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 4d55 twin turbo Power Ram 50
#844575
11/01/07 10:08 AM
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Joined: Nov 2007
Posts: 22
OP
Need a Spot
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How much boost can a 4d55 handle? The turbos are all finished and it runs great. I can't drive it yet because Im putting different axels under it right now. No steering or breaks. All I can do is rev it up on the jackstands, without any load on the engine. It's hitting 11-12 pounds of boost at 3500 rpm, no load.
Last edited by rockrenegade; 11/01/07 11:28 AM.
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Re: 4d55 twin turbo Power Ram 50
[Re: rockrenegade]
#844576
11/01/07 04:46 PM
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Joined: Sep 2007
Posts: 17
Need a Spot
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you arent the one on youtube are you?
Fueled by a 20/50 mix of stupidity and insanity
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Re: 4d55 twin turbo Power Ram 50
[Re: rockrenegade]
#844577
11/01/07 05:12 PM
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Joined: Apr 2006
Posts: 1,412
Body Damage is Cool
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I believe our JDM 4D56s boost at 12psi constantly when running down the highway. Phil and Torquemonster have boost gauges installed and should be able to confirm this.
1991 Mitsubishi Pajero XP TD LWB family hauler.
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Re: 4d55 twin turbo Power Ram 50
[Re: redbull]
#844578
11/01/07 10:27 PM
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Joined: Nov 2007
Posts: 22
OP
Need a Spot
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you arent the one on youtube are you? Yeah,why? I believe our JDM 4D56s boost at 12psi constantly when running down the highway. Phil and Torquemonster have boost gauges installed and should be able to confirm this. Thanks. Im worried about hiting 18-20 under normal operating load. I guess I should just get a waste gate. I wont know till I drive it down the road.
84' twin turbo diesel PowerRam 50, Rockwells, 4 linked, 47" LTB's, dual cases
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Re: 4d55 twin turbo Power Ram 50
[Re: rockrenegade]
#844579
11/01/07 10:51 PM
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Joined: Apr 2006
Posts: 1,412
Body Damage is Cool
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I'd like to see a pic of how you setup twin turbos on the engine. What did you use for an intercooler?
1991 Mitsubishi Pajero XP TD LWB family hauler.
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Re: 4d55 twin turbo Power Ram 50
[Re: rockrenegade]
#844580
11/01/07 11:41 PM
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Joined: Sep 2007
Posts: 17
Need a Spot
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i was just curious if that was ur video cuz i worship that one. ur my hero. have you done anything to the drivetrain to hold up to twins?
Fueled by a 20/50 mix of stupidity and insanity
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Re: 4d55 twin turbo Power Ram 50
[Re: rednec_d]
#844581
11/02/07 12:40 AM
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Joined: Jan 2005
Posts: 1,538
Body Damage is Cool
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yes 12psi is the norm for our 4D56's. I used to have a boost controller on mine and I was at 17-18 psi for a while, no problems with it...just fuel consumption. I think 20psi is the line I would draw for being safe. at 18psi with my tiny little turbo it hauled ass....I couldn't shift gears quick enough. when I park my car for the winter I am going to take the boost controller off it and put it back on my pajero.
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Re: 4d55 twin turbo Power Ram 50
[Re: redbull]
#844582
11/02/07 04:30 AM
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Joined: Nov 2007
Posts: 22
OP
Need a Spot
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I'd like to see a pic of how you setup twin turbos on the engine. What did you use for an intercooler? I used a starion intercooler. I removed the a/c condensor and it fit really well in front of the radiator. I used all the starion hoses for the intercooler also. The is build thread on pirate 4x4 with all my pictures. I will try to put some up here, just have to find them.
84' twin turbo diesel PowerRam 50, Rockwells, 4 linked, 47" LTB's, dual cases
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Re: 4d55 twin turbo Power Ram 50
[Re: rockrenegade]
#844583
11/02/07 09:24 PM
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Joined: Nov 2006
Posts: 141
Wheeler
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Can I get the you tube link?
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Re: 4d55 twin turbo Power Ram 50
[Re: 88D50]
#844584
11/03/07 05:50 AM
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Joined: Nov 2007
Posts: 22
OP
Need a Spot
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Last edited by rockrenegade; 11/03/07 05:53 AM.
84' twin turbo diesel PowerRam 50, Rockwells, 4 linked, 47" LTB's, dual cases
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