- Sometimes in life,
there are things that are just so (beep) good
that people widely love them.
They're just wildly adopted all over the place.
We're talking about things like Pepsi or Coke, for example,
versus the good old RC Cola,
or Dr. Pepper, instead of, you know,
the generic Dr. Thunder.
Anyways, the same can be said when it comes
to building pickup trucks.
Take a look around at some of the higher horsepower builds,
for example,
and you're likely to find only a few common platforms.
Perhaps one of the most popular there though, however,
is the 6.7 liter Cummins Turbo Diesel.
Why are they so popular though?
Why do people choose this one
over some of the other trucks on the market,
and maybe better yet,
what can you expect if you wanted to build one for yourself?
I'm Dustin of Custom Offsets,
you guys can find me on Instagram @dusti.co.
And today we're having a nice little chat
about building your truck
and asking the ultimatum,
just like an overbearing father on your first date,
to find out,
so you want to build a 6.7 Cummins?
(dramatic music)
Let's get it.
Now, before we dive into this one,
we should probably set a baseline here
for exactly what we're talking about.
Introduced in 2007,
the common rail injection Cummins,
6.7 liter turbo diesel engine,
would produce 350 horsepower
and right around 650 foot pounds of torque.
This would be the only engine option until 2011,
when Cummins and Dodge would release their HO
or high output variant of the engine,
which made 350 horsepower and 800 feet pound of torque.
And from what the word on the street is,
that it would also drink quite a bit more fuel to do so.
Well not bolstering specs by today's standards,
at the time, these numbers were quite respectable
and unlike Ford,
they didn't have major head gasket issues
or bottom end failures, like the 6 liter
or the 6.4 power strokes did.
Side note, we just did an episode of
so you want 6.0 and a 6.4? You guys can check them out,
by going to the link right here.
(kids shouting in background)
The early 2000s really as a wild time in the diesel world,
but then again, this was really a wild time for everyone.
This was the same time that recording your favorite song
as your ringtone off the radio was trendy,
and the iPod nano was first introduced.
You guys remember that, by the way?
The tiny little square
with like the massive play button on the top of it?
You know, like Biggs probably doesn't even know
what that is because he would
have been like four when it came out.
Now that we got that out of the way,
let's get into the nitty gritty of today's topic,
shall we?
Hypothetically speaking here,
let's say that you just bought a 6.7 Cummins, and you know,
you want to give her a little more pep in her step, right?
A little more spoolie boy when you lay on the throttle.
I get. Where would you start? And you know,
what order would you want to install those mods,
if you're not going to do them all at the same time?
Of course, one note here is that, depending on who you ask,
you're going to get different answers.
Knowing this though,
this video is only going to recommend mods in an order
that would allow you to do so, you know,
to not absolutely detonate your engine
and send piston four to the moon, for example.
(rocket engine rumbling)
Step one or stage one, if that's what you're into,
if you're like a WRX kid or something,
is going to be getting your engine breathing better
than stock.
Now, I'm sure you guys have heard it before,
as intake systems have been around
for a long time on the market,
but colder air is colder, first of all,
which means it's more dense and it's overall just better
for making power.
And of course, power is the name of the game here.
First step we're going to do to a Cummins is ditch
that restrictive factory air box
and size it up with a nice sealed cold air intake system
from companies like Banks or S and B,
both of which are available with the Custom Offsets website,
by the way, we carry intakes and exhausts and tuners
and all sorts of stuff.
In the same breath...Do you get it?
We're talking about your engine breathing.
You know, breath. No?
- [SpongeBob Heckler] Oh brother, this guy stinks!
- [Fish] Hey, hey funny guy! I got a joke for you,
what smells rotten and puts people to sleep?
Your act! (fish laughing)
- Once you've got your intake figured out,
you're going to want
to get those exhaust gases out of the engine
and away as quickly and efficiently as possible.
When it comes to diesel exhaust,
there are really only two options, right?
You can get a four inch exhaust
or you can get a five inch exhaust.
And now, despite what the internet will tell you,
the biggest difference that you're going to find
between these exhausts is sound, really.
I mean,
a four inch is going to be a little bit more refined,
a five inch is gonna be a little more throaty.
Additionally, there are some horsepower limitations
to a four inch exhaust system, but you know,
you really gotta be putting down some serious ponies
for this to even be an issue.
We're talking, you know, truthfully anything north of 500.
And that's where you start to see some issues.
Otherwise below 500,
a four inch exhaust is going to be fine though.
The five inch does sound pretty (beep) throaty,
and it sounds great, if you ask me.
This is where the guys can insert a clip
of a five inch exhaust.
(exhaust humming)
And now that we've got colder, more dense air flowing
into the engine, and your exhaust (beep),
it's hauling the mail,
getting all of those exhaust gases out of the engine,
and away from it,
you're going to want to tune your truck
to ensure that you can actually see some horsepower gains
from all the parts
that you just spent all your hard-earned money on.
For many applications,
an off the shelf plugin flash tuner is going to do exactly
what you need here in terms of supporting you.
Companies like Bully Dog, Edge
and SCT all make plugin flash ready tuners
that are going to help you get more horsepower
and torque out of your engine without breaking the bank.
It's pretty simple.
Just plug it in, press the button,
it downloads the tune, you're good to go.
It's that easy. It's like the easy button, but for power.
Just easy, easy, easy.
If you guys are looking to push this build even further,
a custom tune for your truck may be a great option
for you here,
as it's truly gonna allow you to dial in the tune
for the mods that you have,
the environment you're in,
and ultimately make you the most power for your setup.
Another quick call out here is that,
while it's technically not a requirement,
by this point we do recommend a good set of gauges
for your truck, right?
Good gauges are going to help you keep an eye
on all the essential functions of your truck
and make sure that you're not, you know,
doing something you shouldn't,
or maybe pushing something past the limits, you know,
of what it's supposed to do and leaving you stranded.
Ask Jared, this dude.
A trans temp gauge probably would have saved him
all of the headaches of leaving his truck in Georgia,
you know, on the way to Daytona
because he literally melted a trans.
My personal preference here
is going to be the Bank's iDash Data Monsters.
Now there's a lot of options
when it comes to digital gauges,
but I've got two of these Bank's iDashes in my Duramax,
and let me tell you, they absolutely rock.
They're sleek. They're slim. They sit on the pillar,
just like a standard gauge pillar pod set up would,
but they have all the flexibility of a plug
and play gauge system.
Plus Banks has literally everything that you could need
for these things.
Temp, sensors, pyrometer, speed sensors.
It's all there. It's all available.
And you can look at every parameter of your engine.
Outside of these basic bolt-ons though,
there's a ton of parts available for your truck,
depending how intense you want to go.
We're talking things like ARP heads studs,
new valve springs, and push rods,
which are all gonna keep your engine happy and healthy
should you decide that you want
to throw even more power at it.
While these little guys are, you know,
keeping things running smoothly in the old internals,
things like a Bank's Monster Ram intake is going
to get you more flow into the engine.
Additionally, at this stage in the game,
it's a good idea to swap on an aftermarket lift pump
from companies like Fast, for example.
Now, not only are these lift pumps going to make sure
that your stock fuel pump is getting the fuel it needs
and not starving itself,
but it's also going to keep your diesel fuel clean
and filtered, as well as remove any water
that may have found its way into your diesel fuel.
Now, I'm not sure if you guys know this,
but water and diesel fuel is very big bad.
It doesn't, it, it does bad things.
You don't want that. At the end of the day,
this is going to keep your engine happy.
It's going to keep it healthy.
And it's going to keep making all
of the high horse power goodness that you guys desire.
Do you guys have a Cummins build?
If so, what are the details?
If not, and you want one, what do you want to build it to?
Let us know down in the comments section below,
and as always, be sure to subscribe to the channel
if you guys haven't already.
With that, I'm Dustin with Custom Offsets.
We'll see you guys on the next one.
Peace.
(mellow music)