Beyond the flow mapQuote:
Originally Posted by shack
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Beyond the flow mapQuote:
Originally Posted by shack
Yeah that one costs a lot more to fix!Quote:
Originally Posted by rick130
A little bit more than stock can be had simply through tuning, but as soon as you go beyond the turbo flow map, all you do is make extra heat and overspeed, it can work ok for short bursts of extra grunt, but as far as daily use when the extra power is needed for longer duration, you'll run into issues pretty quick.
Cheers
James
If that map that Dougal posted in the thread I linked to is correct, we can see why even the relatively cheap hybrid CHRA replacements make people happy.Quote:
Originally Posted by shack
I'm trying to limit/slow the $ outflow and was looking at a HD flexplate, upgraded TC and maybe A clutchpack next, along with an ATB in the centre diff while it was all out but a new IC is going in in the next two weeks along with an entirely new cooling system and machined and coated exhaust manifold to match up with the 3" exhaust.
A hybrid turbo and remap would be oh so nice.
Damn!
I run an allisport intercooler and Td5inside hybird turbo and remap at 28psi peak and 26psi stable and runs great those turbos can handle over 30 but your head bolts can't haha
I'm trying not to message Jose! [emoji39][emoji23]Quote:
Originally Posted by Kaaaiju
What Dougal posted is most likely correct,
(I have 1% of his knowledge and experience at best on this subject)
And I also haven't sat down and worked it out, but the problem I guess is that map is not for the turbo on the td5, and a map for one isn't publicly available, so that makes it a bit awkward to find the absolute definite maximum flow rates and pressure ratios etc.
It is however a reasonable baseline to work from in the absence of the proper thing.
Cheers
James
Pm sent....Quote:
Originally Posted by rick130
Are you just interested in peak boost pressure, or the spread and where it is in the range? I ask as a big turbo charger 50psi at 7,000rpm would be useless to me if it meant no or low boost down low. I'm running a TurboTechnics S208 VNT which gets up to around 15psi before 1,500rpm, it'll continue increasing and for most of the usable rev range will be between 19 to 25psi. 25psi is the peak I've noticed on it.
It's going to vary drastically depending on the turbo charger being used. Being an Alive Tunining unit I assume it's a hybrid turbo charger so being bigger I'd expect you to be able to achieve higher peak boost levels, but later in the rev range (compared to say a VNT).Quote:
Originally Posted by stevo
That'd depend what map tune is being run and what else has been done to suit it. It would certainly likely be beyond the standard MAF and MAP sensors ranges. There's electronic trickery to deal with this such as the turbo boost boxes for the MAP sensors, dual channel turbo boost boxes for both and Alive used to offer a generic/pattern (horrible quality) MAF sensors that had been internally modified. Better still you can now fit the OEM Mercedes Benz MAP sensor that reads a higher range and adjust the ECU tune to suit and a software clamp in the ECU tune for the MAF sensor.Quote:
Originally Posted by rick130
Quote:
Originally Posted by rick130
EDIT: apologies rick, I assumed you meant off the ECU tune MAP, not the turbocharger flow map. In this case Stevo has an Alive Tuning Hybrid turbocharger fitted so it has a different flow map which incorporates higher PSI.
VNT hybrid would be even better!Quote:
Originally Posted by rick130
Quote:
Originally Posted by rick130
Hopefully if you do he will be happy to supply you with one of his hybrid turbos, but sadly he isn't dealing out his VNTs our way - which are a far superior product.Quote:
Originally Posted by rick130
Alive Tuning are releasing a hybrid VNT soon, which is likely heavily influenced by Jose's successful units (even uses the same supplier for the impellers), which might be more accessible for those of us here in Australia.
Hello Everybody, have adjusted it to around 24 PSI does peak at 27 but one thing I have noticed is the EGTs are running lower but further testing is needed up through the Moonie Moonie or something with hills. it does have a bruce davies remap from along time ago.