cobra intercooler pump failed

[silver]

I after months of waiting for my dash and intercooler reservoir to be built, I finally got it all together and took it for a drive Saturday for cars and coffee.

sure enough my IAT2's skyrocketed to 160 without doing any hard driving.

after messing around with the system I tested the pump by hooking it up to 12 volts with the motor off and it sounded terrible.

I removed the pump and tested it in water against the original pump. It flows water about 1 inch vertically the original pump flows 2-3 feet vertically.

I have ordered a new pump but damn the luck I guess. Any ideas if this has been a common occurrence? If I didn't have the temp gauge it would have been hard to tell there was a problem, but, I'm glad I found it before causing damage.

Also seems odd that it would just "sort of work" instead of fully fail.

[DarthChicken]

It is what it is man. Might have overheated it at one point when it wasn't primed properly, or maybe the heat you texans live in killed it.

[silver]

actually I'm glad it's something that's an obvious failure........I was wondering if perhaps my 4 gallon tank was preventing the ability of the system to flow.

new one will be here soon, slap it in and fill it with water and retest, if it runs good, then I'll replace it with the coolant and be on my way

[silver]

so I got the replacement pump in, I hooked it up in a tub the same way the other one was hooked up.....blew water 2 inches....reversed polarity blew water 3 or 4 feet.....hmm. Grabbed the "failed" pump...yup it works.

I checked how the installer wired that pump, yep he wired it backwards....shit, now I have 3 working pumps.

Ok, so the reason I suspected a pump failure before was because the 4 gallon tank won't bleed. It acts as if there's not enough flow there to push water out the tank, whereas at the front intercooler it flows WAY too much even though I have 2 reducers inside the 1/4" line it still flows like a son of a bitch.

Results I got from my quick test, is the liquid does get hot, so it is flowing through the laminova tubes. The temps do go back down while driving, whereas they did not do this upon my drive last saturday which was my maiden voyage after installing the tank.

My sad thought is.....how good could my temps have been if I had known to switch the wiring on the pump, whilst I had both intercoolers installed.......too little too late as that has been scrapped and the new 4 gallon tank is installed.

QUESTION: I have ample room to install a 2nd brand new pump up front to suck coolant out of the radiator and push it towards the back of the car and up to the laminova tubes.......good idea? I'm hoping this will ensure quick delivery for the cooled liquid to the laminova tubes and by having 2 pumps my system will have much less probability of cavitation

My current flow chart is below

laminova tubes - T connection where the bleed tank gravity feeds into - 4 gallon reservoir - pump - intercooler - laminova tubes

seems like a no brainer and won't take too long to fab up a way to mount it and wire it in.

[Terry Kennedy]

QUESTION: I have ample room to install a 2nd brand new pump up front to suck coolant out of the radiator and push it towards the back of the car and up to the laminova tubes.......good idea? I'm hoping this will ensure quick delivery for the cooled liquid to the laminova tubes and by having 2 pumps my system will have much less probability of cavitation

Unless they have the exact same flow rate, the one with the higher flow rate is simply going to see the one with a slower flow rate as an obstruction.

[silver]

Unless they have the exact same flow rate, the one with the higher flow rate is simply going to see the one with a slower flow rate as an obstruction.

Ok cool I have two identical bosch pumps so that should work