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Split Cooling Mistake?

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Old 09-23-2013, 04:45 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Split Cooling Mistake?

I installed a handful of modifications today and I just wanted to confirm I did the split cooling right before I filled up the system.


Sorry for my really crappy diagram


From underneath the car I saw both Ts everything talks about. From my understanding the top one, further away etc needs to be capped off.

The the bottom on needs a line put on that leads to the bmw Res.

Is that really all there is to it? I feel like it was too simple and only took me 45 minutes to do and I'm not a pro mechanic by any means? Seems like the average here is two hours so im assuming I screwed something up.

Thank you!



Old 09-23-2013, 04:53 PM
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Yes

the reservoir is just a fill point.
Old 09-23-2013, 04:54 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
I'm not 100% sure how im going to bleed the s/c system either? I'm guessing im suppose to jump a wire from the h/e pump to the battery to activate it?
Old 09-23-2013, 04:56 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Originally Posted by shardul
Yes

the reservoir is just a fill point.

So just to confirm and being extra paranoid... The top T gets capped and the bottom T gets the line to the res.


I know how to bleed the radiator, but how do i bleed the h/e?
Old 09-23-2013, 04:58 PM
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yes

remove bleed nipple > clamp the hose after bleed nipple > run tube from the reservoir to the bleed nipple > and then run the pump
Old 09-23-2013, 05:01 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Originally Posted by shardul
yes

remove bleed nipple > clamp the hose after bleed nipple > run tube from the reservoir to the bleed nipple > and then run the pump
Is there another way to activate the pump other than hacking into the harness?
Old 09-23-2013, 05:14 PM
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Search and you will find. Drive car for a minute and floor throttle a few times, pump should engage. pull over and keep engine running, then uncap reservoir.
Old 09-23-2013, 05:19 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Originally Posted by JoeNobody
Search and you will find. Drive car for a minute and floor throttle a few times, pump should engage. pull over and keep engine running, then uncap reservoir.

I searched like a ****... Thats more of a final step, I barely have a gallon in the system when the new heat exchanger takes 2/3 of a gallon on its own. I figure my whole system should take 2 to 2.5 gallons and I'm no where near that.
Old 09-23-2013, 06:36 PM
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TAKE PLENTY OF PICTURES!!!!! I want to try to install this!
Old 09-23-2013, 08:05 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Sorry man, I didn't really take to many, but if you want to let me know when you plan on doing it ahead of time; i'll make myself available to answer any questions.

The hardest part of the install was taking off the bumper. I skipped on pulling off the wheels and fender liners. I just loosened it up to get my hand in there. Had i done that i would have learned how to get the sides off. After you pull the screw out of the rear of the bumper put your hand inside and youll feel a long metal bracket that holds the whole thing together nice and flush. You want to grab it from the back and push that towards the back of the motor in a diagonal direction. After it swings out push that forward and itll come off then the bumper will literally drop. Take off the sides first then the center. The two bolts behind the lower grill can be removed without pulling off the grill with a long extension.

Don't bother cutting the clamps off. Theres plenty of hose down there to slice with a razor directly next to the clamp and use the t still.

The plm heat exchanger came a little banged up, but was easy to fix the few fins. For 350 shipped I didn't go wrong. It bolted up perfect and had the bracket for the oil cooler below. Very happy with this and its coupled to a new Bosch 010 pump.

Total install for everything was about 4 hours.

30 minutes jacked up the car,removed front under shield, loosened front section of fenders.
45 minutes split cooling
45 minutes heat exchanger
5 minutes for the pump
1 hours bumper uninstall and reinstall
1 hour double checking my work and bleeding system
Old 09-23-2013, 08:59 PM
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Originally Posted by S2K750
Sorry man, I didn't really take to many, but if you want to let me know when you plan on doing it ahead of time; i'll make myself available to answer any questions.

The hardest part of the install was taking off the bumper. I skipped on pulling off the wheels and fender liners. I just loosened it up to get my hand in there. Had i done that i would have learned how to get the sides off. After you pull the screw out of the rear of the bumper put your hand inside and youll feel a long metal bracket that holds the whole thing together nice and flush. You want to grab it from the back and push that towards the back of the motor in a diagonal direction. After it swings out push that forward and itll come off then the bumper will literally drop. Take off the sides first then the center. The two bolts behind the lower grill can be removed without pulling off the grill with a long extension.

Don't bother cutting the clamps off. Theres plenty of hose down there to slice with a razor directly next to the clamp and use the t still.

The plm heat exchanger came a little banged up, but was easy to fix the few fins. For 350 shipped I didn't go wrong. It bolted up perfect and had the bracket for the oil cooler below. Very happy with this and its coupled to a new Bosch 010 pump.

Total install for everything was about 4 hours.

30 minutes jacked up the car,removed front under shield, loosened front section of fenders.
45 minutes split cooling
45 minutes heat exchanger
5 minutes for the pump
1 hours bumper uninstall and reinstall
1 hour double checking my work and bleeding system
Just curious......I searched a little bit but couldn't find anything....

What exactly does this split cooler mod do.......?

.
Old 09-23-2013, 09:06 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Originally Posted by E55E63
Just curious......I searched a little bit but couldn't find anything....

What exactly does this split cooler mod do.......?

.

It splits your coolant system into two sections. Your motor cooling and your supercharger cooling.

There aren't peak horsepower gains; but it helps keep your horsepower after repeated runs.
Old 09-23-2013, 09:12 PM
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2011 Grnd Sport Vette, 1998 WS6 T/A, Soon E55
Originally Posted by S2K750
It splits your coolant system into two sections. Your motor cooling and your supercharger cooling.

There aren't peak horsepower gains; but it helps keep your horsepower after repeated runs.
Ok, cool, thanks.

.
Old 09-23-2013, 09:20 PM
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Could you get more coolant into the system? Try starting car and then stabbing at throttle, and could do it while car is still parked and worked on. Pump should be fine since it'll pull the coolant in the new reservoir.

I'm thinking of doing the same mod except using the Cobra GT500 reservoir, which requires two lines since it hooks inline to the system.
Old 09-23-2013, 09:31 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
I checked the lower radiator plug and realized I only drained half of it which explains why I was almost a gallon off. After I accounted that it was right and I took the car for a drive to get it warm. I added about 1/4 gallon more during the drive. I was worried about driving the car with the system half full.

If you're just driving spiritedly I think anything separate is plenty. There's only so much you can do on the streets. For the cost and simplicity the BMW setup is great.
Old 09-23-2013, 09:45 PM
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Glad you got it taken care of Tamer. Its a great mod for the cost.
Old 09-24-2013, 10:36 AM
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I ordered the BIP Split Cooling kit as well.

Waiting for it to arrive soon.


Hopefully, this will improve temps a bit more. I am planning to hardwire the IC pump to run constantly while doing the split cooling.

Consistency is key with these motors!
Old 09-24-2013, 10:56 AM
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You'll be very happy with it, install went smooth.
Old 09-24-2013, 11:14 AM
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Originally Posted by S2K750
You'll be very happy with it, install went smooth.

Old 09-24-2013, 12:14 PM
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Originally Posted by BI-Performance
Glad you got it taken care of Tamer. Its a great mod for the cost.
Thanks again Craig!
Old 09-24-2013, 03:48 PM
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FWIW, if you look at the original AMG setup, there is really no way hot engine coolant can enter into or circulate through the HE/IC/pump cooling circuit through the single "T" once the circuit has been purged of air.

Accordingly, there will be no improvement in cooling. That said, if you are installing an additional coolant chilling system IE Killer-Chiller or aux trunk tank, then of course the system needs to be split and you will have an improvement by increasing the TD between the IC and charge air.

In a split system, do not run chilled coolant through the HE first as you will only add heat to the coolant. The HE should act as a pre-cooler for the coolant returning from the IC to the tank/reservoir.

For myself, I'm satisfied with a larger capacity HE.
Attached Files
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EPC HE Cooling Lines.pdf (94.4 KB, 527 views)
Old 09-24-2013, 04:01 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Originally Posted by AgSilver
FWIW, if you look at the original AMG setup, there is really no way hot engine coolant can enter into or circulate through the HE/IC/pump cooling circuit through the single "T" once the circuit has been purged of air.

Accordingly, there will be no improvement in cooling. That said, if you are installing an additional coolant chilling system IE Killer-Chiller or aux trunk tank, then of course the system needs to be split and you will have an improvement by increasing the TD between the IC and charge air.

In a split system, do not run chilled coolant through the HE first as you will only add heat to the coolant. The HE should act as a pre-cooler for the coolant returning from the IC to the tank/reservoir.

For myself, I'm satisfied with a larger capacity HE.
There isn't a night and day improvement, you're correct on that note. To say there is no improvement in cooling is incorrect. I feel a difference after just beating the crap out of my car on the 10 miles driving home today. Something Else I noticed and probably not very smart is the temperature of the coolant. After getting home I opened the reservoir to check the level and stuck my finger inside to feel the temperature. It was warm, not steaming not like the coolant tank for the motor. That tank I didnt dare touch.

Bigger is better, 100% correct, but 99% of us aren't tracking the car. For a $25 tank, and $10 worth of fittings and clamps you really can't go wrong.
Old 09-24-2013, 04:12 PM
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Wiring the pump to be on with the key is really nice. It makes bleeding the system super easy... and you can have the pump run for a few minutes with the engine off to circulate the fluid between runs at the strip, if you want.
Old 09-24-2013, 04:19 PM
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Daily 06 E55, Fun 12 GSXR750, Racing John Deere D110
Originally Posted by Denroll
Wiring the pump to be on with the key is really nice. It makes bleeding the system super easy... and you can have the pump run for a few minutes with the engine off to circulate the fluid between runs at the strip, if you want.

I ordered a SDS system from Shardul last week. From my understanding I can activate the pump with that system if I decide to take it to the track.

I don't want to run it 24/7 so it doesn't burn out sooner. I don't really rape my car 24/7, only on really good days, really bad days and typical days
Old 09-24-2013, 08:34 PM
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2006 cls 55 amg
is there a way to trigger the pump for cool down


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