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08-30-2017, 06:24 AM
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#1
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Name: Tobin
Title: 5.7 IDI Powaa!
Status: Not Here
Join Date: Oct 2008
Location: Oviedo, FL
Member`s Gallery
Posts: 1,496
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Intercooler
Anyone intercool between stages on a compound setup?
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-30-2017, 06:34 AM
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#2
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
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Posts: 4,396
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I've read threads where it has been done on here, Rona's thread when he had that first gen was probably the most complete. I think it's more work than the outcome is worth.
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08-30-2017, 07:37 AM
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#3
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Name: Tobin
Title: 5.7 IDI Powaa!
Status: Not Here
Join Date: Oct 2008
Location: Oviedo, FL
Member`s Gallery
Posts: 1,496
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Quote:
Originally Posted by jasonc
I've read threads where it has been done on here, Rona's thread when he had that first gen was probably the most complete. I think it's more work than the outcome is worth.
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I'll have to look it up. I think it will be way easier to plumb in my case (big>intercooler>small>engine) than big>small>intercooler>engine.
__________________
2006 Dodge 2500 QCLB 4x4 Goerend 48RE
1977 F250 RCLB 4x4 "High Boy" 12 valve, 180 pump, 5x.014, S363/S475, Goerend 47RH, NP271, 2007 D60/Sterling 10.5, 40" Toyo MTs
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08-30-2017, 01:01 PM
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#4
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Name: 56cummins
Title: Too Much Time
Status: Not Here
Join Date: Mar 2014
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Posts: 733
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Cooling after the secondary is more beneficial if your only running one.
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95 cummins
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08-30-2017, 01:04 PM
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#5
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Name: takedown95
Title: Too Much Time
Status: Not Here
Join Date: Aug 2011
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Posts: 2,841
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Have you considered a water or methanol injection instead? A little easier to plumb and the same effect essentially.
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08-31-2017, 08:15 AM
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#6
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Name: jlbayes
Title: Too Much Time
Status: Not Here
Join Date: Mar 2011
Location: michigan
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Posts: 2,399
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Drothgeb is.
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Jacob, 97 rclb
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08-31-2017, 11:09 AM
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#7
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Name: unfinished business
Title: Too Much Time
Status: Not Here
Join Date: Mar 2008
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Posts: 968
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Quote:
Originally Posted by 56cummins
Cooling after the secondary is more beneficial if your only running one.
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Not trying to be a smart@ass, but are you sure about that? I always thought a lot of heat was generated between the primary and secondary?
__________________
2018 Megacab 2500 - DD
1971 Chevelle - LBZ
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08-31-2017, 11:14 AM
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#8
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,961
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Quote:
Originally Posted by unfinished business
Not trying to be a smart@ass, but are you sure about that? I always thought a lot of heat was generated between the primary and secondary?
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No, the higher pressure, and therefore higher heat would be generated after then secondary...
I've always planned on intercooling between stages on my next twin build, but I've not built another set since about 2010.
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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08-31-2017, 11:26 AM
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#9
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Name: unfinished business
Title: Too Much Time
Status: Not Here
Join Date: Mar 2008
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Posts: 968
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Quote:
Originally Posted by Signature600
No, the higher pressure, and therefore higher heat would be generated after then secondary...
I've always planned on intercooling between stages on my next twin build, but I've not built another set since about 2010.
Chris
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Are you talking about dual intercooling or just between stages?
The reason I asked my prior question is if you just intercool between stages, the secondary gets cooler air that is already compressed. Wouldn't that reduce the total heat input from the secondary?
__________________
2018 Megacab 2500 - DD
1971 Chevelle - LBZ
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08-31-2017, 11:57 AM
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#10
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
Member`s Gallery
Posts: 11,961
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Quote:
Originally Posted by unfinished business
Are you talking about dual intercooling or just between stages?
The reason I asked my prior question is if you just intercool between stages, the secondary gets cooler air that is already compressed. Wouldn't that reduce the total heat input from the secondary?
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Yes, it would...however, the higher heat, and therefore the higher gain from the cooler would be after the secondary.
The large primary making 25-35psi is much more efficient and cooler air than the secondary making the same 25-35psi it "thinks" it's making.
Would a intercooler (actual name for a interstage cooler) make some difference versus having ZERO cooling, absolutely...but if my option is to run a interstage cooler only, or an aftercooler only, I'm going with the aftercooler...
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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08-31-2017, 12:30 PM
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#11
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Name: 56cummins
Title: Too Much Time
Status: Not Here
Join Date: Mar 2014
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Posts: 733
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The greater the temperature differential, the more work a heat exchanger can achieve. If your secondary is adding heat, Ill stand by my statement.
__________________
95 cummins
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08-31-2017, 03:56 PM
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#12
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Name: SWALLDOG
Title: Too Much Time
Status: Not Here
Join Date: Jun 2008
Location: Woods Cross, Utah
Member`s Gallery
Posts: 454
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Wide open performance would intercool between stages and not after the secondary (high pressure) turbo on the triple set ups they built. I heard it was so they could run a smaller secondary for spool up why still keeping it in its map. Not sure though.
I've thought about changing the piping on my compound set up to intercool between stages to see if it changes my intake temp. But it seems like a lot of work just to see. Lol
Sent from my LG-H900 using Tapatalk
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08-31-2017, 04:20 PM
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#13
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Name: unfinished business
Title: Too Much Time
Status: Not Here
Join Date: Mar 2008
Member`s Gallery
Posts: 968
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Quote:
Originally Posted by SWALLDOG
Wide open performance would intercool between stages and not after the secondary (high pressure) turbo on the triple set ups they built. I heard it was so they could run a smaller secondary for spool up why still keeping it in its map. Not sure though.
I've thought about changing the piping on my compound set up to intercool between stages to see if it changes my intake temp. But it seems like a lot of work just to see. Lol
Sent from my LG-H900 using Tapatalk
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You are 100 percent correct. You can run a smaller secondary if you intercool between stages.
__________________
2018 Megacab 2500 - DD
1971 Chevelle - LBZ
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