrett specify which turbos are available with these high nickel content housings, and they call the material Ni-Resist. It doesn't crack, doesn't scale and flake and erode the turbing wheel, and doesn't warp at the manifold flange. Volvo owners are bolting cheap Holset turbos on, which are diesel turbos, then wondering why the turbine wheels look like a rat has chewed them, and why they warp and crack. As for the junk on Ebay, well, it's not even worth considering, just a waste of time. It's this sort of stuff that makes for a reliable build or a host of issues that leave you fed up and breaking the car. Quote Link to comment Share on other sites More sharing options...
j_jza80 Posted February 16, 2016 Share Posted February 16, 2016 A quick fix may be to install a quick spool valve. They bolt directly on to a t4 undivided flange, and should be compatible with a twinscroll housing. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted February 16, 2016 Share Posted February 16, 2016 Arghhhh! Please check what these "things" are made of first....!!! Quote Link to comment Share on other sites More sharing options...
gavin.starr Posted February 16, 2016 Author Share Posted February 16, 2016 I have thought about it but in all honesty like chris says the need to be made of propper stuff, Plus if stick a plate between the turbo housing and the manifold (usually around 10mm thick) it will throw out all of the pipework for the plumbed back in wastgate pipe . All i need is the exhaust side of the housing as an open type to replace my divided type just to keep things simple. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted February 16, 2016 Share Posted February 16, 2016 If you send the turbine housing to Turbo Dynamics, Turbo Technics or Owen Developments they should be able to say if a none divided housing is available. You could ring them and ask if a photo might save wasted time and P&P charges. Quote Link to comment Share on other sites More sharing options...
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