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allmotor_2000 allmotor_2000 is offline
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Default Ice Tank Build - 12-04-2015, 09:44 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... initial logs without ICE indicate 10-15 drop in IAT with just the larger water volume. Also seeing 1-2 degrees more timing. Will test with ICE and see what we get!
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Last edited by allmotor_2000; 12-04-2015 at 10:00 PM..
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sA x sKy sA x sKy is offline
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Default 12-04-2015, 10:04 PM

Sweet! I was actually about to install one myself. The same one Adam got from Powerhaus Performance with the 10.4@135 E92 M3.

Definitely going to have to get one on before Spring. Can't wait for the ice results and also thank you for writing this out Ram.


AWE Non-Res Exhaust | AWE CF Intake | AWE ColdFront | ER DP | ER Chargepipes | JB4 Stage 3 | Custom SS Methanol | Swift Springs | TPG/DSS 1200hp Axles | Dodson Superstock DCT Clutch | PURE Stage 2 Hi-Flo
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allmotor_2000 allmotor_2000 is offline
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Default 12-04-2015, 10:10 PM

Tank is the easiest part - running the lines, making it robust and ensuring it doesn't screw something up is the hard part.

AC Fabrication did great work! Tank itself was from Chiseled Performance
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Newguy123 Newguy123 is offline
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Default 12-04-2015, 10:17 PM

Badass! Can't wait to see this beast at the next nfz.


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#PURETURBOS
#FUELIT
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335iMspizzle 335iMspizzle is offline
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Default 12-04-2015, 11:49 PM

Holly ISH WT****


2014 - M6 f06, FabWorx Ctlss DP's, JB4, FSB meth, Turner Exhaust.
2012 - 650i M sport JB stage 1 (Gone)
2009 - 335i N54 JB4, DINAN CAI, MACHT SHNELL DP'S, HPF FMIC, ER CP, SYNAPSE BOV, EISENMANN RACE EXHAUST, BT OIL CC, COOLINGMIST/SNOW PERFORMANCE METH INJECTION - 427 WHP DYNOJET (Gone)
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allmotor_2000 allmotor_2000 is offline
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Default 12-05-2015, 09:19 AM

Did some initial testing today with ice. It's cold out but easily 30 degree drop with ice.
IAT's stay 52-65 degrees through an entire pull and gives 3-4 degrees more timing when
really cold. Temp drops will be much more in hotter weather. If I do two consecutive 1/4 mile passes, 2 bags
of ice will easily last. It took about 5-6 pulls in 3rd/4th gear to completely melt.

Will dyno next week and see if it translates to gains on the dyno. Definitely it is quicker on the road!
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335iMspizzle 335iMspizzle is offline
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Default 12-05-2015, 05:58 PM

How much did all this cost you ?


2014 - M6 f06, FabWorx Ctlss DP's, JB4, FSB meth, Turner Exhaust.
2012 - 650i M sport JB stage 1 (Gone)
2009 - 335i N54 JB4, DINAN CAI, MACHT SHNELL DP'S, HPF FMIC, ER CP, SYNAPSE BOV, EISENMANN RACE EXHAUST, BT OIL CC, COOLINGMIST/SNOW PERFORMANCE METH INJECTION - 427 WHP DYNOJET (Gone)
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allmotor_2000 allmotor_2000 is offline
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Default 12-05-2015, 06:02 PM

Quote:
Originally Posted by 335iMspizzle
How much did all this cost you ?
About half the typical price of an air intake system for this car...
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Terry @ BMS Terry @ BMS is offline
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Default 12-05-2015, 06:33 PM

Interesting setup! Get it on the dyno!


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allmotor_2000 allmotor_2000 is offline
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Default 12-06-2015, 07:43 AM

6.02s 60-130.... that's a good dyno :-)
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Irishace Irishace is offline
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Default 12-07-2015, 09:47 AM

This is incredible.


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m5james m5james is offline
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Default 04-20-2016, 08:01 PM

Ever heard of Killer Chiller? It splices into the AC lines and keeps the intercoolers cold without the need to run a tank...reportedly the gains outweigh the need to keep the AC on during use.
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allmotor_2000 allmotor_2000 is offline
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Default 04-20-2016, 09:35 PM

Yeah I actually drew out the plan, contacted the owner etc. But it doesn't work. Someone actually tried it on their M6 GC and didn't work.
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m5james m5james is offline
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Default 04-21-2016, 12:34 AM

Fair enough...any Any chance you'll be duplicating your setup for sale?
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allmotor_2000 allmotor_2000 is offline
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Default 04-21-2016, 06:07 AM

I can sell mine at some point I suppose - it's one off.
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