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Monster Project 434 LSX PICS!

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Old 03-30-2009, 11:07 AM
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Fuel rails were plumbed in series?
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Old 03-30-2009, 12:08 PM
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Originally Posted by cause4panic
Fuel rails were plumbed in series?

Running a twin stage fuel system. 16 injectors. Not everything was assembled in those pictures.
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Old 03-30-2009, 02:51 PM
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Originally Posted by cause4panic
Fuel rails were plumbed in series?
They are using a injector driver box to run the other 8 injectors. They run off there own little computer with a map sensor. Basicly the other 8 injectors come on at a certain boost level and starts adding extra fuel from there. The Iinjector driver box is from Split Second.
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Old 03-30-2009, 03:14 PM
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Originally Posted by Silverado_13
We decided to work on a Sunday instead.





1.

Fuel flows into the back of 1 rail and exits the back of the other rail? I would have run them in parrallel, less chance of starving 1 cylinder.
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Old 03-30-2009, 03:18 PM
  #445  
8 sec potential, 12 sec slip
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so one rail on each side is enough to feed all those injectors? I think thats what 'cause4panic' was asking about...

*edit.. nevermind lol guess he was talking about the crossover.
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Old 03-30-2009, 04:03 PM
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http://www.youtube.com/watch?v=3IaX_Kw6qgY&fmt=18
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Old 03-30-2009, 04:05 PM
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8 sec potential, 12 sec slip
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sounds sinister!
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Old 03-30-2009, 04:25 PM
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Originally Posted by Silverado_13
You didn't post numbers on purpose?
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Old 03-30-2009, 04:31 PM
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Originally Posted by joblo1978
You didn't post numbers on purpose?
Numbers are in the video description.
Last edited by Silverado_13; 03-30-2009 at 04:41 PM.
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Old 03-30-2009, 05:06 PM
  #450  
8 sec potential, 12 sec slip
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says "Full boost by 3800 RPM. 10.5 psi numbers: 721 ft/lbs @ 4800 RPM 794 hp @ 6000 RPM "
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Old 03-30-2009, 06:01 PM
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keep on squeezin' it guys, it will go 1200+, we got faith in ya!
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Old 03-30-2009, 06:16 PM
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Originally Posted by cause4panic
Fuel flows into the back of 1 rail and exits the back of the other rail? I would have run them in parrallel, less chance of starving 1 cylinder.

You have a fuel regulator at the end. Once the fuel rails are full of fuel the regulator keeps the fuel in the rails at a certain pressure.
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Old 03-30-2009, 08:02 PM
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Maybe I'm wrong here, but from watching the throttle body, why did it seem to be at WOT for so long before RPM's went up?
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Old 03-30-2009, 08:03 PM
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Originally Posted by Floader
keep on squeezin' it guys, it will go 1200+, we got faith in ya!
****, it'll go more than that. We're changing camshafts, this one is too mild.
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Old 03-30-2009, 08:05 PM
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Originally Posted by joblo1978
Maybe I'm wrong here, but from watching the throttle body, why did it seem to be at WOT for so long before RPM's went up?
There's a water valve on it, almost like a chassis dyno brake that holds the engine at a certain RPM. Once you open the valve completely so that it's not holding the motor back, you can start the run.

It's much more complicated than that, but that's the best that I can describe it.
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Old 03-31-2009, 02:20 AM
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Originally Posted by joblo1978
Maybe I'm wrong here, but from watching the throttle body, why did it seem to be at WOT for so long before RPM's went up?
engine dynos are actually brakes. they can hold the engine at a fixed soeed no matter what the RPM. some say this gives you a more acurate BHP figure than a chassis style dyno.

Chris.
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Old 03-31-2009, 03:27 AM
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awesome build that car is going to rip can't wait to see pics of the car when its all done
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Old 03-31-2009, 06:11 AM
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Originally Posted by chuntington101
engine dynos are actually brakes. they can hold the engine at a fixed soeed no matter what the RPM. some say this gives you a more acurate BHP figure than a chassis style dyno.

Chris.
Ah! I see.
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Old 03-31-2009, 09:10 AM
  #459  
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We were focused on driveability on the street. Just way too small a cam and those world heads really flow a huge amount of air. Poor little cam just couldn't keep up. New much more agressive cam ordered and should be here by end of the week. Hope to do another run perhaps on Saturday. Sure glad all this is being done on the engine dyno....can you imagine if the motor were already installed!
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Old 03-31-2009, 01:32 PM
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Looks amazing! It should be very interesting to see how much more power the bigger cam makes. I really can't wait to see everything in the car!
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