ninja12
Needs a job
Posts: 3310
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posted February 14, 2009 07:51 PM
gm 3 bar and hub setup
I keep hearing about turbo bikes with this setup.
Can anyone tell any details, when it's needed, why it's better.
How it's wired. Any other details?
  
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Bad in Black
Expert Class
Posts: 348
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posted February 15, 2009 03:20 AM
I'm still learning turbo's myself. The more power/boost you want, the more advanced the electronics and engine work thats needed. A simple stage 1 low boost kit on a stock motor is one thing.....when you start adding multi stage boost controllers/map sensors/hubs/igniton retards ect you usually do that on fairly heavily modified motors. It all depends on what you're shooting for with your bike. You won't need those on a stage 1 kit on a stock motor.........but anything more and you will 
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dubious
Needs a life
Needs more time to ride!
Posts: 8442
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posted February 15, 2009 07:08 AM
 Edited By: dubious on 15 Feb 2009 15:09
The FMU supplied with most kits will take up the fueling on various boost levels, but to fine tune the drivability, you are on the right path using the 3 bar map sensor and the hub.
I am not familiar with that set up, have not used it or wired it,but did read about it when I had the hub and LCD.
I also can not state how reliable it is.
Some have had problems with the hub or LCD, such as flyboy and a few others including myself.
You still need the FMU preferably rising rate not 1:1,
1:1 is used if you are running a custom 2nd fuel rail and 8 injectors.
However, the hub is appears to be one of the least expensive ways to refine the fueling on boost, and the stock injectors will be sufficient for about 330 HP with ~ 100 psi fuel pressure.
Lyle
____________
natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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