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It does not fit in the factory cradle... I removed that.
I used a 5" tube with a 9" dia x 10" length
https://www.raneystruckparts.com/dynaflex-under-truck-exhaust-muffler/
Started the Jake install today.
Before Paint...
Painted & Installed
It went pretty well....
Here is a link to the Jake install manual:
https://parts.jacobsvehiclesystems.com/files/support/docs-pdfs/Installation-Manual-for-Cummins-Models-400H-400-44B-44E-30E-and-25B.pdf
It tells you how to...
On oval pipe, I always use a bead, but I have had good luck with regular t-bolt clamps on just smooth pipes.
You can carefully flare the end by using a small crescent wrench tweaking the last 1/4" of pipe out slightly. It does not take much & you don't want to see a lump in the hose... At the...
It was a rather simple install.
I've built a lot of custom turbo/supercharger tubing for cars... this was easy compared to fitting 3.5" pressure tubing & a 4" intake in a Camaro.
Be sure to get aluminized steel or aluminum tubing so it doesn't rust on the inside.
Yes, but unfortunately it is almost impossible to see with the turbo & exhaust in place.
The turbo outlet points straight down, then a 90 deg silicone coupler facing the rear,
a 3.5" tube to a 90 deg coupler between cab & belle housing,
to a 45 deg coupler on top of belle housing, which I...
Had another learning experience today.
The throttle seemed sluggish & also slow to return to idle.
I could not see how a dual fuel line could cause this.
I had suspected the fuel pressure gauge could have air in the line which allows compression/expansion when the fuel pressure changes.
I...
Funny thing is the plug came out easily.... thought I had it under control. Then everything else went wrong.
Got the fuel pressure gauge in. It shows a max of 210 psi just before it de-fuels at 2200.
Unfortunately I wish it had more at lower rpm, but the 210 seems too high already.
It is just...
Did the dual fuel mod today.... a 2 hr job that took all day.
Replaced the front line with a new one. Kinked the first line.
Make a trip to the parts store for another line.
Got the front on & went to put in the rear fitting... it hit the head & would not thread in all the way.
2nd trip to...
I spent the evening trying to replace the cold start pressure gauge.... They sure didn't make it easy to get this gauge out.
Pulled the left side dash face loose & it allowed me to barely get a few fingers behind it to loosen up the clamp & fuel lines.
FYI, all the warning placards, serial...
Is that link also suitable for the 5 ton? It looks to be the same diameter.
$12 for a new one is hard to pass up.
If you look at my exhaust picture, I shoved a K&N style filter in the turbo for my preliminary start-up tests.
It worked until & got the factory filter housing mounted.
The turbo is a Holset HT3B with an undivided housing.
I have a set of #25 Jakes that I hope to start installing this weekend.
I'll try to get some pictures of the pressure tubing... most is hidden behind the engine.
I used 3.5" from the turbo & a series of silicone 90's & 45's to follow the...
Still verifying the filter restriction. An 855 at 2200rpm & 15lb boost is around 1100CFM.
I thought the filter was rated for more flow. I still have to get the filter monitor hooked up.
Currently at 14# boost.
I put a filter housing on the right side to duplicate the factory left side...
Started the 5" exhaust & soon realized there is hardly any straight sections of pipe before the stack.
I put in a small muffler under the hood & also a stack insert for noise control.
Here are a few pictures before everything was painted.
Essentially I bought a $300 engine instead of a new $600 manifold. Now I have a ton of extra parts.
I switched the location of the manifold, which gave me more clearance & also a better tubing path.
I could now run the air side tubing around the back of the engine, since the Jakes would not...
I've been doing some mods over the past few months.
It started with a radiator swap, that grew into a new water pump, belts & hoses..... and before long, a turbo, new exhaust & eventually Jakes.
I got a turbo & manifold with the truck, so I thought it would be easy. It turns out the seals...
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