2nd Generation Specific 1986-1992 Discussion

ARC TMIC and turbo question

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Old 12-21-2007, 06:00 AM
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Hey guys,



i have got an ARC TopMount intercooler long time ago, still not installed yet. I wonder if its big enough for my mods i am going to do in the future.

ok, i plan on doing about 360whp.

my car is well streetported, stock turbo operating at 0,9 kg/cm².. with stock IC right now my Power FC tells me Intake Temps of max. 55°C under WOT.

The ARC is supposed to handle up to 350whp.. well, we all know that HP isnt everything, because it depens on many other factors.

The ARC is 70mm thick and has a better flow, well thats what ARC tells me and other people on the web..

Should i stick with the ARC, or put a BUNCH of money for a V-Mount? FMICs or V-Mount is very expensive, so i wonder if its necessary or not.

So i want to ask you guys, how high my intake temp should be at MAX, because i dont want to risk detonation.. i have asked countless people due to max. temperature, and they all told me that 50°C is just ok, but those people are running piston engines, so i dont know what the max. temp for a rotary engine should be!



Since my car will be operated at canyon and circuit races, i dont want to block my watercooler with a FMIC, so the only options are Vmount or Top mount only (and just because of the less piping from turbo to throttlebody)



also, i wanted to know if a BNR3/4 is enough for up to 8000rpm? since i live in germany, i want to run max speeds at the highway anyway, therefor it would be nice having a turbo which operates good at lower rpm AND up to 8000rpm.



8000rpm = ~ 167mph
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Old 12-26-2007, 08:02 PM
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i dont think many people have much experiance with the arc topmount as it is quite rare here.



i would assume it has more cooling capacity than stock, but again it is still sitting ontop of the hot engine with not too much air going through it. i would imagine it would be succeptable to major heatsoak like the stock ic. but this is all speculation and not hard facts.
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Old 12-27-2007, 04:50 PM
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55C is fine. Add water methanol and call it a day!



I would never EVER run any type of hybrid for long power runs, or high speed pulls. Egts would be through the roof with that tiny turbine housing. Get a Full To4...
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Old 01-05-2008, 12:03 AM
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Originally Posted by zRotary' post='890546' date='Dec 21 2007, 08:00 AM
Hey guys,



i have got an ARC TopMount intercooler long time ago, still not installed yet. I wonder if its big enough for my mods i am going to do in the future.

ok, i plan on doing about 360whp.

my car is well streetported, stock turbo operating at 0,9 kg/cm².. with stock IC right now my Power FC tells me Intake Temps of max. 55°C under WOT.

The ARC is supposed to handle up to 350whp.. well, we all know that HP isnt everything, because it depens on many other factors.

The ARC is 70mm thick and has a better flow, well thats what ARC tells me and other people on the web..

Should i stick with the ARC, or put a BUNCH of money for a V-Mount? FMICs or V-Mount is very expensive, so i wonder if its necessary or not.

So i want to ask you guys, how high my intake temp should be at MAX, because i dont want to risk detonation.. i have asked countless people due to max. temperature, and they all told me that 50°C is just ok, but those people are running piston engines, so i dont know what the max. temp for a rotary engine should be!



Since my car will be operated at canyon and circuit races, i dont want to block my watercooler with a FMIC, so the only options are Vmount or Top mount only (and just because of the less piping from turbo to throttlebody)



also, i wanted to know if a BNR3/4 is enough for up to 8000rpm? since i live in germany, i want to run max speeds at the highway anyway, therefor it would be nice having a turbo which operates good at lower rpm AND up to 8000rpm.



8000rpm = ~ 167mph




Hey ZROTARY, let me know if you decide to get rid off the topmount ARC. I'm running a stock fc setup with a blitz intake, the arc should work well for me. email me at ephil0954@aol.com.
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Old 01-06-2008, 09:54 AM
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hey guys, thank you very much for your replys.



Well, a T04 would be sweet.. but its as double expensive as the BNR4. you need the T04 itself, a exh.manifold, possibly extern WG, downpipe, oil and water lines etc. the T04 itself is around 1500$ am i right? The BNR4 is around 925$ and is plug and play.



so i could blow the BNR4 and get another for the money lol, but these are the financial suspects only.



What is the problem of a Hybrid by highspeed runs? exsessive heat to the turbine housing so that it could get cracks??



@BAD7



Well.. its the IC only, without holding bracket and throttlebodypipe.. its not plug and play.. i got a greddy compression tube, but thats different to the ARC one.. so modification is needed. What would you pay for the IC if you are interested?

A new one from Japan is around 750$ (Holy ****...)
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Old 01-06-2008, 01:34 PM
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Originally Posted by zRotary' post='891619' date='Jan 6 2008, 10:54 AM
hey guys, thank you very much for your replys.



Well, a T04 would be sweet.. but its as double expensive as the BNR4. you need the T04 itself, a exh.manifold, possibly extern WG, downpipe, oil and water lines etc. the T04 itself is around 1500$ am i right? The BNR4 is around 925$ and is plug and play.



so i could blow the BNR4 and get another for the money lol, but these are the financial suspects only.



What is the problem of a Hybrid by highspeed runs? exsessive heat to the turbine housing so that it could get cracks??



@BAD7



Well.. its the IC only, without holding bracket and throttlebodypipe.. its not plug and play.. i got a greddy compression tube, but thats different to the ARC one.. so modification is needed. What would you pay for the IC if you are interested?

A new one from Japan is around 750$ (Holy ****...)
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Old 01-06-2008, 01:38 PM
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Originally Posted by zRotary' post='891619' date='Jan 6 2008, 10:54 AM
hey guys, thank you very much for your replys.



Well, a T04 would be sweet.. but its as double expensive as the BNR4. you need the T04 itself, a exh.manifold, possibly extern WG, downpipe, oil and water lines etc. the T04 itself is around 1500$ am i right? The BNR4 is around 925$ and is plug and play.



so i could blow the BNR4 and get another for the money lol, but these are the financial suspects only.



What is the problem of a Hybrid by highspeed runs? exsessive heat to the turbine housing so that it could get cracks??



@BAD7



Well.. its the IC only, without holding bracket and throttlebodypipe.. its not plug and play.. i got a greddy compression tube, but thats different to the ARC one.. so modification is needed. What would you pay for the IC if you are interested?

A new one from Japan is around 750$ (Holy ****...)




Yes, I'm interested. I have not seen the condition of the ARC and they're missing parts? I'm looking for something better than factory and not having to go all out with a front mounted IC (I have no mods other than the intake) it's a daily driver. Only you can price what you have. Give me a good deal and I will buy it. Thanks

BAD7
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Old 01-07-2008, 11:13 AM
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Originally Posted by zRotary' post='891619' date='Jan 6 2008, 11:54 AM
hey guys, thank you very much for your replys.



Well, a T04 would be sweet.. but its as double expensive as the BNR4. you need the T04 itself, a exh.manifold, possibly extern WG, downpipe, oil and water lines etc. the T04 itself is around 1500$ am i right? The BNR4 is around 925$ and is plug and play.



so i could blow the BNR4 and get another for the money lol, but these are the financial suspects only.



What is the problem of a Hybrid by highspeed runs? exsessive heat to the turbine housing so that it could get cracks??




To4E's are $800, bigger ball bearing To4s are in the $1500 range. A full to4 peforms so much better than any hybrid, you will be surprised at how laggy some of those bigger hybrids are. Long high speed pulls will overtemp the chra and destroy undersized turbos. Not to mention its a lot harder on the motor, and much easier to blow an engine with excessive backpressure. Its going to cost you more in the end to keep doing it wrong.
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Old 01-07-2008, 12:05 PM
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oh i see, what is the range of a T04E?from 5000-8000 would be fine!
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Old 01-07-2008, 12:35 PM
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Sized correctly, 3-7500rpms in my experience.
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