6.5 diesel question - Dodge Diesel

matt69olds · 02-16-2010, 02:52 PM

I have a buddy who runs a wrecker service. His drivers have blown up several 6.5 engines, I'm not sure what the failures are. He is interested in installing rev limiters in his fleet of trucks to prevent damage. I don't know anything about the 6.5 diesels other that the reputation of being oil leaker's. Any ideas?

patdaly · 02-16-2010, 04:48 PM

Save your money and switch them to Cummins.

Not much you can do to keep a 6.5 alive with a typical driver who does not own it, and needs to work it.

67HotRod · 02-16-2010, 04:54 PM

Those motors dont like to be run hot probably blowing the headgaskets

dieselJon · 02-16-2010, 05:06 PM

Install Heath Diesel water pumps, adjust the tranny to DOWNSHIFT sooner. If it downshifts before it starts lugging, it will help the engine a LOT!

matt69olds · 02-16-2010, 05:36 PM

These are manual transmission trucks, I joked with him to switch to Cummins!

He failed to see the humor. Any other ideas?

wannadiesel · 02-16-2010, 07:16 PM

They are diesels, they are already rev limited.

As much as he'd like to blame the drivers, it's the crappy 6.5 liter engines. They spit out head gaskets and break cranks routinely with no provocation.

rebal · 02-17-2010, 12:31 AM

Quote:

Originally Posted by wannadiesel

They are diesels, they are already rev limited.

As much as he'd like to blame the drivers, it's the crappy 6.5 liter engines. They spit out head gaskets and break cranks routinely with no provocation.

yup I used to make alot of cash fixin 6.5 TD (total Duds) If all you did was get groceries it would run a long time...maybe some have, but work them and they will crap out parts

Twogun · 02-24-2010, 04:12 PM

If they are pre 1996 they can bennefit from a 96 and up dual thermostat and higher capacity water pump. Proper radiator maintenance is a must as they have a marginal cooling system to start with. Twogun

02-16-2010, 04:48 PM	#2
patdaly Registered User Join Date: Jan 2007 Location: Streator Illinois Posts: 5,276 My Photo Gallery My Classified Ads	Save your money and switch them to Cummins. Not much you can do to keep a 6.5 alive with a typical driver who does not own it, and needs to work it. __________________ "Brownie" 1997 2500 Ext.cab SLT, 4X4 auto, 3.54 gears, posilock, 98/99 steering conversion. New TC, lovin her again! Sold 3/13/2010, gone but not forgotten. "Greenie" 1997 2500 Ext. cab SLT, 4X4, NV4500, 3.54 gears, 4" MBRP Exhaust, Ready to install SB DD3250, built just 216 trucks after Brownie!

02-16-2010, 04:54 PM	#3
67HotRod Registered User Join Date: Feb 2005 Location: Franklin County Missouri Posts: 1,132 My Photo Gallery My Classified Ads	Those motors dont like to be run hot probably blowing the headgaskets __________________ Tow Vehicle: 2001 Dodge Quad cab, 3/4 ton 4X4, 3.54's running 285's with auto. Towing & camper option. 2" level kit, BHAF, AirDog, 180 STAT, 4"exhaust, Goerend bros TC/VB, BW trans. Edge Comp, rv injectors, deep trans pan, Boost/Pyro/Fuel/trannny gauges. 250K miles

02-16-2010, 05:06 PM	#4
dieselJon Registered User Join Date: Feb 2007 Location: Dixon, IL Posts: 1,887 My Photo Gallery My Classified Ads	Install Heath Diesel water pumps, adjust the tranny to DOWNSHIFT sooner. If it downshifts before it starts lugging, it will help the engine a LOT! __________________ 1992 W250 G360~ Wife calls it Satans' Lavatory

02-16-2010, 07:16 PM	#6
wannadiesel Adminstrator-ess Join Date: Mar 2003 Location: New Holland, PA Posts: 22,593 My Photo Gallery My Classified Ads	They are diesels, they are already rev limited. As much as he'd like to blame the drivers, it's the crappy 6.5 liter engines. They spit out head gaskets and break cranks routinely with no provocation. __________________ Faith '93 D350 - DPS 6x16's, HTT Stage IV/14wg, PowerStroke IC, Snow water/meth, Walbro 392, Con-FE, pump tampering by owner. 390 HP/800 TQ on #2 only, 413 HP/852 TQ w/ water/meth - needs more air! Dead KDP's = 72 wannadiesel@dieseltruckresource.com

02-24-2010, 04:12 PM	#8
Twogun Registered User Join Date: Sep 2004 Location: Western Wisconsin Posts: 50 My Photo Gallery My Classified Ads	what year? If they are pre 1996 they can bennefit from a 96 and up dual thermostat and higher capacity water pump. Proper radiator maintenance is a must as they have a marginal cooling system to start with. Twogun __________________ 2002 QC 4x4 Dodgezilla turbo, DD box and Formula One stage 4 injectors, FASS 4" exhaust Goerend Full built transmissin AFE Bank's Intake PacBrake Former6.5 owner

02-16-2010, 05:36 PM	#5
matt69olds Registered User Join Date: Jan 2009 Location: Kokomo, Indiana Posts: 102 My Photo Gallery My Classified Ads	These are manual transmission trucks, I joked with him to switch to Cummins! He failed to see the humor. Any other ideas?

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