Mods? Whats Too Much?

[mbrannon]

OK, I've never modified any truck I've owned... Never put on a lift or increased the tire diameter more than stock.. So I see the neighbors truck down the street, 6 inch lift and 37" tires; what effect does that have on the engine and transmission? Does it void the factory warranty on drive train? How much is too much? I want to lift and get a larger sidewall height, how far can I go... I was ready to pull the trigger on a RC 2" leveling kit, then I saw the results of a fabtech 6"...Wow, but what kind of strain is put on the engine???

[VMax2007]

It really depends on the gears in the rear end.

[georgerosen06]

i put a 6 inch lift on a ten year old truck(at the time) and it still ran great. dident put much strain on the engine once i got everything recalibrated. The truck had 35's on it and the engine and tranny were fine untill i started off roading and rock climbing. bottom line IMO is if you do stuff to your truck but be responsible (ie no jumping your truck(learned the hard way)not burning out at every stop light, not racing every car that goes a little faster than you) your truck will last a long time.

[takevin]

You can never mod enough But when you start jacking up a truck, stuff will run down faster, things will break quicker, etc. My other truck was a money pit.

[tobias]

You can never mod enough

 

Im running for modwhore president

 

You'll get my vote as long as you wear your hood liner jacket at the inauguration!

[2000DV4.8]

Well, technically, 37s are too big for the IFS in our trucks. 35" is the largest you can go safely. If you do get a 6" lift with 35" tires, you will need to re-gear both front and rear, preferably to 4.56s, but if you currently have 4.10s, you COULD get away with just leaving those and running 35s.

 

Use the search feature too, you'll probably find answers to some things quicker than waiting for replies here.

[takevin]

You can never mod enough

 

Im running for modwhore president

 

You'll get my vote as long as you wear your hood liner jacket at the inauguration!

 

 

 

Sweet, i'll assign you a cabinet position!! Wait till you see next weeks mod, more tangerine goodness with ..........

[thecraft]

Well, technically, 37s are too big for the IFS in our trucks. 35" is the largest you can go safely. If you do get a 6" lift with 35" tires, you will need to re-gear both front and rear, preferably to 4.56s, but if you currently have 4.10s, you COULD get away with just leaving those and running 35s.

 

Use the search feature too, you'll probably find answers to some things quicker than waiting for replies here.

4.56 gears are for pussies... I need the two-speed axle out of my uncle's dumptruck. 7.17:1 in high speed, 9.76:1 in low!

[2000DV4.8]

Well, technically, 37s are too big for the IFS in our trucks. 35" is the largest you can go safely. If you do get a 6" lift with 35" tires, you will need to re-gear both front and rear, preferably to 4.56s, but if you currently have 4.10s, you COULD get away with just leaving those and running 35s.

 

Use the search feature too, you'll probably find answers to some things quicker than waiting for replies here.

4.56 gears are for pussies... I need the two-speed axle out of my uncle's dumptruck. 7.17:1 in high speed, 9.76:1 in low!

 

 

That's frickin insane! Those are lower than a freaking rockwell (6.72 IIRC).

[pm26]

That's frickin insane! Those are lower than a freaking rockwell (6.72 IIRC).

 

That's what I have in my deuce and half. Rockwell axles with 6.72 gear ratio. Some older Army trucks, like the old tank hauler tractor with the 300 Cummins engine, use 10:1 axle gear reduction

on all axles. There is no high and low axle shifting.

[tobias]

You can never mod enough

 

Im running for modwhore president

 

You'll get my vote as long as you wear your hood liner jacket at the inauguration!

 

 

 

Sweet, i'll assign you a cabinet position!! Wait till you see next weeks mod, more tangerine goodness with ..........

 

 

Secretary of the Treasury please.

 

I'll have some shit to deal with first but then I'll make sure everyone has plenty of mod money!!!

 

I can't wait to drop an LS9 into an Escalade.

[2000DV4.8]

That's frickin insane! Those are lower than a freaking rockwell (6.72 IIRC).

 

That's what I have in my deuce and half. Rockwell axles with 6.72 gear ratio. Some older Army trucks, like the old tank hauler tractor with the 300 Cummins engine, use 10:1 axle gear reduction

on all axles. There is no high and low axle shifting.

 

 

Can you PLEASE post some pictures of this 2.5 ton? You always reference it, but I wanna SEE IT!

[jrrod2004]

WTF is all this offroad axle ratings?!?!?! is somebody trying to traverse the atlantic ocean or 4 wheel it up the rockies?!!!!!

 

Highest I have ever heard used was the 6.72, not no 7.17:1 in high speed, 9.76:1 in low and 10:1 axle reduction....

[pm26]

WTF is all this offroad axle ratings?!?!?! is somebody trying to traverse the atlantic ocean or 4 wheel it up the rockies?!!!!!

 

Highest I have ever heard used was the 6.72, not no 7.17:1 in high speed, 9.76:1 in low and 10:1 axle reduction....

 

Here are some pictures and specs on the M123 Army truck with the 10:1 ratio differentials:

 

http://www.olive-drab.com/idphoto/id_photos_m123.php

 

Based on 166 gallons of fuel capacity and 300-350 miles cruising range, this truck gets about 2 MPG.

[mbrannon]

So, the extent of lift and tire size depends on the gearing... OK I can buy that. 35's are too tall for anything less than 4:10 gears.. OK... got it....