My intake got in a fight with my mill....
- Thread starter sonic_superduty
- Start date
sonic_superduty
New member
Gonna do some more touching up, and put the tops on, it has been a project but as everyone says that had done this before its amazing how well these things can run with that kinda restriction!
Powerstroked162
On Da Juice
'03 manifolds have the least restriction but include the super super crossover tune under the turbo, which doesn't help it as much as you'd think. The '04 manifolds have an external EGR casting that keeps flow contained in the runners themselves but it has castes walls in the runner inlet of the left and right bank that cuts the inlet opening by almost 40% percent. The 05-07 manifolds are the most restrictive units made. They have an integrated EGR casting with some really goofy casting pockets in the EGR casting. They also have integrated air scoops around the EGR valve to help grab the charge air off the inlet to mix with the EGR gasses. Very restrictive pieces. The runners don't have near the inlet issues as the 04 manifold does. Unfortunately the casting is still insanely prohibitive to performance. Cutting one of these apart at the runners reveals a lot. Cutting them in half throughout exposes every area equally as counter productive as the runners, in the intake throat. Little intake lesson there lol. OP, nice work. I'd suggest getting the manifold in a jig of somesort when it is welded and cooling after. These things do warp on a free stand.
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sonic_superduty
New member
Thank you sir, im gonna see what else I can do, im still in the learning curve! You even answered my next question! As far as warp! Should be interesting
HeavyAssault
Active member
That is some awesome work!! It's going to be a world of difference in the flow. The GOGO manifold was the key piece with my PowerMax.
Powerstroked162
On Da Juice
Cast
Arctic Fox
Member
Is the OP's manifold a 2004?
Powerstroked162
On Da Juice
Looks to be. May be late '03. There are variations in years, no *exact* cutoff in year but it comes pretty close to what I lined out earlier.
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sonic_superduty
New member
Its an 04 intake, has been interesting for sure!
Powerstroked162
On Da Juice
Not as easy as everybody thinks is it lol
What are you doing with the EGR system?
What are you doing with the EGR system?
sonic_superduty
New member
no not as easy as some would think, I think for this unit we will run a standard egr delete and weld up the egr valve port... haven't quite figured out how to route the coolant...
Powerstroked162
On Da Juice
I would be happy to set you up with my coolant return kit.
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e.nickkk
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Steve your reroute kit sure made it easy looking for another reroute kit pm me please
windrunner408
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It looks like the mill is winning for sure on this one.
Rmartin-97
Active member
I've got a stock 6.4 intake manifold if ya new one.
colinmitchell111
New member
That manifold came off a late 04 motor.
