Show me some dyno print outs

[ste91]

And another league again for common rail injection I expect?

Don't get me wrong here I'm impressed with this 180bhp L series, it's a big step forward in progress as most are stuck with the standard turbo and we finally have some proven results from a bolt on hybrid turbo, I think you guys were stuck at a similar point with XUD's before, and then suddenly everyone's coming out with big turbos/etc...?

I'm keeping an eye on the MG/R forum from the guy who's running this 180bhp L series to see how it fares with long term reliability as all previous attempts at hybrid turbos just gave head lift/HGF issues and not really that much of a power gain, I think the highest was something like 170bhp but it didn't last very long. However that was basically a standard GT15 with a bigger comp wheel - bad recipe for EMP, whereas this hybrid uses a much bigger turbine housing.

Tuned XUD's seem to be pretty strong apart from the occasional thrown rod?

Yeah, common rail gives you all the benifits of DI, and the added benifit of such extreme injection pressure, and such PRECISE timing of injection, the control you have over common rail is just insane compared to mech injection, hence much cleaner results can be had, and alot more power can be made...

Hybrid turbos are good in theory, but personally id rather find a turbo from another suitable vehicle (bigger diesel) and make the complete unit fit, for many reasons, one, because its cheaper, two because if it pops, you can just get another off the shelf the same, and 3 because I just dont like hybrids in general!

The only real issues with the XUD when your tuning them to around 200hp are conrods and head studs, both of which can be resolved, but will cost you. That said, sometimes rods seem to be fine at higher power, just depends on the state of tune / luck at the best of times tbh.... Ive never seen in the bottom end of one of those L series motors, what are the rods in them like?

Well I would like to try something like a GT2052/56 on an L series, and if I don't manage to get hold of one of these hybrids then that's what I'll be trying - I think it'll be more suited than a TD04 and still make "enough" power for me at the top end. I agree totally with what you're saying about off the shelf turbos, which is why I'm such a fan of TD04's, there are a few people in the process of fitting them to the L series but progress is slow.

As far as I know, the rods are pretty strong, these engines are known for being able to take a lot of abuse, I don't know of any ones that have suffered real mechanical failure other than ones that have been driven through water and ended up with bent rods.
My last L series survived a run away!

There has been the odd HGF on high mileage engines and of course head lift but that's self inflicted.