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Previous Thread Next Thread Print Thread Rate Thread Page 3 of 3 1 2 3 Re: 4d55 twin turbo Power Ram 50 [Re: rockrenegade] #844595 03/12/08 03:26 AM Joined: Mar 2008 Posts: 12 G gmac Need a Spot I think they are more durable than people give them credit for. I run a diesel business and I just tore down my 4d55 to rebuild it and the rods are pretty stout for that little thing. The only drawback is running that much boost with 21.1 compression, you risk popping headgaskets. I am lowing my compression a little and torqueing the bolts down a little tighter and that should allow me to run more boost. 1991 ford ranger ext. cab 4x4 with a mitsu 4d55 and 5 speed tranny 2000 dodge ram sled pulling truck with lots o power and allison auto tranny All built by me Stallion High Performance 419-545-4217 Re: 4d55 twin turbo Power Ram 50 [Re: gmac] #844596 03/15/08 09:28 PM Joined: Mar 2008 Posts: 413 Utah spencevans Mudrunner So how do plan on lowering the compression ratio? Spence 1985 Mitsubishi PU 2.3 Turbo Diesel, 13" lift, Watercooled turbo, 4D56 Head, Atlas II,Fox Coilovers, Elockers, 1983 Mitsubishi PU 2.5 Turbo Diesel 4x4, fully restored 2003 G500, sliders, beadlocks, roofrack, ladder etc. Re: 4d55 twin turbo Power Ram 50 [Re: spencevans] #844597 03/21/08 03:21 PM Joined: Mar 2008 Posts: 12 G gmac Need a Spot just shaving the tops of the pistons down some. I am only taking about 30 to 40 thousandths off. 1991 ford ranger ext. cab 4x4 with a mitsu 4d55 and 5 speed tranny 2000 dodge ram sled pulling truck with lots o power and allison auto tranny All built by me Stallion High Performance 419-545-4217 Page 3 of 3 1 2 3 Moderated by  4x4Wire, Macka, Mudraider, off-roader, PHIL_, rxinhed  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Homepage Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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