Colt stage 2 thoughts
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Cargo Master
Joined: Mar 2010
Posts: 2,227
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From: Higginsville, MO
Colt stage 2 thoughts
Who’s running the colt stage 2 cam? How much improvement have you seen?
I’m helping a couple buddies with their 6.0 builds, but I’m a 7.3 guy myself. I ordered a stage 2 for my 7.3 but it’s not back in the truck yet, waiting on machine shop to finish with my block.
I’m helping a couple buddies with their 6.0 builds, but I’m a 7.3 guy myself. I ordered a stage 2 for my 7.3 but it’s not back in the truck yet, waiting on machine shop to finish with my block.
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TooManyToys can speak to this. Another user whose name escapes me can speak to it as well. I just can't remember his handle at the moment.
The need for the cam depends on what you're doing with the truck.
The need for the cam depends on what you're doing with the truck.
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Cargo Master
Joined: Mar 2010
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From: Higginsville, MO
for the most part he uses it to tow around the sea ark when we go on fishing / camping trips. Occasionally moving equipment / construction materials.
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From: Houston, Texas
Then I wouldn't recommend it. The stage 2 cam is designed to perform. The stock cam despite its potential issues, is designed for towing power.
If you have to replace the cam and can't find a stock cam, the most I would do is a Killdevil Diesel Stage 1 cam.
If the cam is in good shape, another option is an Odawg S2R intake manifold. It flows 46% better than the stock manifold and really makes the engine come alive.
If you have to replace the cam and can't find a stock cam, the most I would do is a Killdevil Diesel Stage 1 cam.
If the cam is in good shape, another option is an Odawg S2R intake manifold. It flows 46% better than the stock manifold and really makes the engine come alive.
The Struggle Bus¯\_(ツ)_/¯
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Based on your experience, what can be expected using this intake with stock turbo and injectors? I'm on the fence regarding buying one. My build objective is heavy tow reliability, fuel efficiency, and performance for a 10k lb travel trailer. No racing for me...I'm almost always pulling something.
Hotshot
Joined: Dec 2014
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From: Jersey Shore
I'd rather have my old '03 cam than the Stage 2. The '03 was better than the '04.5+ cam, which was carried over to the 6.4L. I went with Stage 2 because, at the time, Stage 1 cams were reground stock cams, and I definitely did not want that.
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Cargo Master
Joined: Mar 2010
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From: Higginsville, MO
Hmmm those are some pretty interesting opinions, especially since they’re completely counter to what colt states the stage 2 cam is for…. “This is meant from your standard work truck, to people hauling loads daily to your weekend warrior. It is a great option for everyone except the most serious of competition vehicles.”
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Hotshot
Joined: Dec 2014
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From: Jersey Shore
As I've said in the past, my comparison is to the '03 cam, used in the engines with the ICP at the back of the engine, which is a different cam than the following years. The '03 engine is known for its off-the-line performance, usually with some black exhaust smoke. But it's a combination of the cam, programming, and turbo, which is why I did not comment on this thread initially.
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From: Houston, Texas
Originally Posted by 4Kids
Based on your experience, what can be expected using this intake with stock turbo and injectors? I'm on the fence regarding buying one. My build objective is heavy tow reliability, fuel efficiency, and performance for a 10k lb travel trailer. No racing for me...I'm almost always pulling something.
Cylinder 7 & 8 are the last to get air and there isn't near the volume that cylinders 2,4, and 6 or 1, 3, and 5 are getting by the time air makes it to the back of the engine. The same goes for fuel, this is why Riffraff diesel has an Frx for the 6.0 now and it's something else I'm including in my build. Sure a stage 2 turbo would force a higher volume of air to the rear cylinders but the main issue is the intake manifold.
The benefits as far as I see:
-More air = Better burning fuel and quicker turbo spool.
-Better burning fuel also means less EGR soot to be recirculated through the intake.
I'm still on the fence about slapping a 2003 cam in mine and seeing what it does. To me, that would be the cherry on top of it all.
The Struggle Bus¯\_(ツ)_/¯
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FTE Leadership Emeritus
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From: Houston, Texas
Originally Posted by 4Kids
My apologies to the OP for the thread hijack, but I didn't know about the Riff Raff Fuel Rail Crossover (FRx) system that they came out with. This looks like an affordable and less intrusive method of getting a regulated fuel return, correct?
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