compound turbos?

persicutor · 10-22-2007, 10:47 PM

how many people are running a compound turbo setup here and what kind of boost are you running?

RyanB · 10-22-2007, 10:50 PM

Quote:

Originally Posted by persicutor

how many people are running a compound turbo setup here and what kind of boost are you running?

I am!! I am pegging the 100psi boost guage and figure its only around 105-110psi as my drive pressure is just under 100psi and at around 85psi drive pressure I am seeing just a hair over 95psi of boost.

***Graphic Man*** · 10-23-2007, 06:51 AM

around 70 psi of boost and around 70-80 drive pressure

Scott

__________________
08 Mega cab is on it's way
SOLD01 4X4 Q-cab Sport Monster VP, Redline Injectors, twins 66/S480 with race cover, full billet trans etc,
Special thanks to: Redline diesel and Diesel Dr.s

Diesel Nut · 10-23-2007, 06:57 AM

BD twins, set at 74 psi currently.

smokinhawk · 10-23-2007, 10:21 AM

what does that sound like?

__________________
1999 TurboTransAm - 11.7@135 on street tires
2003 Yamaha R6 - 10.7@124
looking for a 2.5 gen Ram 2500 4x4 cummins

***BBRam*** · 10-23-2007, 10:27 AM

Quote:

Originally Posted by Diesel Nut

BD twins, set at 74 psi currently.

Same here at 60+psi.

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persicutor · 10-23-2007, 12:32 PM

nice, Ive always liked the compound turbo setups. Now, after how much boost do you generally have to upgrade the internals? and what about things like headbolts, and hardpipes etc? Also, I calculated that at 70+ psi of boost, the outlet temp of the air is close 300 degrees celsius. Are you guys also using water to air intercoolers ?

**dave@BD Power** · 10-23-2007, 12:37 PM

Quote:

Originally Posted by RyanB

I am!! I am pegging the 100psi boost guage and figure its only around 105-110psi as my drive pressure is just under 100psi and at around 85psi drive pressure I am seeing just a hair over 95psi of boost.

WOW, that is a lot of boost Ryan, what mods are you running, fill in your signature for us please.

__________________
03 Dodge Ram 2500 "Reg Cab"
Fuel: BD X-Tuner - BD X-Power - Max Flow Lift Pump
Air: BD Super-B Turbo - BD Intercooler - Dual X-Hale Exhaust - BD Exhaust Manifold - BD X-Power Intake Elbow - Ice Box Air Intake
Power Train: BD Transmission - BD Low Stall Convertor

Dave Dias
dave@bernhausendiesel.com

***Graphic Man*** · 10-23-2007, 12:51 PM

Quote:

Originally Posted by dave@BD Power

WOW, that is a lot of boost Ryan, what mods are you running, fill in your signature for us please.

pro built motor for his pulling truck.......1 nice rig :thumbsup

__________________
08 Mega cab is on it's way
SOLD01 4X4 Q-cab Sport Monster VP, Redline Injectors, twins 66/S480 with race cover, full billet trans etc,
Special thanks to: Redline diesel and Diesel Dr.s

**dave@BD Power** · 10-23-2007, 01:03 PM

Quote:

Originally Posted by Graphic man

pro built motor for his pulling truck.......1 nice rig :thumbsup

No kidding, very impressive

__________________
03 Dodge Ram 2500 "Reg Cab"
Fuel: BD X-Tuner - BD X-Power - Max Flow Lift Pump
Air: BD Super-B Turbo - BD Intercooler - Dual X-Hale Exhaust - BD Exhaust Manifold - BD X-Power Intake Elbow - Ice Box Air Intake
Power Train: BD Transmission - BD Low Stall Convertor

Dave Dias
dave@bernhausendiesel.com

persicutor · 10-24-2007, 09:13 PM

how do the flow rates work with compounds? you cant just add the flow rates of both turbos together right?

and do regular tbolt clamps work at these high boost pressures, or are constant tension spring loaded ones needed?

smokinhawk · 10-25-2007, 09:17 AM

you would think you needed vband connections for over 70psi.
anyone have a sound clip of one?

__________________
1999 TurboTransAm - 11.7@135 on street tires
2003 Yamaha R6 - 10.7@124
looking for a 2.5 gen Ram 2500 4x4 cummins

10-22-2007, 10:47 PM	#1 (permalink)
persicutor Newbie Join Date: Oct 2007 Posts: 4 Thanks: 0 Thanked 0 Times in 0 Posts persicutor's Truck Pics	compound turbos? how many people are running a compound turbo setup here and what kind of boost are you running?

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10-23-2007, 06:51 AM	#3 (permalink)
*Graphic Man* Go for Broke Join Date: Nov 2005 Location: Mississauga ont. Canada Posts: 7,808 Thanks: 1 Thanked 14 Times in 13 Posts Graphic Man's Truck Pics	around 70 psi of boost and around 70-80 drive pressure Scott __________________ 08 Mega cab is on it's way SOLD01 4X4 Q-cab Sport Monster VP, Redline Injectors, twins 66/S480 with race cover, full billet trans etc, Special thanks to: Redline diesel and Diesel Dr.s

10-23-2007, 06:57 AM	#4 (permalink)
Diesel Nut Diesel Head Join Date: Jun 2006 Location: Sacramento, CA Posts: 4,605 Thanks: 13 Thanked 26 Times in 20 Posts Diesel Nut's Truck Pics	BD twins, set at 74 psi currently.

10-23-2007, 10:21 AM	#5 (permalink)
smokinhawk Cummins Fan Join Date: Oct 2007 Location: Piqua, OH Posts: 60 Thanks: 0 Thanked 0 Times in 0 Posts smokinhawk's Truck Pics	what does that sound like? __________________ 1999 TurboTransAm - 11.7@135 on street tires 2003 Yamaha R6 - 10.7@124 looking for a 2.5 gen Ram 2500 4x4 cummins

10-23-2007, 12:32 PM	#7 (permalink)
persicutor Newbie Join Date: Oct 2007 Posts: 4 Thanks: 0 Thanked 0 Times in 0 Posts persicutor's Truck Pics	nice, Ive always liked the compound turbo setups. Now, after how much boost do you generally have to upgrade the internals? and what about things like headbolts, and hardpipes etc? Also, I calculated that at 70+ psi of boost, the outlet temp of the air is close 300 degrees celsius. Are you guys also using water to air intercoolers ?

10-24-2007, 09:13 PM	#11 (permalink)
persicutor Newbie Join Date: Oct 2007 Posts: 4 Thanks: 0 Thanked 0 Times in 0 Posts persicutor's Truck Pics	how do the flow rates work with compounds? you cant just add the flow rates of both turbos together right? and do regular tbolt clamps work at these high boost pressures, or are constant tension spring loaded ones needed?

10-25-2007, 09:17 AM	#12 (permalink)
smokinhawk Cummins Fan Join Date: Oct 2007 Location: Piqua, OH Posts: 60 Thanks: 0 Thanked 0 Times in 0 Posts smokinhawk's Truck Pics	you would think you needed vband connections for over 70psi. anyone have a sound clip of one? __________________ 1999 TurboTransAm - 11.7@135 on street tires 2003 Yamaha R6 - 10.7@124 looking for a 2.5 gen Ram 2500 4x4 cummins