F-Series & SuperDuty Diesel Forums

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Message History

6.0L Powerstroke Delete and Exhaust Manifold Kits – Worth It?5 hrs

Hello everyone.

Has anyone here recently installed or compared different 6.0L Powerstroke delete kits along with aftermarket exhaust manifold upgrades? I'm trying to understand real world differences in performance, reliability, and EGT control between popular brands.

Some owners claim noticeable gains in spool and reduced heat, while others say the improvemen...

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Anyone have ideas on why dash lights don’t go off with engine running . Just bought this at an auction. Runs real go...1 week

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Dura 2018 3500HD def leaking filler neck3 weeks

Hello all fellow super duty enthusiasts,

I was wondering who else has a GMC, leaking at def filler neck to ground.
For now, I siphoned out of box with 3/8 poly tube down inside neck to bottom, and it bypassed maybe a split in the hose ...??

I ordered a 84646525 AC Delco Diesel Emissions Fluid (DEF) Filler Neck off Ebay
2018 3500 HD GMC 41,000 miles

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