Engine hours vs. miles
Postmaster
Joined: Sep 2010
Posts: 3,472
Likes: 2
From: Southern Cal
Even that equates to about 35 mph. Must so a lot of sitting or idling to be that low?
Cargo Master
Joined: Jun 2007
Posts: 2,723
Likes: 5
From: Roseburg, OR
Not really, I warm it up for 5-10 minutes before driving it. I won't move it unless it's at least 100°. That, combined with any town driving keeps the average down. We get plenty of long trips, just not normally on the freeway.
More Turbo
Joined: Aug 2009
Posts: 551
Likes: 19
35 mph average speed is just about as "normal" as one can expect.
I just went and checked my '07;
209,044 mi.
4,109 hrs.
which equates to 50.86 mph
I do mostly highway driving which is why my average is so high compared to others.
I change oil at 7,500 mi. intervals and every time I am within +/- 2 of 150 hrs., it's because of this I have always thought I could stretch my OC's out to 10,000 mi., but I never have. Staying within owners manual specs are good enough for me.
I just went and checked my '07;
209,044 mi.
4,109 hrs.
which equates to 50.86 mph
I do mostly highway driving which is why my average is so high compared to others.
I change oil at 7,500 mi. intervals and every time I am within +/- 2 of 150 hrs., it's because of this I have always thought I could stretch my OC's out to 10,000 mi., but I never have. Staying within owners manual specs are good enough for me.
Freshman User
Joined: Nov 2012
Posts: 28
Likes: 0
303,331 miles & 6031 hours (50.29 mph)
2006 F-350 Lariat Superduty LWB SRW
White over Arizona Tan*Line-X Bedliner*4" MBRP Turbo Back*Blue Spring*SGII *XDP Coolant Filter*FICMRepair.com w/Eco Tune* Edelbrock Shock Absorbers*Archoil*Rotella T5 10W-30*Elite Diesel Torque Tow 155cc Injectors
2006 F-350 Lariat Superduty LWB SRW
White over Arizona Tan*Line-X Bedliner*4" MBRP Turbo Back*Blue Spring*SGII *XDP Coolant Filter*FICMRepair.com w/Eco Tune* Edelbrock Shock Absorbers*Archoil*Rotella T5 10W-30*Elite Diesel Torque Tow 155cc Injectors
Postmaster
Joined: Sep 2010
Posts: 3,472
Likes: 2
From: Southern Cal
I normally don't drive that much and my truck avgs 45mph since new with freeway miles.
With my 6.0, I just don't have the nerve, yet, to run it up to 10k on one oil change.
Postmaster
Joined: Sep 2010
Posts: 3,472
Likes: 2
From: Southern Cal
Well,
Just finished a 6,500 mile trip and just turned 100k. With almost 2200 hrs, that keeps my avg at 45.46 mph. Amazing how it's stayed virtually the same, whenever I've checked it.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Top 10 Ford Trucks Coming to Mecum Indy 2026
Brett Foote
5 Best / 5 Worst Ford Truck Wheels of All Time
Joe Kucinski
Lead Driver
Joined: Dec 2006
Posts: 6,496
Likes: 94
From: So. Jersey
That gives your truck a lifetime average of 29 m.p.h. Many will show 35 while highway queens may show 50+ but isn't that common. Idle time is what kills it. Ideally if it's running it should be turning a tire.
Senior User
Joined: Jan 2017
Posts: 152
Likes: 0
From: Augusta, GA
So the slower your average speed is, the more wear and tear it is thought to have on the motor vs higher the speed? ie....29 mph vs 55?
What is an average mpg for a truck with over 200k miles?
Postmaster
Joined: Sep 2010
Posts: 3,472
Likes: 2
From: Southern Cal
I'm not sure one is better then the other. Piston time is still piston time and wear is wear. As long as you are operating with spec with temps, coolant, oil, tranny, etc, I'm not sure you're engine knows the difference.
If maintanence is good, wear should be static.
The are other ramifications tho, turbo sticking, injector issues, etc that can be affected by idle time.
Those Cats up in Alaska run 24/7 unless being maintenances. Sure, built for different needs but those pistons are still Pistons moving up and down.
If maintanence is good, wear should be static.
The are other ramifications tho, turbo sticking, injector issues, etc that can be affected by idle time.
Those Cats up in Alaska run 24/7 unless being maintenances. Sure, built for different needs but those pistons are still Pistons moving up and down.
Cargo Master
Joined: Aug 2012
Posts: 2,841
Likes: 923
From: Kaufman TX
Not sure if you saw this post in this thread or not.
That truck hit 10,000 hours @ 400k, and was at double that when the post was made so you can reasonably figure 20,000 hours on a well maintained vehicle.
I wouldn't worry about yours @ 7k. Naturally you're not on track to hit 800k miles when you hit 20k hours, but if you maintained the same 29 mph average you're on track to hit 584,580.
So, if 20,000 hours is somewhere around the ceiling you've still got plenty of life left if you also maintain it well.
I wouldn't worry about yours @ 7k. Naturally you're not on track to hit 800k miles when you hit 20k hours, but if you maintained the same 29 mph average you're on track to hit 584,580.
So, if 20,000 hours is somewhere around the ceiling you've still got plenty of life left if you also maintain it well.
Lead Driver
Joined: Dec 2006
Posts: 6,496
Likes: 94
From: So. Jersey
I'm not sure one is better then the other. Piston time is still piston time and wear is wear. As long as you are operating with spec with temps, coolant, oil, tranny, etc, I'm not sure you're engine knows the difference.
If maintanence is good, wear should be static.
The are other ramifications tho, turbo sticking, injector issues, etc that can be affected by idle time.
Those Cats up in Alaska run 24/7 unless being maintenances. Sure, built for different needs but those pistons are still Pistons moving up and down.
If maintanence is good, wear should be static.
The are other ramifications tho, turbo sticking, injector issues, etc that can be affected by idle time.
Those Cats up in Alaska run 24/7 unless being maintenances. Sure, built for different needs but those pistons are still Pistons moving up and down.
Ford recognized this and put out an announcement. See first bullet. There was another announcement about extensive idling but I'll have to search for it.
