Keeping your EGT low? - Ford Powerstroke Diesel Forum
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Old 04-30-2012, 09:37 AM
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Keeping your EGT low?

I'm wanting to find a mod or something that will allow me to keep EGT's low.
(Exhaust gas temps)

Is there something that can be done to be able to lower EGT's but without losing performance?

I have a 2003 f250 7.3 turbo rear wheel drive diesel.

Check my signature for mods and performance parts Ive got.

Last edited by irishluck; 04-30-2012 at 12:40 PM.
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Old 04-30-2012, 10:11 AM
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what temps are you seeing that makes you think your high on your EGT temps??

What setting are you running in all the time??
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Old 04-30-2012, 12:38 PM
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Well its not that there running high high, its that I like to race alot.

(now please noone give me crap or ask me why I want to go to the strip, thats not why I'm here, I'm just wanting some advice to lower the EGT's)

And those EGT raise pretty fast and once they get up to 1100 degrees, Ya got to let off the pedal before it gets too much higher

Im just wanting to know a way to be able to keep the EGT's a little cooler.

Im usually running on my economy tune or my 100HP performance tune
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Old 04-30-2012, 02:22 PM
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6.0 Intercooler, water meth. injection, zoodad mod might help. Im sure there is other stuff i am forgeting as well.
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Old 04-30-2012, 02:37 PM
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Well another thing is, where you got your egt probe plumbed in at?? downpipe or exhaust manifold??

Like he said, do the zoodad mod, maybe pickup a wicked wheel, a larger exhaust housing for your turbo, really you could even pick up a van turbo, that would help out some as well.
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Old 04-30-2012, 03:53 PM
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You need more oxygen in the combustion chamber.

This is done by either cooling the current air charge or increasing the boost pressure.

As said above, going with a larger exhaust housing will allow more exhaust to pass through at the expense of slower/later spool time.

An updated turbo may help in your situation like the 38r or some other aftermarket design.
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Old 04-30-2012, 04:27 PM
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hell you can hold 1250 all day and up to 2k for short burst. but more air helps with egt. might look into a van turbo or an sd66 which come with a 1.15 a/r exhaust housin and larger turbine wheel.
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Old 04-30-2012, 06:39 PM
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just wanted to add; do not get a 6.0 intercooler even if its free. You will not gain much if anything at all.

I can hit 1250 by the time I hit 50 MPH and around town is typically 800 on 80e (driving like an old lady), 120r is even worse. sad thing is I think 80e is just as fast.
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Old 04-30-2012, 08:57 PM
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Wow, some excellent advice here.

Where to start....

Okay so you said a bigger downpipe.

So maybe a 5" downpipe from the turbo and connect it to the 4" straight to the rest of the system correct?

Thats sounds like an easy install.

I did read somewhere that the 6.0 inter cooler really doesn't help that much also. So I prolly wont upgrade to that.

So an upgraded turbo eh?

If I wanted to keep the turbo I have for now (considering its a couple grand for a new one lol)

I could upgrade the turbine its self?
How hard would that be to install? And where would I get a bigger turbine for the stock turbine?

The EGT temp probe is screwed into the exhaust manifold.
My temps run at around 600 driving around town.

Ill have to look into this zoodad mod and see how and what it would take to do.

Im going to take a picture of my truck filter to and I bet you guys will be able to tell me some tips on what to do with that. I say this cause I think there is some performance left there that I can tweak with!
Ill have to wait until I get my truck back though!

You guys said using a van turbo? what kind of van?

What do you guys think about a twin turbo system? or is that even possible on one of these trucks?

I thought running at 1250 was bad on our diesels? Being that it would melt the pistons and rings?

Again thanks for the great info guys!

Look forward to hearing back from you all!


EDIT:

Also I wanted to add, and this is just a thought, but If i wanted a deeper sound in my exhaust I would need to upgrade to a 5" exhaust wouldn't I?

Last edited by irishluck; 04-30-2012 at 09:08 PM.
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Old 04-30-2012, 09:11 PM
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they don't make a 5" down pipe, a van turbo is off a e series van, they have a larger exhaust housin because a van doesn't have an intercooler. you can get a new turbo for under 1500. compounds aren't impossible, but at your skill level they aren't cheap. with stock injectors you should be able to make 1/4 mile passes to the floor without worryin.
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