5.4 2003 faster than.......
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Senior User
Joined: Mar 2004
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So perhaps it is Ford's idea to sort of create an equilibrium, the heavier trucks get more torque because it is needed in a sense. I kind of seem to notice 3.55 is quite common, but the bigger trucks typically offer 3.73 more often, from what little I have seen on the lots. Not in the past, just now days.
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From: irwin,pa
ford built their motor around the designed purpose - a truck
for instamce- i saw a dyno of an 03 stock 5.3 chevy stock at crank
285 hp-325 tq- rear wheel hp on dyno was 243- tq was 257=pretty weak tq numbers for a truck- i know my truck won't shift into 3rd under full throttle till 85 mph- so i'm in 2nd gear going through the 1/4- 4-10's would get me into 3rd sooner and probably drop my et's 2- 5 ths- but then again i would get 20 mpg on the highway- tradeof- power vs fuel economy
for instamce- i saw a dyno of an 03 stock 5.3 chevy stock at crank
285 hp-325 tq- rear wheel hp on dyno was 243- tq was 257=pretty weak tq numbers for a truck- i know my truck won't shift into 3rd under full throttle till 85 mph- so i'm in 2nd gear going through the 1/4- 4-10's would get me into 3rd sooner and probably drop my et's 2- 5 ths- but then again i would get 20 mpg on the highway- tradeof- power vs fuel economy
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From: joliet, IL
My 5.4L with the 3:55LS is slower than molasses. It barely will even chirp the tires when floored. But I didn't get it to race or go fast. It sure tows my boat like a champ though!
I will also say this....the '97 I had with 4.6L, a hypertech, flowmaster, and K&N filter would whoop my 2003 5.4L in a race. But I can sure tell a difference in towing!
I will also say this....the '97 I had with 4.6L, a hypertech, flowmaster, and K&N filter would whoop my 2003 5.4L in a race. But I can sure tell a difference in towing!
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Joined: Sep 2003
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From: Whitman MASS
DA CUBS
Really????
My 5.4 will smoke the tire no problem, no mods except for flowmaster cat back, but that did nt make it faster.
Really????
My 5.4 will smoke the tire no problem, no mods except for flowmaster cat back, but that did nt make it faster.
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Senior User
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From: joliet, IL
Yeah, I have the towing package. I was surprised that I could not light the tires. all I can get is a 'chirp'. It still moves out okay, just doesn't spin the tires. The 4.6L I had could lay a pretty good patch. That is what perplexes me. But like I said, I don't really need to smoke the tires. Apparently the chip and exhause does help a little bit!
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Joined: Apr 2004
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From: Homer, Alaska
I would have thought they would put the 3.73's on the ones with the towing package, because it would allow it to get heavier loads started easier. Seems to me like putting the 3.55's on a towing package would just make it have to strain harder to pull anything, if my understanding of gearing is correct.
I'd much rather pull something behind my pedal bike in fifth gear than I would in 8th gear... I would think the truck is the same way, unless it simply has enough torque that the smaller gears dont make that big of a difference in pull?
I'd much rather pull something behind my pedal bike in fifth gear than I would in 8th gear... I would think the truck is the same way, unless it simply has enough torque that the smaller gears dont make that big of a difference in pull?
Postmaster
Joined: Jul 2001
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From: South Kitsap County, WA
If I lightly press the brake while punching the gas I can smoke the tires in my 7700. When it's wet I can do it without trying (who can't?). Same 3.73's and 4x4 as Umdstang (hey it's a 7700 
, but I have a SuperCab). The only mod that would matter when I stomp on it is the shortened 2-1/4" tail pipe.
-Kerry
, but I have a SuperCab). The only mod that would matter when I stomp on it is the shortened 2-1/4" tail pipe.-Kerry
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Joined: Jan 2004
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From: Lubbock, TX
da cubs,
your 4.6 prolly didn't have a limited slip rear end like the newer 5.4s do. i had a 98 4.6 that would lay it down for about 40ft. lol, kinda hard on tires though. man i miss that truck.
ar
your 4.6 prolly didn't have a limited slip rear end like the newer 5.4s do. i had a 98 4.6 that would lay it down for about 40ft. lol, kinda hard on tires though. man i miss that truck.
ar
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Joined: Sep 2002
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From: North Bay, ON
I had a 2000 F150 Supercab 4X4 with 4.6L and 3.55 gearing. It went like stink empty and on flat ground, but it wouldn't tow it's way out of a wet paper bag. I traded it for a 2002 F150/7700 Supercab 4X4 with 5.4L and 3.73 gearing and saw all the difference in the world, but it doesn't go like stink at higher speeds. After about 80mph, it doesn't have a whole lot of acceleration. From my research when buying these trucks, which encompassed two years, Ford's standard gearing for F150s was 3.55. Optional on some (not all) models was the 3.73. The 7700 series came standard with 3.73 and the option to go limited slip. I do not remember if the option to go 4.10 was there but I think it was. The F250 Heavy duties came with 3.73 standard and 4.10 standard on some work truck models. Also towing packages on F250 SDs was standard, while optional on all F150s including the 7700. Now the question originally asked was "will a 2 wheel drive smoke a 4X4 and normally I would say yes, all other things being equal. Smaller engine and lower gear numbers would definitely slow the 2 wheeler down, but that 4X4 is dragging a lot more weight.
Thom
Thom