Is 4.6L Superior to 5.4L
Senior Member
Joined: Jan 2005
Posts: 5,389
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From: Fort Worth,Tx
Originally Posted by Klitch
you remember what my truck looks like?
big red block in the air... i cant hurt the tank much more than i already have.
big red block in the air... i cant hurt the tank much more than i already have.
lol thats true but ive been gettin about 11-12mpg on the highway at 65mph
Senior Member
Joined: Jan 2005
Posts: 5,389
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From: Fort Worth,Tx
Originally Posted by Neal
HI!... You both suck! 
I get 21.3MPG on the highway at 70MPH with 4.10 gears and 28.8" tall tires. And I've got 430H.P (flywheel!)
I get 21.3MPG on the highway at 70MPH with 4.10 gears and 28.8" tall tires. And I've got 430H.P (flywheel!) no ya dont lol ur truck dont even drive
Senior Member
Joined: Oct 2003
Posts: 4,920
Likes: 5
From: Washington
ok neal, you go stuff 4.88's in your axles, 35" rubbers on it and put it in the air 6"... i wanna see someone get that much more mileage than me...
plus i got the 4.6, never said i liked the mileage it got stock lol.
plus i got the 4.6, never said i liked the mileage it got stock lol.
Senior Member
Joined: Jan 2005
Posts: 5,389
Likes: 0
From: Fort Worth,Tx
Originally Posted by Klitch
ok neal, you go stuff 4.88's in your axles, 35" rubbers on it and put it in the air 6"... i wanna see someone get that much more mileage than me...
plus i got the 4.6, never said i liked the mileage it got stock lol.
plus i got the 4.6, never said i liked the mileage it got stock lol.
with his cams and heads.. he doesnt make much power down low anymore so the engine isnt using much fuel. that is why he would get good gas milage.
Senior Member
Joined: Aug 2000
Posts: 1,759
Likes: 4
From: Friendswood Texas
21.3 mpg was before the new motor
https://www.f150online.com/forums/sh...hlight=21.3MPG
unless he got the same thing after the motor, which i guess is possible.
https://www.f150online.com/forums/sh...hlight=21.3MPG
unless he got the same thing after the motor, which i guess is possible.
Senior Member
Joined: Jan 2005
Posts: 5,389
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From: Fort Worth,Tx
Originally Posted by JMC
Faster,
The increased efficiency of the engine is what allows the better mileage. Not less power. Give your head a shake.
JMC
The increased efficiency of the engine is what allows the better mileage. Not less power. Give your head a shake.
JMC
well never know since neal never even posted a dyno graph proving his numbers and where the power is. but from his cam profiles he describes most of his power it from 3200+
Senior Member
Joined: Jan 1999
Posts: 7,030
Likes: 3
From: WINDSOR, ONTARIO, CANADA
Originally Posted by BROTHERDAVE
21.3 mpg was before the new motor
https://www.f150online.com/forums/sh...hlight=21.3MPG
unless he got the same thing after the motor, which i guess is possible.
https://www.f150online.com/forums/sh...hlight=21.3MPG
unless he got the same thing after the motor, which i guess is possible.