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second gear
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Joined: Jul 2006
Posts: 5
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From: NJ
second gear
I have a 2002 5.4 superduty long bed super cab 4x4 off road, when accelerating first gear is normal, then second gear right at 3000 rpm the rpm's fall to 2800 and the go normal againand the 3rd and 4th are normal, why is this
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
You must have a pretty loud exhaust 
My v10 does it all the time.
I just pretend I have a TorqueShift and 5 gears
My v10 does it all the time.
I just pretend I have a TorqueShift and 5 gears
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Guest
Joined: Nov 2004
Posts: 7,988
Likes: 55
From: north west new jersey
Originally Posted by marcus13
its just that you can hear it in my exhaust, would the power programmer remove it
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Lead Driver
Joined: Sep 2003
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From: Albuquerque
Originally Posted by derherr65
Not to go too far off topic here, but what's with all the superdutys running the 5.4? My '65 Mustang's engine is nearly that big. It can't be a good towing engine, can it?
(just kidding)... 
The 5.4L is a "good" engine to tow with...as long as you stay within the specs. YES, the V10 and PSD engines are "better" to tow with, but the 5.4L is "good". Also helps to have low gears...makes that 5.4L seem like a larger displacement engine.
biz
FTE Leadership Emeritus
Joined: Jul 2002
Posts: 42,561
Likes: 423
From: Long Island USA
Originally Posted by derherr65
Not to go too far off topic here, but what's with all the superdutys running the 5.4? My '65 Mustang's engine is nearly that big. It can't be a good towing engine, can it?
1) Much longer stroke - the stroke is bigger than the bore.
2) OHC - better breathing, stock.
3) Much less internal friction.
To me, the 5.4 is basically an FE 360. And lots of people towed with those things
Elder User
Joined: Jul 2005
Posts: 969
Likes: 1
From: North Texas
350-365ftlbs and 260-300HP depending on year and number of valves. That's a bit better than I thought it had. Though I hear 12mpg is common for the 5.4, and we get 13.5 from our V10.
As for marcus13's problem... you could get a programmer and reprogram the computer to shift or lockup differently. I'd bet it's not worth the cost though.
As for marcus13's problem... you could get a programmer and reprogram the computer to shift or lockup differently. I'd bet it's not worth the cost though.