Turbo dilemma....

apwatson50 said:
I see what you were getting at now, in that case, 12V has rectangular ports in the head, I know the 24V and CR have round ports in the manifold, don't know how well they match up?
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Nothing that a die grinder can't fix.
 
I ran into a problem a lot like yours when I did the compound turbo setup on in my 81 Chevy Cummins conversion. It seemed like there were limited places to put the primary turbo that still allowed for proper exhaust routing. I ended up having to pull the primary turbo forward almost directly next to the secondary. This gave me enough room to get the 5" downpipe under the truck. I am using a 62mm s300, a 75mm s400 and a PDI manifold flipped upside down. If you look at the pics you can see that my pipe connecting the hot side of the 2 turbos is quite a bit differant then the 90* elbow you have. You may have to build your own piping. Here are a couple pictures of my homebuilt setup. If you have any questions or need more photos feel free to ask. I hope this helps a little.


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Hdrokn, if you look at my buildup thread of my 67F100 you will see how I had to mount my twins. I did a similar setup to haloman since I could never mount a high and low turbo setup like most of the dodge guys do. The standard manifold mount/ fender mount (like haloman posted pics of) work well for the F100 trucks and looks kinda cool too.
 
i ran into firewall problems as well. i wound up taking out the heater core, and notching the firewall for the 5"dp, then building a tunnel for it.

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I would say you had it right the first time man. Run the secondary backwards, with a short 90 hotpipe into the s400, along with a mount to support the weight of it. Route the downpipe just above the shock tower and then out under the truck. Cold pipe goes over the secondary, with the pipe to intercooler coming off the secondary with the housing clocked toward the engine. You could always run a 4 inch downpipe off the s400 to save space too. Maybe trying flipping the manifold and running the secondary backwards? Just a thought. Good luck!
 
Shifty, How is that air to water intercooler working out? I considered running one but was unsure how they would work after repeates high power bursts. A lot of guys run them at the drag strip, but they add ice after each run. I won't have that option when driving around town. I ran an air to air not because it was easier, but because I was worried about the air/water not cooling well enough and I could not find enough information to change my mind. Having any issues with it?
 
Not sure if you have seen this yet, but here's another way just to give you so more ideas:
jepling said:
Here are a few on the engine stand. We will be putting them in tomorrow

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I would definitely stick with twins if you can in any way, you will like them much more. The piping will be unique for sure! Just another way to compliment the awesome fabrication on that truck already :rockwoot:

Is there any way to get a T4 industrial manifold?
 
White Knight, that looks awasom. I went through that positioning when I was trial fitting everything, but I never built the piping so I had not seen the final product. That looks great. The only reason I dismissed that positioning was because I wasn't going to be able to get an air filter on my trck that way. The engine compartment is rather short on my truck. What turbos are those?
 
White Knight said:
Not sure if you have seen this yet, but here's another way just to give you so more ideas:



I would definitely stick with twins if you can in any way, you will like them much more. The piping will be unique for sure! Just another way to compliment the awesome fabrication on that truck already :rockwoot:

Is there any way to get a T4 industrial manifold?
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MY GOD!! What size are those turbos!!! I really like how the are mouted too. Good idea
 
White Knight said:
Not sure if you have seen this yet, but here's another way just to give you so more ideas:



I would definitely stick with twins if you can in any way, you will like them much more. The piping will be unique for sure! Just another way to compliment the awesome fabrication on that truck already :rockwoot:

Is there any way to get a T4 industrial manifold?
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DAMN, thats slick!
 
Hurley said:
THat's jepling's engine setup
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Yeah those are not mine, I just quoted them. They are from this thread. They are a k31 and an s510 IIRC

HRDROKN said:
Thats a nice set up.... but no way will that clear my coilovers.

:Cheer:
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Yeah I'm not sure where you would find room for the down pipe, but a forward mounted primary and backwards secondary are ideas to play with. Good luck! :Cheer:
 
you can get industrail manifold, that is simailar to the common rail.. It comes off the industrail 12valve motors. i have one iam going to be using on the suburban:evil and yes it does get close to the alternator, so i will be changing the angle the flange points..
 
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S475 next to S595 from Bullseye Power ,120psi of boost pushing me deep in to the low 9's.
 

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Maybe try a 3rd gen manifold. It will move the secondary up and forward quite a ways. Heres how mine turned out

Edit: I see thats already been suggested

Manifold to secondary external gate adaptor
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