Exhaust and Intake opinions - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 6 Old 10-25-2010, 04:21 PM Thread Starter
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Unhappy Exhaust and Intake opinions

I recently bought a used 2005 F250 6.0L 4x4 and pretty sure I have a blown EGR cooler so I'm ordering parts for that repair and all the other weak links of the 6.0.

I'm not looking to race the truck and I drive fairly conservatively and will pull a 10K load on occasion. I'm looking to try to increase my MPG as much as possible and have a reliable truck.

Since I will be needing the SCT tuner to keep my CEL from coming on I'm sure I'll be putting a little performance tune in as well so my questions are first will I need an exhaust system to prevent the EGT from running too high? If so what's your recommendation for exhaust, I'm not wanting stacks or anything that is very loud, just a good flowing system to help EGT and MPG #'s. Cat delete? Muffler delete? 4" or 5"?

I have heard the stock intake is pretty decent for these trucks but was looking for a reusable air filter instead of a disposable $75 filter. Looked at S&B and they claim better filtration and air flow than stock. Want to keep good filtration over air flow and again I'm not looking for top end performance from this truck just good torque for pulling.
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post #2 of 6 Old 10-25-2010, 04:23 PM
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Unless you are going for 500hp+, keep the stock intake. As for the exhaust, I have a 4" with no cat and do have a muffler. Sounds good, actually its quiet.

2006 F350 CCLB KR FX4

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post #3 of 6 Old 10-25-2010, 04:59 PM
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ya if you dont want loud do a 4 inch exhaust with a muffler and no cat. makes for a good rumble and not ridiculously loud. diamond eye is what i bought, its the cheapest i could find for stainless, and is holding up great

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s467 MPD single kit, H&S Jesse Byall tuning, No limit IC piping and intake,mishimoto intercooler, MPD billet CCV/oil filler, FASS with sump, SOTA A.W.O.L. polished wheels, toyo rt tires, RED Newton traction bars, oem projector retrofit and a bunch of LED lights LOL

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post #4 of 6 Old 10-25-2010, 05:06 PM
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SCT with innovative tuning, Their FICM, S&B is a good filter to chose. Do either cat and muf delete pipes or a 4" turbo back.
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post #5 of 6 Old 10-26-2010, 06:01 AM
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You didn't specify what parts you have ordered to fix your problem with the egr cooler. If you haven't done so already you need to rebuild the oil cooler since it is the cause of the egr cooler failure. While you are at it you might as well replace the HPOP reservoir screen under the oil cooler and change the STC fitting and dummy plugs in the heads.

Flush the cooling system with VC-9 and Restore to get rid of the silicate residue then refill with a Cat EC-1 rated ELC coolant (red). This will prevent the oil cooler clogging with silicate crud in the future.
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post #6 of 6 Old 10-26-2010, 03:50 PM Thread Starter
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Haven't ordered anything yet, still making a list but the STC fitting, oil cooler, screen and dummy plugs are all planned. I don't know about tackling the head studs right now as I currently don't have the space and time needed to feel comfortable with that job for now. I do need some more info on the coolant, didn't know that the coolant had silicate that was causing the screen to stop up.

I haven't studied the relationship of the oil cooler causing the egr cooler to fail, can you explain how this happens. Also since I am a fairly conservative driver, by putting a custom performance and or towing tune on the truck what do you suppose the odds are of causing some blown head gaskets if I don't dog the truck? Thanks for all the info guys.
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