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General Information => General => Topic started by: rabbitman on November 20, 2009, 04:14:58 pm

Title: So how does this work??
Post by: rabbitman on November 20, 2009, 04:14:58 pm
Dodge Ram cummins drag racer (http://www.youtube.com/watch?v=u2WVBP1QYd0#)

Notice how he's blowin' black in neutral? I can blow black just by flooring it for a second but he just goes on and on! And his turbo appears to spool up before he loads the engine. And then he goes kinda fast...... ;D
Title: Re: So how does this work??
Post by: Patrick on November 20, 2009, 04:28:37 pm
I'd bet he's running an automatic, truck is in gear with the brakes on. Needs time to heat things up so the turbo will spool..........
Title: Re: So how does this work??
Post by: rallydiesel on November 20, 2009, 06:35:51 pm
Not to mention he's probably running compound turbos with over 100 psi and retarded amounts of fuel being dumped into the cylinders.
Title: Re: So how does this work??
Post by: catlin_cava on November 20, 2009, 06:48:12 pm
His passenger side headlight has been removed and is being used as a ram air set up.
Title: Re: So how does this work??
Post by: rabbitman on November 20, 2009, 08:10:47 pm
Quote from: Patrick on November 20, 2009, 04:28:37 pm
I'd bet he's running an automatic, truck is in gear with the brakes on. Needs time to heat things up so the turbo will spool..........

ahhhh.........poor tranny :-\
Title: Re: So how does this work??
Post by: Turbinepowered on November 22, 2009, 04:20:05 am
Quote from: rabbitman on November 20, 2009, 08:10:47 pm
Quote from: Patrick on November 20, 2009, 04:28:37 pm
I'd bet he's running an automatic, truck is in gear with the brakes on. Needs time to heat things up so the turbo will spool..........

ahhhh.........poor tranny :-\

Life span measured in minutes.  >:(
Title: Re: So how does this work??
Post by: 745 turbogreasel on November 22, 2009, 05:09:08 am
Only if your torque converter isn't up to the task.
Quote
What Is a Trans Brake?

Available for most popular automatic transmission applications from companies like TCI for between $400 and $500, a trans-brake conversion consists of a few (reversible) case modifications and a specially modified valve body that's equipped with an electric solenoid. A driver-operated pushbutton triggers the solenoid to move a shuttle valve, causing the transmission's hydraulic circuitry to engage First and Reverse gears at the same time. If this sounds like a recipe for self-destruction, remember the car is not in motion when the activation button is depressed. With the transmission input-shaft effectively locked, the driver then mashes the accelerator pedal to the floor, giving the torque converter no option other than to slip until its absolute stall speed is reached. When the light turns green, the driver releases the activation button and the car explodes off the line. Once moving, the driver upshifts the transmission in the usual way.
Title: Re: So how does this work??
Post by: burn_your_money on November 22, 2009, 07:30:05 am
You'll want to make sure you have some good tranny fluid and cooling capabilities.