future for 6.4?
6.4 a failure?
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Elder User
Joined: Feb 2004
Posts: 839
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From: outback
6.4 a failure?
Now F is coming out with a 6.7 for 2010 already. Now if the 6.4 is so great why change it after a few years?
if it is not a bad engine then F must be trying to go bankrupt.
if it is not a bad engine then F must be trying to go bankrupt.
Super Moderator
Joined: Aug 2008
Posts: 37,384
Likes: 1,868
From: Frederick, MD
Well I just bought mine a month ago, only 1400 miles on it so I don't know if it is a failure yet. Maybe they need to beef it up with the new emission requirements in order to just maintain current performance?
Tuned
Joined: Apr 2004
Posts: 391
Likes: 18
From: Calhan, CO
I like the 6.4 The other day, I got to see a 6.4 all torn down. All the internals, block, rods, crank, etc look to be very beefy. The con rods are thicker than the 6.0's. The block and bed plate and con rods look extremely strong. At this school, there was a Cummins 5.9 or 6.7, can't tell for sure. Anyway, the Cummins bottom end was not as impressive. I'm sure the Cummins is strong but I also think International closed the gap with the 6.4, even passing Cummins in a few areas.
Senior User
Joined: Mar 2007
Posts: 217
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Parts......
Thanks, That will certainly help the future availabilty of reasonably priced parts. Hopefully we won't need too many parts for a long, long time!
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Posting Guru
Joined: Jun 2006
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Internationals version of the 6.4 is known as the MaxxForce7, it only has one turbo. Its doing well in International trucks and buses and is getting better fuel milege than the VT365 did. Its planned to be produced and used beyond 2010.
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Elder User
Joined: Dec 2005
Posts: 577
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From: Lebanon TN
me likey the 6.4
I was looking under the hood after I got home from work tonight, planning how I and when I was going to install the radiator T line fix and I was admiring how awesome the engine is designed and fit under the hood. Everything appears well thought out.
My Job #1 truck has not had a failure in 22k miles, well, since the day I bought it. I tow a 5th wheel camper at least once per month on a camping trip and a boat to the lake at least two weekends a month. It's been an awesome motor.
I'm sure they'll be parts around if necessary. Deciding to change engines is a big deal and I believe a well planned venture.
My Job #1 truck has not had a failure in 22k miles, well, since the day I bought it. I tow a 5th wheel camper at least once per month on a camping trip and a boat to the lake at least two weekends a month. It's been an awesome motor.
I'm sure they'll be parts around if necessary. Deciding to change engines is a big deal and I believe a well planned venture.
Elder User
Joined: May 2007
Posts: 650
Likes: 0
The 6.4 is far from a failure. It's just getting replaced because Ford and International just plain don't get along anymore. I've got over 40k on my truck now and I've had it since it had 0.8 miles on the lot. From stock truck to an 8,500 lb. +/-500 RWHP tank. I've had this rig overloaded with well over 30k GVWR and it hasn't missed a step.
Compared to the release of the 6.0's the 6.4 release was almost flawless. The only real problems this new generation of diesels has ever has was related to the dang EPA required emissions crap.
Compared to the release of the 6.0's the 6.4 release was almost flawless. The only real problems this new generation of diesels has ever has was related to the dang EPA required emissions crap.
Postmaster
Joined: Jan 2005
Posts: 3,461
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From: Saskatoon, SK
I would not hesitate to buy a 6.4 but the DPF delete and tuner purchase would happen very early in its life cycle! For those of you that have had both, will a 6.4 with the above be better/worse than the 6.0 for mileage/power?
Elder User
Joined: May 2007
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Mileage differs from truck to truck with the DPF deletes. I'm running the extreme SCT tune which is around 500 RWHP and I get 19-21 mpg going 75 mph. (Hand Calculated) DPF and Cat gone, S&B intake.
Power is amazing. I've seen over 56 psi. of boost when I really get on it, and I'm thinking I need to get a bigger clutch to handle the power.
Power is amazing. I've seen over 56 psi. of boost when I really get on it, and I'm thinking I need to get a bigger clutch to handle the power.
