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01 Excursion. I see soot on the trans dipstick and all along the passenger side of the up pipes. The driver side is starting. EGT doesn't change in 40 or 60 Tow or 80E. Boost seems a little low for my liking. Looked under and saw that wonderful mess.
So, I need some options. Should I try the GM gaskets or just chuck it for the International Up Pipes. ITP wants $425 for them. Riffraff wants $389. Should I drop another $90 for the ceramic coat? What does it do for that money?
Hey Aklim. I would go with the IH bellowed right off the bat. I didn't get the coated pipes and don't know how much it will help. Clay has the best price. Even if you do the gm gaskets, you will be doing this again in the future.
Hey Aklim. I would go with the IH bellowed right off the bat. I didn't get the coated pipes and don't know how much it will help. Clay has the best price. Even if you do the gm gaskets, you will be doing this again in the future.
Yes get the bellowed up pipes. I got mine from Clay. I can't help you on the ceramic coating though.
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That is the part I am unclear of. Is it one of those "Oooh! and Aaahhhhh" things or is the gain minimal at best?
So far, that seems to be true
That is what I seem to hear. That it will be leaking again and again.
When you take your old up-pipes off, look where the gasket sits on the pipe, you will see that the gasket caused an indention in the pipe. Thats why after people change the donut, it starts leaking in a short time again. The bellowed up-pipes don't have the donut, it has a metal gasket that will not leak.
I was able to tell a difference when pulling the 5th wheel up a grade.
Maybe not quite the OOO-AAAH difference, but it is better none the less.
.
The biggest satisfaction that I get from owning a set of bellowed pipes is the knowledge that the exhaust drive pressure is not leaking anywhere which reduces turbo efficiency.
I can tell you one story.
I installed a set of bellowed up-pipes on one of my customer's E-450 work trucks.
His were leaking so badly that it was spraying soot all over the bell housing, inside the doghouse, etc.
Within 5 minutes of him picking up his truck, he was on the cell phone asking me what all the whistling was.
All it was, was his turbo was now doing it's job and charging the engine!
The ceramic coating is supposed to hold more heat in so it's there to drive the turbo instead of heating the engine compartment. I think would be better if you got the turbo housing and manifolds done too. The manifolds are certainly more of an engine-out job, no doubt. But the turbo exhaust housing, probably not. Plus it'll look REALLY nice.
Struggled with the same question, slowly I'm seeing less and less boost and higher EGT's - I know mine have been leaking forever... (295k mile truck now!)
I will keep this truck as close to forever as fate allows, so I only wanna fix stuff ONCE. So bellowed up-pipes it is. Ceramic coating from RiffRaff is inside & outside pipes - very cool, pun intended . It does keep heat inside the pipes, driving the turbo instead of heating the engine compartment. Should make high-boost EGT's lower because turbo is more effecient. IIRC, Clay said the vendor he uses garuntees the highest temp differential for the coating he could find. BTW, he only charges us COST for this extra, keeping the price very affordable. THANK YOU!
So, mine are on the way - along with CAC boots. Hopefully I'll get to be home long enough next week to get'em installed...
Bellowed for sure. As far as the ceramic coating, it really depends on what your plans are long term with the truck. I should have gotten mine done when I put them in. I have my turbo exhaust housing coated and I am putting in coated manifolds in a couple weeks. Soon I will have to have the truck down to have the up-pipes coated too.
Same as everyone above. I would get the ceramic coating done also for the same reason everyone else has already stated. Heck, I want to ceramic coat my whole engine though.................
Bellows are on my list of things to do. Probly will be the very next thing I spend money on. When I put my van turbo on I saw how badly they are leaking.
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