Ice Tank Build

allmotor_2000 · 12-03-2015, 07:59 PM

After tons of logs and measuring timing vs. IAT, it turns out we are very sensitive to IAT's for reliable and repeatable power. So, I have decided to build an ice-tank.

The flow is: HE->Hot side Tank->Cold side Tank -> IC Inlet->IC Outlet->HE

All three HE outlets are combined into the tank, so everything gets cooled.

The tank itself is a 5G with a Rule 3700 pump inside. The two inlets to the IC are de-coupled and routed to the tank (as the hot side). This goes into the tank, gets cooled and then routed back to the IC's (as the cold side).

Using 1 1/8" ID main piping that is then divided into 3/4" ID piping as it gets split to the IC's. Everything is run above the exhaust heat shielding and are hard-lined (silicon hose used only as couplers as this needs to be accessible for servicing). No holes drilled, hard lines have mounting points to the factory locations. There are mounting nuts in the trunk-bed, but these are not holes... rather like a rivet nut that the mounting bolts are
screwed into.

Turns out there are two holes in the trunk so we built bulkheads to mount to these (no drilling of large holes). The piping then mounts to these bulkheads. It is Al hardlines all the way to the transmission mount where they split at a Y and then head to the IC's. These hoses need to run somewhat close to the DP's, so they are heat-shielded appropriately.

There is an issue in this car with the ice-tank being at a lower level than the reservoir, so a custom air-pocket has to be designed-in, so that the ice-tank doesn't continue to gravity-feed and fill itself up when the car (and IC pumps) are off.

Since the car is up on a lift for a while, decided to install some Moroso line-lock solenoids as well. All custom brake hard-lines as well.

Some pictures of the build... will continue to update as it should be done this week.

allmotor_2000 · 12-03-2015, 08:00 PM

Placeholder for more pics

combatbmw · 12-03-2015, 08:50 PM

Now this is Custom to the T.
Good job man.

momos750 · 12-03-2015, 09:02 PM

Nice work!! Looking forward to more info...

lsturbointeg · 12-03-2015, 10:23 PM

AWESOME!

Imran@Evolve · 12-04-2015, 03:30 AM

Great idea! Look forward to seeing the difference this makes.

Lalit@autocouture · 12-04-2015, 12:35 PM

middly !!!!!

dmetuning · 12-04-2015, 12:44 PM

Good job...looks good

Dan@BPC · 12-04-2015, 02:02 PM

Love it!! Nice work!! That is going to make a night and day difference in IAT's.

Tanin · 12-04-2015, 07:13 PM

Looks fantastic !!!

Can't wait to see the car

Used2be · 12-07-2015, 07:11 PM

Quote:

Originally Posted by allmotor_2000

After tons of logs and measuring timing vs. IAT, it turns out we are very sensitive to IAT's for reliable and repeatable power. So, I have decided to build an ice-tank.

I appreciate the thought and effort you put into your ice tank, as well as taking the time to post a well documented pictorial! It is probably more than I will ever do to achieve cooler IATs, but to know it's doable, and how to do it is a great resource. Thanks so much.

combatbmw · 12-07-2015, 08:14 PM

Quote:

Originally Posted by Used2be

I appreciate the thought and effort you put into your ice tank, as well as taking the time to post a well documented pictorial! It is probably more than I will ever do to achieve cooler IATs, but to know it's doable, and how to do it is a great resource. Thanks so much.

He does a great job sharing with the community.
Gotta give him that.
Too much Hush Hush around here, gets annoying.

Ram you are the man.!

allmotor_2000 · 12-07-2015, 08:41 PM

It was the easier option than direct port water injection.... although that is the better option for cooler IAT's

Ice tank is only useful at the track and is actually a PITA to really use properly to be effective.

12-03-2015, 07:59 PM	#1
allmotor_2000 F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph 1087 Rep 1,968 Posts Drives: 2018 RS3, 991 Turbo Join Date: Jul 2014 Location: Westlake Village, CA iTrader: (0)	Ice Tank Build After tons of logs and measuring timing vs. IAT, it turns out we are very sensitive to IAT's for reliable and repeatable power. So, I have decided to build an ice-tank. The flow is: HE->Hot side Tank->Cold side Tank -> IC Inlet->IC Outlet->HE All three HE outlets are combined into the tank, so everything gets cooled. The tank itself is a 5G with a Rule 3700 pump inside. The two inlets to the IC are de-coupled and routed to the tank (as the hot side). This goes into the tank, gets cooled and then routed back to the IC's (as the cold side). Using 1 1/8" ID main piping that is then divided into 3/4" ID piping as it gets split to the IC's. Everything is run above the exhaust heat shielding and are hard-lined (silicon hose used only as couplers as this needs to be accessible for servicing). No holes drilled, hard lines have mounting points to the factory locations. There are mounting nuts in the trunk-bed, but these are not holes... rather like a rivet nut that the mounting bolts are screwed into. Turns out there are two holes in the trunk so we built bulkheads to mount to these (no drilling of large holes). The piping then mounts to these bulkheads. It is Al hardlines all the way to the transmission mount where they split at a Y and then head to the IC's. These hoses need to run somewhat close to the DP's, so they are heat-shielded appropriately. There is an issue in this car with the ice-tank being at a lower level than the reservoir, so a custom air-pocket has to be designed-in, so that the ice-tank doesn't continue to gravity-feed and fill itself up when the car (and IC pumps) are off. Since the car is up on a lift for a while, decided to install some Moroso line-lock solenoids as well. All custom brake hard-lines as well. Some pictures of the build... will continue to update as it should be done this week. Attached Images Last edited by allmotor_2000; 12-04-2015 at 03:40 PM..
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12-03-2015, 08:00 PM	#2
allmotor_2000 F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph 1087 Rep 1,968 Posts Drives: 2018 RS3, 991 Turbo Join Date: Jul 2014 Location: Westlake Village, CA iTrader: (0)	Placeholder for more pics
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12-03-2015, 08:50 PM	#3
combatbmw Major 206 Rep 1,250 Posts Drives: 20' X3M CP Join Date: Oct 2013 Location: SoCal iTrader: (2) Garage List 2017 GMC Sierra All ... [0.00] 2015 BMW M5 [8.75]	Now this is Custom to the T. Good job man. __________________ 2020 X3M CP - IND Reflector set \| Ceramic Tint Retired:2015 M5 CP MSR Intake\|Carbon Fiber Fender Vents\|Meisterschaft GTC catback with LXR mid pipes and ER Catless DPs \| BPMSPORT Stage II Tune \| RKP Rear Diffuser and Challenge Center piece \|RKP Front Lip\| Painted Reflectors \| H&R Springs \| Strasse SM5R Carbon Fiber Wheels \| Nitto R888 \|
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12-03-2015, 09:02 PM	#4
momos750 Captain 143 Rep 715 Posts Drives: 2015 M5, 2011 750Li Join Date: Jul 2015 Location: CA iTrader: (0)	Nice work!! Looking forward to more info... __________________ 2015 M5 - Singapore Grey Metallic - Silverstone Full Merino Interior - Executive Pack - Drivers Assist Pack -Comp Pack -
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12-03-2015, 10:23 PM	#5
lsturbointeg Lieutenant General 9151 Rep 14,522 Posts Drives: 2011 535i Jet Black Join Date: Aug 2014 Location: Asian lost in OH iTrader: (0)	AWESOME! __________________ ~F90Conversion~21"3Piece Forged AvantGardeWheels~KWV1Coilovers~CQUENCE slotted/drilled rotors~GoodridgeStainlesslines~MeisterschaftQuadEx haust~Akrapovic 4"tips~VRSF DP~VRSF CP~TurboSmart BOV~K&N filter~CarbonFiberExteriorComponents~GladenAlphaCo mponents~MatchUp7BMW~Punch P300-12T~ Follow me on Instagram: lsturbointeg
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12-04-2015, 03:30 AM	#6
Imran@Evolve 5364 Rep 3,788 Posts Drives: All of them Join Date: Jun 2008 Location: Bedfordshire UK iTrader: (0)	Great idea! Look forward to seeing the difference this makes.
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12-04-2015, 12:35 PM	#7
Lalit@autocouture 374 Rep 1,374 Posts Drives: Tributo, Superfast, M5cs Join Date: Feb 2010 Location: 201 iTrader: (2)	middly !!!!!
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12-04-2015, 12:44 PM	#8
dmetuning Banned 85 Rep 514 Posts Drives: 2015 Frozen Grey M5 Join Date: Sep 2011 Location: New Jersey iTrader: (1)	Good job...looks good
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12-04-2015, 02:02 PM	#9
Dan@BPC New Member 40 Rep 19 Posts Drives: S62 swapped E30 track car Join Date: Nov 2015 Location: Raleigh NC iTrader: (0)	Love it!! Nice work!! That is going to make a night and day difference in IAT's.
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12-04-2015, 07:13 PM	#10
Tanin Private First Class 34 Rep 175 Posts Drives: BMW Join Date: Apr 2014 Location: SoCal iTrader: (0)	Looks fantastic !!! Can't wait to see the car __________________ 2015 M5 6MT Silverstone / Sakhir Orange CP,MPE(Ti Tips),GA1R 20x9.5/10.5(Brushed),KW v3, Dinan Sways, AMS DP's(Catted), Bel StiR+, ALP Quad
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12-07-2015, 08:41 PM	#13
allmotor_2000 F10 1/4 WR: 9.9s / 142.5mph 1/2 WR: 175.5mph 1087 Rep 1,968 Posts Drives: 2018 RS3, 991 Turbo Join Date: Jul 2014 Location: Westlake Village, CA iTrader: (0)	It was the easier option than direct port water injection.... although that is the better option for cooler IAT's Ice tank is only useful at the track and is actually a PITA to really use properly to be effective.
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