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Originally Posted by lsturbointeg
so $1500 all together with no benefits whatsoever? sorry to hear that!
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Ha, when you put it like that it sounds a lot more rough
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Originally Posted by 747flyboy
Sleeping giant. Mentioned earlier, couple it with M5 DP's and exhaust. Open the JB S2 to maximum boost with waste gate posotion 1 and pure 100 octane with a can of TORCO and there you got it. 548RWHP
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I've been considering upping my boost a bit, maybe targeting 98 octane with an E85 mix. But nowhere near your levels!
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Originally Posted by BCK2BLN
I personally didn't want to bother with any turbo upgrade on my N63 simply for the fact that there is no actual tune available.
No point in adding more air if you can't control it, that's pretty much the bottom line. BMS gets the job done in stock form but it's in no way a 'tune' but a workaround. From what I understand from Terry@BMS is that how the N63 piggyback works is, in the boost on S2 is only going to retard the timing more and cause the computer to make adjustments. Being that the engine/components work more than they actually need to because it's compensating for what is supposedly being 'loss' since it tricks the ECU into thinking it's being 'under-boosted.'
On top of that, I would not run Torco daily. You're better off doing a 40% E85 mix, it's cheaper too.
It's been proven that Torco or any Octane booster has negative effects (research all over the net) while there are no facts regarding E85 usage as long as it doesn't sit in the tank for a long time but that's the same with any fuel.
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Yup, I knew I wouldn't be adding more air/boost, was just hoping to see more increases due to the better design (efficiency) of these turbos. But I bet it would only show as a small increase on the dyno after driving around on these for a while.
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Originally Posted by MissionPerformance
Yep that is right. Also because these turbos have diverter valve, they won't work on N63tu as plug and play.
If OP want to get rid of them, we will gladly buy those turbos and adapt them to work on Tu since we already have a proper time for those.
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I'm considering that option, I will contact you guys first if I decide to pull them.
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Originally Posted by lsturbointeg
It's always great to hear people try new things and it's always a platform for others to follow. This would have been a great upgrade if it worked! Appreciate you trying!  I've been contemplating for next year to upgrade my turbos to the Pure2 upgrade and see if MP can tune it? We'll see! |
I didn't find a lot of information on these so I wanted to share my experiences, hopefully it'll come in useful to someone in the future. If only I could have a flash tune to go along with them
If you can get a flash tune I would definitely do turbos, it's amazing how much they help on those 6 cyls
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Originally Posted by UA_civ_eng
548 rwhp? I'm not a pro on this stuff, but that sounds like a stretch to me. What I would bet money on is no gains in that situation being contributed to the Alpina turbos. Lastly, even if the car did put down those numbers with the mods you mentioned, the original poster was probably hoping for daily driving power gains, not just when running race fuel.
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Last time I checked his thread I think he was pushing +11psi over stock, where the normal BMS S2 only does +2psi, so I definitely wouldn't doubt it haha. When you're going up in boost that much I bet you would definitely see a little bit more of an increase with these installed since the stock turbos are probably designed to be optimal around stock boost levels.
But yup, running more than 100 octane is pretty crazy for my goals right now haha