Notices
1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

will an open diff spin em both

Thread Tools
 
Search this Thread
 
Old May 11, 2013 | 06:26 AM
  #16  
EPNCSU2006's Avatar
EPNCSU2006
Lead Driver
20 Year Member
Joined: Nov 2002
Posts: 9,557
Likes: 44
From: Concord, NC
Originally Posted by SideWinder4.9l
That makes perfect sense; Except that in my truck, when decelerating, it's like you literally flip a Jacobs Engine Brake on Stage 1....

After a certain rpm (About 1,200) it is like you turned the switch back off.

My logic tells me something "Else" is going on, on top of what you said.
You might be feeling a fuel cut. My truck takes a few seconds of coasting in gear to begin the fuel cut, but it turns off the injectors to save fuel then turns them back on when the engine speed gets back down near idle.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
SideWinder4.9l
1987 - 1996 F150 & Larger F-Series Trucks
4
Apr 24, 2011 08:51 AM
dynamis5
2004 - 2008 F150
17
Apr 2, 2007 09:25 AM
hschiro
1999 - 2016 Super Duty
12
Aug 4, 2006 09:28 PM
critterscott
Clutch, Transmission, Differential, Axle & Transfer Case
5
Apr 5, 2006 10:03 PM
Navy7797
1999 - 2016 Super Duty
19
Oct 14, 2005 11:11 PM




All times are GMT -5. The time now is 12:30 AM.

story-0
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.

By Verdad Gallardo | 2026-06-12 11:01:55


VIEW MORE
story-1
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-2
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-3
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-4
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-5
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-6
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-7
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE
story-8
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-9
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE