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| 6.7L Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine, Transmission, etc...NO ADVERTISING |
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#25 (permalink) |
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Cummins Fanatic
Join Date: Apr 2009
Location: Las Cruces, NM
Posts: 164
Thanks: 11
Thanked 3 Times in 3 Posts
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rattling from the clutch. After installing my double Disc clutch my buddy said my truck sounded like a big rig. Just my two cents.....
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2008 Cummins Larime! 6 speed manual, Full EGR delete, 5 in. TBE, XRT tuner, triple pillar auto meter gauges, S & B intake, SouthBend Double Disc 3250 and Linex ultra liner. |
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#26 (permalink) | |
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Cummins Enthusiast
Join Date: Aug 2008
Location: Haltom City, Texas
Posts: 246
Thanks: 0
Thanked 4 Times in 2 Posts
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Quote:
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'07 6.7L Cummins, 6 speed Manual, 5" TBE |
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#27 (permalink) |
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little semi
![]() Join Date: Sep 2008
Location: San dimas, ca
Posts: 454
Thanks: 3
Thanked 6 Times in 3 Posts
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YouTube - 6.7 cummins 5" exhaust (gettin some!!!) here ya go bud look at the rest of the vids maby its sounds like what u heard
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07.5 1ton 6.7l cummins, G56, 4x4, on board air, nathans K3 train horn, 2" leveling kit, 35" toyo mt's, all the deletes, edge juice w/attitude race (used for gauges), XRT w/ hot dam 175 ATT, volantCAI, 5"TBE, FASS 150, turbo silencer MIA, south bend DD3600, spearco intercooler, POWER MODS DONE BY BLACK TEK DIESEL PERFORMANCE |
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#28 (permalink) |
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Diesel Freak
![]() Join Date: Oct 2007
Location: West Texas
Posts: 962
Thanks: 4
Thanked 34 Times in 24 Posts
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My 6.7 sounds pretty bad guys, the new HTT exhaust and 64/71/16 turbo really does like to talk. Idle or running at any speed down the road... I need to try and setup a Utube account and post some of my beast running...
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Khaki-09' Megacab 3500 DRW 4X4;68RFE;3:73's;DPF, EGR & OEM air intake horn all MIA;My own 5" TBE,CoolTube intake w/crankcase revented;Edge-juice w/attitude+Hot;07' intercooler; doubled the OEM Powersteering & Tranny Coolers, Smarty67(ME) Raptor 150 with filter & water seperator. 180 T-stat. Double B&W hitches.ARP Studs. HTT-SS 71/64/16Turbo&Exhaust Manifold.Shaved Head.MHP-TCM |
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#29 (permalink) | |
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Diesel Freak
Join Date: Apr 2007
Location: Monessen ,Pennsylvania
Posts: 739
Thanks: 105
Thanked 14 Times in 12 Posts
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Quote:
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07 Megacab 2500 4x4 6.7Liter 68RFE 3.70 limited slip . Bone stock and no problems 20 MPG highway easy .. 21.75 best so far.1999 Durango 5.9 Liter 3.92's ALL the options.Work truck 09 Freightliner M2 33k GVW ISC 260/840 RFO9210B
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#30 (permalink) |
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Newbie
Join Date: Apr 2009
Location: Alabama
Posts: 22
Thanks: 0
Thanked 0 Times in 0 Posts
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I have a buddy that has an 07 5.9L with a 4" exhaust TBE with 7" tip while mine is the 6.7L 5" TBE with an 8" tip and it is as loud or louder than his just several opinions i have been told by other friends. The 8" tip helped the sound a whole lot from the previous 6" tip, now it vibrates the change in the cup holder when you lug on the accelerator.
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07.5 Dodge 2500 6.7L, AFe intake, XRT 120hp, Isspro EV2 (boost, pyro, fuel rail), smoke switch, 5" exhaust Turbo back, EGR unplugged
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#31 (permalink) | |
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Cummins
![]() Join Date: Feb 2008
Location: Cocoa,Florida
Posts: 457
Thanks: 0
Thanked 6 Times in 6 Posts
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Quote:
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2007.5 Dodge 3500 4x4 megacab dually, auto, SMARTY,RSD 5" exhaust |
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#32 (permalink) |
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Diesel Head
Join Date: Jun 2008
Location: Moorpark, CA
Posts: 1,850
Thanks: 9
Thanked 20 Times in 18 Posts
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my truck sounds like a semi, I have straight pipe right off the turbo.
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07.5 Dodge Ram 3500HD SLT 6.7L,11/06 build,5/08 delivery,PMT,DPF & EGR fell off,G56,4.10 (3.73 soon),C&C,HBS,5000k HID Solutions lights & fogs,14,000 miles to date,35" M/T,22.5's soon,Dyno at 445hp/907tq
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#33 (permalink) |
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Diesel Freak
![]() Join Date: Oct 2007
Location: West Texas
Posts: 962
Thanks: 4
Thanked 34 Times in 24 Posts
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This setup I am running right now is working quite well. It runs awesome to say the least. Still messing around with setting on the Smarty for as the power setting. Just getting a feel of everything... I ran power setting #8 today and it towed really well, as expected... The funny thing I found today was I had more boost pressure on #8 than I have ever seen so far... I had a very strong and solid 45 psi boost when pulling hard and the truck locked in 6th gear really well... Freakin' truck has really changed alot with the HTT- Turbo and manifold... It runs through out the gears really nice also with no hicchups spittin' sputterin', very hint of smoke out the tail. Just runs really great... Funny thing happened today was a guy in a older Ford 6.0 pulled along side and was going to zoom by me going up the caprock grade on hwy. 180 going west. Its not a long grade, might be 1/2 mile straight with a sharp turn at one point that you have to make and then hit the grade again, all total about 1 mile... Needless to say the 6.7 while in tow out pulled the 6.0 Ford... My freakin' truck almost seemed if it was slippin' the tires somewhat as she chewed her way to the top of tyhe caprock... I pulled on the 6.0 all the way up, all the time the 6.0 was huffin' smoke really good and losing miserbly all the way up the grade... Just got to love this 6.7 once you get things all happy together...
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Khaki-09' Megacab 3500 DRW 4X4;68RFE;3:73's;DPF, EGR & OEM air intake horn all MIA;My own 5" TBE,CoolTube intake w/crankcase revented;Edge-juice w/attitude+Hot;07' intercooler; doubled the OEM Powersteering & Tranny Coolers, Smarty67(ME) Raptor 150 with filter & water seperator. 180 T-stat. Double B&W hitches.ARP Studs. HTT-SS 71/64/16Turbo&Exhaust Manifold.Shaved Head.MHP-TCM |
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#34 (permalink) | |
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Cummins Nut
![]() Join Date: Jun 2009
Location: East Texas
Posts: 375
Thanks: 13
Thanked 42 Times in 27 Posts
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Quote:
Just FYI if you are not running a drive pressure gauge I would give it a quick look and see where you are at.Going to a higher tune will result in more drive pressure witch in turn will cause higher boost.I know there is other things that will raise boost levels also but its worth looking at just to be on the safe side.
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07.5 Mega Cab 6.7 4x4,68rfe,Air Dog 150,Dragon Fire cp3 Hamilton Cam,#110 Springs,Chromemoly Push Rods,Port & polished head, Firringed,custom DDP 120 Sticks,ARP 625's,Phat Shaft 66/71 External Wastgate,Sperco Intercooler,5" Exhaust,Suncoast TEST Transmission,W/Custom T.C.M, Mp8, Quad Boost Fooler, All Deletes and Gauges.WCC Intake Secret Tuner Big thanks to Ron@Suncoast & Eric@BrownsDiesel http://s772.photobucket.com/albums/yy10/ronniepene/ ?action=view¤t=dodge67015.flv |
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#35 (permalink) |
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Diesel Head
Join Date: Jun 2006
Location: Bridgeview, IL
Posts: 1,312
Thanks: 22
Thanked 36 Times in 18 Posts
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The guys who think the 6.7 sounds like a semi....have you ever owned a straight piped 5.9? It sounds so much meaner and more like a semi IMO. I miss my 06 5.9, simply because of the sound. Other than that, my 6.7 has it beat.
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08 6.7L MEGA 2500 SLT 4X4 68RFE l DIPRICOL OPTIX BOOST/PYRO/TRANS l KORE CHASE l FOX 2.0 RR l CARLI LINKS l CARLI RESEVOIR MOUNTS l TINTED l TS MP-8 l 5" TBE l EGR DELETE l TEKONSHA P3 l LINE-X l PE JACKRABBIT l AFE MEGA CANNON l SMARTY S67PoD l 285 TOYO MT l |
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#36 (permalink) |
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Diesel Freak
![]() Join Date: Oct 2007
Location: West Texas
Posts: 962
Thanks: 4
Thanked 34 Times in 24 Posts
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Booost, My 6.7 with this new HTT turbo dude has all the whistle and then some of the OTR trucks that I have heard. This turbo on my truck is really something to listen too... It talks to everyone and from any RPM range also... Pretty awesome I think, for you that might not like the turbo whine or whistle will want to add the silincer ring to this turbo... Its not for the weak LOL... Ronnie, Dude I have the drive pressure hardwired in the cab all the time since the second headgasket LOL... This 45 psi boost I had today while on the #8 power of the smarty was the best I have seen yet, at that boost reading I only had 50 psi drive pressure. Which at this kind of throttle percentage, was the closest to the 1:1 ratio I have had yet... I was not WFO but I was in the throttle hard going up the caprock grade and I was watching things close to see just what things were doing... The worst thing I saw was that my EGT probe has went south on me and I need to get another... That and I now have almost 5psi drop from the fuel lift pump, through the fuel filters I have before hitting the CP3... So, I will be changing the fuel filters in the next day or two also... My truck is really starting to finally come together and making a great haul truck dude...
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Khaki-09' Megacab 3500 DRW 4X4;68RFE;3:73's;DPF, EGR & OEM air intake horn all MIA;My own 5" TBE,CoolTube intake w/crankcase revented;Edge-juice w/attitude+Hot;07' intercooler; doubled the OEM Powersteering & Tranny Coolers, Smarty67(ME) Raptor 150 with filter & water seperator. 180 T-stat. Double B&W hitches.ARP Studs. HTT-SS 71/64/16Turbo&Exhaust Manifold.Shaved Head.MHP-TCM |
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