60/71 twins?

[SSpeeDEMONSS]

How would they work for a mild hp build? 5-600hp and quick spool. With 155/40s. 60/60/9cm and 71/73/.84. It's just something I was thinking about on my drive home from work.

Garrett

 

[Mixedbreed]

In for knowledge. I was thinking something similar today.

 

[Mike@MPD]

Kinda what you are talking about ?

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[PowerStrokeEnginuities]

Wish I had the room for this..^^^^^

 

[Mike@MPD]

Its something Craig is testing. Not bad so far. Needs to get the sizing dialed in a bit more

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[PowerStrokeEnginuities]

No room lol

 

[Mikeh1725]

He351/s471 setup? Know it's popular in the cummins world which I assume would work well on a powerstroke application. I would just worry about back pressure with the small exhaust housing, but with a good wastegate you should be able to tune around it.

 

[SSpeeDEMONSS]

Mike@mpd- not quite. Same locations but I don't know about not intercooling the secondary but if it works.

I was actually talking about an A5K/k31. I think the wastegate on the he351 would be sufficient to keep back pressure in check.

This was just an idea for some cheap twins, I could fab everything myself. How would 155/40s drive them?

Garrett

probably getting paid at work to post this from my bionic

 

[TooMuch03]

Its something Craig is testing. Not bad so far. Needs to get the sizing dialed in a bit more

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I seriously hope I am not the only one noticing the VGT in the hp position...

 

[SSpeeDEMONSS]

I seriously hope I am not the only one noticing the VGT in the hp position...

I'm on my phone and I didn't even look close enough to notice. What charger is that?

Garrett

probably getting paid at work to post this from my bionic

 

[Breaking Habits]

VGT for the win

 

[Mike@MPD]

03 turbo

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[Breaking Habits]

Mikey, did he end up gated to the feed pipe

 

[07_powerstroke]

:drool:

 

[SSpeeDEMONSS]

I thought the stock turbo couldn't be used in a set of twins? At least that is the impression I got a few years ago when I asked about it.

Garrett

probably getting paid at work to post this from my bionic

 

[TooMuch03]

Mikey, did he end up gated to the feed pipe

Also curious.

 

[Breaking Habits]

I thought the stock turbo couldn't be used in a set of twins? At least that is the impression I got a few years ago when I asked about it.

Garrett

probably getting paid at work to post this from my bionic

My impression, is it would have to be tuned as a 6.4 is.

You would have your tuning so that the EBP wouldnt get confused if a gate (via a dump tube) were to open and drive the low pressure harder. Idealy, a VGT is ideal, if your looking for a stupid fast spooling set up. It CAN be used, but there will need to be a lot of communication between builder/tuner, and with gate tuning

 

[TooMuch03]

As long as you size the lp right, and don't go nuts on fuel, you wouldn't necessarily need a gate, right. If you didn't gate the VGT at all, that would simplify the tuning part of it immensely, I would think.

 

[SSpeeDEMONSS]

I don't really want to go over a 155 injector. A smallish primary with the stock vgt would make for a great set and do exactly what I want. I wouldn't think an external gate would be needed for that much fuel. Only difficult thing I could see would be tuning. Also, how would the stock vgt survive? If back pressure was kept in check it should live just fine I would think.

Garrett

probably getting paid at work to post this from my bionic

 

[Mike@MPD]

Quick video with the street tunehttps://www.youtube.com/watch?v=kHu4IoeOVFg&feature=youtube_gdata_player

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