Marcus Posted March 17, 2015 Share Posted March 17, 2015 Hi all, I've been considering multiple engine swaps recently and have stumbled upon the information that for a small period the mg ZT and rover 75 used a low boost turbo k series engine (see attached image). I know several people have done t series transplants for big power but no one seems to have tried a k series turbo transplant. The standard motor only has 160bhp but a t25 turbo bolts straight onto the standard manifold and with some minor tweaking should be close to 190-200bhp. I know this is achievable with an NA engine, but this will be a fairly low stress setup with a nice amount of torque. My main concern at this point it - why has no one done this before? Link to comment Share on other sites More sharing options...
russelld Posted March 17, 2015 Share Posted March 17, 2015 No room for the blower without cutting a hole in the bulkhead ? Link to comment Share on other sites More sharing options...
dobbo Posted March 17, 2015 Share Posted March 17, 2015 There is info on SELOC about a K-series turbo. For me, the two issues are 1 - can a K take a turbo (reliably) and 2 - do you want a turbo even closer to you (through a modified firewall) ??? What power / torque are you after ? It's easy enough to get to 200+bhp and 150lbft torque with a NA K-series. If you want more, you need to look at the options. T-series (turbo) K-series (turbo) Duratec NA (I think) Honda (NA or SC) Audi (turbo) The last 3 have commercially available options. No-one has done a commercial option for the T or K. I think there's probably a reason for that.... One thing I've never understood is why the Toyota or VXT engines (and subframes) have never been tried in the S1. Does it just not fit ? Link to comment Share on other sites More sharing options...
Alex B Posted March 18, 2015 Share Posted March 18, 2015 Chris, I think the reasoning behind not trying the yoga lump in an s1 is its a lot of work and the k20 is a stronger engine. A vxlump would be interesting. Although you missed one potential option off, K series with a supercharger as this does has a commercially available option. Link to comment Share on other sites More sharing options...
DeanB Posted March 18, 2015 Share Posted March 18, 2015 Wouldn't keeping it cool be an issue, bearing in mind it is mid mounted with undertrays? I know Lotuz struggled a bit to keep the VX turbo cool enough during it's development. Link to comment Share on other sites More sharing options...
@ndy Posted March 18, 2015 Share Posted March 18, 2015 Don't waste your time on a turbo, Stick with a NA K-Series, they are great engines but I am biased...... Link to comment Share on other sites More sharing options...
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