Guest Fred Posted April 20, 2004 Share Posted April 20, 2004 Im in the unfurtunate position of having my primary turbo faiil on my Jap Supra Mk IV. My question is this: The Jap has the ceramic turbos and the UK spec are steel and slightly bigger. Can anyone tell me if the UK spec turbos will fit the Jap manifold? Thanks Link to comment Share on other sites More sharing options...
Scooter Posted April 20, 2004 Share Posted April 20, 2004 Fred from what i've heard they will not fit the manifold, but a whole uk + manifold will bolt onto the j-spec block....... Link to comment Share on other sites More sharing options...
Roy Posted April 20, 2004 Share Posted April 20, 2004 boy - is this becoming common or what ? Link to comment Share on other sites More sharing options...
Scooter Posted April 20, 2004 Share Posted April 20, 2004 lots of info here Link to comment Share on other sites More sharing options...
dangerous brain Posted April 20, 2004 Share Posted April 20, 2004 So would the UK turbo's complete with manifold (and downpipes??) produce the 326 bhp out of the j-spec engine or not? Also does fuel management need to be altered in any way if you do this? Link to comment Share on other sites More sharing options...
Guest Fred Posted April 20, 2004 Share Posted April 20, 2004 From what I understand, as the turbos are slightly bigger, the power output is slightly higher than the jap spec although obviously spin-up speed is slower. Since my first post, I've found out that to fit the UK spec you need the UK manifold and the first downpipe as well. Link to comment Share on other sites More sharing options...
Nic Posted April 20, 2004 Share Posted April 20, 2004 The UK turbos are smaller than the J-spec turbos. Have a look at the spec page here: http://www.mkiv.co.nz/ for details. Link to comment Share on other sites More sharing options...
Guest Fred Posted April 20, 2004 Share Posted April 20, 2004 Ahh, I've been misinformed again! Link to comment Share on other sites More sharing options...
eyefi Posted April 20, 2004 Share Posted April 20, 2004 i'd stick with the jspecs. how did it fail? bearing, over revving or did something hit the turbine? Link to comment Share on other sites More sharing options...
michael Posted April 20, 2004 Share Posted April 20, 2004 To fit UK's on a J you need the turbos, manifold and first downpipe. Link to comment Share on other sites More sharing options...
michael Posted April 20, 2004 Share Posted April 20, 2004 Originally posted by eyefi i'd stick with the jspecs. how did it fail? bearing, over revving or did something hit the turbine? While you are here.... On the other thread you advertised 3 sets of turbos for sale, out of interest is there any difference in the ones from the VVTi car over the normal J's? Link to comment Share on other sites More sharing options...
Guest Fred Posted April 20, 2004 Share Posted April 20, 2004 It went under medium accelaration, power just died and tubos no longer spun. It appears the shaft on the primary has gone. Car runs 406BHP and I'm advised that this strains the ceramics a bit. Not being an engineer I couldnt say myself. On the subject of prices, best price I've been quoted so far is 450 inc for a pair of 45000 KM j-specs. Seems a bit pricy. Anyone got any ideas of what is a fair price? Link to comment Share on other sites More sharing options...
eyefi Posted April 20, 2004 Share Posted April 20, 2004 Originally posted by Fred On the subject of prices, best price I've been quoted so far is 450 thats ok, if they have been looked after (stored well). Link to comment Share on other sites More sharing options...
eyefi Posted April 20, 2004 Share Posted April 20, 2004 Originally posted by mcanny While you are here.... On the other thread you advertised 3 sets of turbos for sale, out of interest is there any difference in the ones from the VVTi car over the normal J's? not that's visable. ive never heard of any differences either. Link to comment Share on other sites More sharing options...
michael Posted April 20, 2004 Share Posted April 20, 2004 Originally posted by eyefi not that's visable. ive never heard of any differences either. Cheers, just trying to fill my head up with information and I've wondered about that one for a while but never bothered to check the part numbers on the EPC Link to comment Share on other sites More sharing options...
Chris Wilson Posted April 21, 2004 Share Posted April 21, 2004 Originally posted by mcanny While you are here.... On the other thread you advertised 3 sets of turbos for sale, out of interest is there any difference in the ones from the VVTi car over the normal J's? yes, VVti assemblies are different. IMO it's best to buy new J-Spec ones and stay ceramic... Link to comment Share on other sites More sharing options...
eyefi Posted April 21, 2004 Share Posted April 21, 2004 Originally posted by Chris Wilson yes, VVti assemblies are different. which bits chris? Link to comment Share on other sites More sharing options...
Paul Laing Posted April 21, 2004 Share Posted April 21, 2004 Contact Michel Lane, i'm sure he had some UK turbo's for sale with 32,000 miles on them. He also had the manifold etc. Paul Link to comment Share on other sites More sharing options...
Branners Posted April 21, 2004 Share Posted April 21, 2004 thought this might be a good point to highlight this thread http://www.mkivsupra.net/vbb/showthread.php?s=&threadid=680&highlight=turbo it shows the difference in size on the turbos. JB Link to comment Share on other sites More sharing options...
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