My Build Thread-American Hogger

[RSK]

I run 4.30's and 33's lol.. Even that's not bad, I just drive the speed limit on the highway

Normally i drive 55-60 on the highway because i'm not in a rush. So 4.10's would be pretty nice, maybe even 4.30's...

 

[Tree Trimmer]

I don't think that ecomat would fit too well and it's probably a good amount heavier. Wouldn't it be easier to lower the truck lol

there not that much larger, but yes there would need to be some......love given to the truck to make it fit.

as for heavier, eventually your going to get to the point where money spent on replacing something that continually breaks offsets the additional weight, if it holds.

that, or turn the power back down to a point where it holds, but who wants to do that?

 

[alradco]

Fired up, you say? LOLLOLLOL I swear, the stuff I see on your FB. Definitely makes the day pass quicker.

Bro, not exactly what I had in mind for modeling with our intercooler haha.

 

[bigrpowr]

I have never seen a Lenco on a truck. Do you know of anyone who has ever tried one on a 6000+lb truck?

not sure of weight here, prolly 4500 or less.. but they are VERY rare in a 4wd .

http://www.youtube.com/watch?v=UVcRB1dVvJ4

http://www.youtube.com/watch?v=ztUwfLQPEao

 

[SDS97_7.3]

Normally i drive 55-60 on the highway because i'm not in a rush. So 4.10's would be pretty nice, maybe even 4.30's...

I wouldn't go with 4:30s and 35s. I hold around 6lbs of boost at 65-70 on flat ground with 4:10's and 35's.

 

[RSK]

I wouldn't go with 4:30s and 35s. I hold around 6lbs of boost at 65-70 on flat ground with 4:10's and 35's.

i think 4.10's are probably the best choice here.

 

[bigrpowr]

with a 6.4 , the spool is so early, 3:73 and 35's is plenty. 4:10's may be optimum for towing but they will hurt mileage.

 

[johnp115]

not sure of weight here, prolly 4500 or less.. but they are VERY rare in a 4wd .

http://www.youtube.com/watch?v=UVcRB1dVvJ4

Holy ****!!! thats nothing short of completely absurd lol

 

[SDS97_7.3]

with a 6.4 , the spool is so early, 3:73 and 35's is plenty. 4:10's may be optimum for towing but they will hurt mileage.

This, I know it's not much of a change but I have been considering swapping to 3:73's to get a little better millage on the highway.

 

[RSK]

with a 6.4 , the spool is so early, 3:73 and 35's is plenty. 4:10's may be optimum for towing but they will hurt mileage.

4.10's might hurt mileage, but i'm positive 3.55's and 35's aren't good for towing around town. even with 33's the rpms were too low on the highway unless i'm doing 80 but then i have too much throttle being used its building 15-20psi. more gearing less work for the motor. I wanna cruise with under 10psi of boost around 65-70. bigger turbos less boost down low?

 

[bigrpowr]

4.10's might hurt mileage, but i'm positive 3.55's and 35's aren't good for towing around town. even with 33's the rpms were too low on the highway unless i'm doing 80 but then i have too much throttle being used its building 15-20psi. more gearing less work for the motor. I wanna cruise with under 10psi of boost around 65-70. bigger turbos less boost down low?

with 4:10 you'll be higher in the boost range.

 

[madman1234509]

When I had my 350, the 35s and 3.73s anything over 75mph the truck felt like it was screaming down the highway. RSK with the vgt turbos it's probably going to be hard to have low boost at that speed and rpm because the computer probably sees the rpm, load on the truck and whatever else it uses to calculate it and probably adjusts the veins to make that boost.

 

[01pwrstkr]

Holy ****!!! thats nothing short of completely absurd lol

WHS!^^^ That SOB is nasty!!!

 

[Crack85]

When I had my 350, the 35s and 3.73s anything over 75mph the truck felt like it was screaming down the highway. RSK with the vgt turbos it's probably going to be hard to have low boost at that speed and rpm because the computer probably sees the rpm, load on the truck and whatever else it uses to calculate it and probably adjusts the veins to make that boost.

What gears do u have now??

 

[B585Ford]

Holy ****!!! thats nothing short of completely absurd lol

:whs: THANKS FOR POSTING THOSE VIDS MIKE!!!!

 

[B585Ford]

When I had my 350, the 35s and 3.73s anything over 75mph the truck felt like it was screaming down the highway. RSK with the vgt turbos it's probably going to be hard to have low boost at that speed and rpm because the computer probably sees the rpm, load on the truck and whatever else it uses to calculate it and probably adjusts the veins to make that boost.

I have the same setup...F350, 3.73, and 35s. I don't think it sounds like it is screaming...maybe it is because I have manual tranny and OD is geared different. Here's a vid of me towing 15.2k lbs running about 65 MPH IIRC (the windows are rolled up. In the beginning, I am going down a small grade, when the temps, boost, EBP go up, I am starting to climb a small grade.

https://www.youtube.com/watch?v=dKcVnL6Hozg

 

[madman1234509]

Hard to see what your rpm is. But I know on the way down south to truck events when the highways turn to 75mph speed limits rather then 65mph and we cruise at 80, the truck just feels like its screaming. The RPM are at 2100-2200 which I'm just not used to. Typical RPM from what I remember at like 75 was 1900 or so. Now I'm used to like 1800 or so with the 3.55s

 

[Stroked777]

I remember someone said that people seem to kill 5rs more with 3.55 than any other gear

Wow that 4wd dirt dragster is insane!

 

[RedRice589]

with a 6.4 , the spool is so early, 3:73 and 35's is plenty. 4:10's may be optimum for towing but they will hurt mileage.

with 4:10 you'll be higher in the boost range.

Blah blah who needs mileage.... It's all about that torque when loaded. :swordfight:

When I had my 350, the 35s and 3.73s anything over 75mph the truck felt like it was screaming down the highway. RSK with the vgt turbos it's probably going to be hard to have low boost at that speed and rpm because the computer probably sees the rpm, load on the truck and whatever else it uses to calculate it and probably adjusts the veins to make that boost.

You need to drive a 450 with 4.88's ,I had 35" BFG's and 4.10's NAND it was perfect. No it didn't quite have the top end my 3.55's had in my 2wd but you don't need it IMO plenty of truck there. Towing and driving around town it was so much nicer to me.

Hard to see what your rpm is. But I know on the way down south to truck events when the highways turn to 75mph speed limits rather then 65mph and we cruise at 80, the truck just feels like its screaming. The RPM are at 2100-2200 which I'm just not used to. Typical RPM from what I remember at like 75 was 1900 or so. Now I'm used to like 1800 or so with the 3.55s

Lol that perfect efficiency range for towing. I love my 3.55's driving around and absolutely hate them towing now. They were terrible in my 6.4 it would lug like a bich. Once you have the perfect gear for towing IMO you'll never want taller gears again. BUT my reasoning is because I tow more often than most. Plus with the way these trucks handle rpm's it's not like a damn 7.3 with 4.10's I had no problem running 85-90 unloaded but then again 12mpg is what I'm used to so there's no difference to me. Go 70 and I could pull 17.5-18. With the 4.10's.

 

[sootie]

4.10's might hurt mileage, but i'm positive 3.55's and 35's aren't good for towing around town. even with 33's the rpms were too low on the highway unless i'm doing 80 but then i have too much throttle being used its building 15-20psi. more gearing less work for the motor. I wanna cruise with under 10psi of boost around 65-70. bigger turbos less boost down low?

you will never get the boost that low with factory compounds. 14 psi is roughly where you will be

I remember someone said that people seem to kill 5rs more with 3.55 than any other gear

Wow that 4wd dirt dragster is insane!

doesnt surprise me as it is the highest gear you could get with a 5R