the 57mm s200 sxe is rated at 650 hp
should be a quick single
a 69mm is too big for only 600 hp
There was a thread that mentioned a small garret secondary and inter stage cooling. Mikeismad maybe? I wonder how that ended up.
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The K27 we use in our towing compound turbo kit has a 58mm compressor and the turbine is very similar in size to the HX35 and/or 351cw which are all smaller than the common Borg options with a 65mm turbine or the newer 68mm turbine used in other common towing kits.
In testing, the K27 setup has a slight spool advantage over the He351cw, close enough though that it almost takes a dyno to show the lag difference. As far as power, the K27/369sxe makes a ton more power than my old HX35/HT60 setup I ran several years ago.
I think you'll do just fine with the 351cw/369sxe compound setup. I'd recommend you keep the internal wastegate on the 351cw and use it!!! Porting the wastegate is optional at that 650HP power level, if you like to tinker, port-it, if you don't, I wouldn't waste the time opening up the port.
FYI, we looked closely at the S200 SXE's for our compound kit, and the lack of a factory 360 thrust bearing scared us away since the high pressure turbo in compound turbo kits always seem to struggle with thrust bearing life.
What was the turbine housing cm?The K27 we use in our towing compound turbo kit has a 58mm compressor and the turbine is very similar in size to the HX35 and/or 351cw which are all smaller than the common Borg options with a 65mm turbine or the newer 68mm turbine used in other common towing kits.
In testing, the K27 setup has a slight spool advantage over the He351cw, close enough though that it almost takes a dyno to show the lag difference. As far as power, the K27/369sxe makes a ton more power than my old HX35/HT60 setup I ran several years ago.
I think you'll do just fine with the 351cw/369sxe compound setup. I'd recommend you keep the internal wastegate on the 351cw and use it!!! Porting the wastegate is optional at that 650HP power level, if you like to tinker, port-it, if you don't, I wouldn't waste the time opening up the port.
FYI, we looked closely at the S200 SXE's for our compound kit, and the lack of a factory 360 thrust bearing scared us away since the high pressure turbo in compound turbo kits always seem to struggle with thrust bearing life.
Thanks for sharing. What housing are you using on the 369?