Killer B Motorsport Upper Turbo Coolant Reservoir - Subaru WRX 2002-2007 / STI 2004-2014
Manufacturer Part # UTCR
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Killer B reservoir
Miles 6 months ago
I want to preface this by saying I love Killer B products. I have their oil pan kit and their headers. But I’m not so sure they hit the mark on the reservoir. With other products, you can be sure that the fit and finish is 100% no additional modification. In the reservoirs case it doesn’t exactly go together. I am speaking of the barbed NPT fitting. The product says it should only be used with an OEM cap, which I have. But when you tighten the barbed fitting into the reservoir, the threads go so deep that you can’t insert the cap. I was taken back by this because I never had a problem with Killer B so I had to make sure I had the OEM cap, thinking that I was the wrong one here. Sadly, no. The barbed fitting when tightened all the way won’t let the cap inside the reservoir. So I thought, no big deal I’ll trim the fitting. Trimmed it so the cap can insert, which it does but when you seat the fitting against the boss, the cap isn’t able to turn because the hex portion of the fitting is now in the way of the caps flanges. I began to wonder if I had something wrong again and realized that if the fitting was 1/4” unscrewed the cap would clear entirely. But alas, even with ARP thread paste, the fitting would leak. So after some more modifying of the fitting I got it to seat, leak free and the cap to install. Also I should mention that the reservoir makes the cap twist on in a counter clockwise direction, different than OEM. Otherwise the product looks great and fits well everywhere else. I’m not sure why they did not weld on a barbed fitting like the rest of the fittings on the piece? My only guess is to accommodate different setups and if this is the case they really only need to extend the neck an inch to be able to make it all clear so it really is a “bolt on” affair. Performance :5 ; Ease of install:2 ; Value:4 ; Quality:3
josh54266 11 months ago
A well made piece that makes rotated layout cleaner and easier. Like others have mentioned, the only annoying thing is the tight clearance / potential interference between the brass nipple and cap. Everything else about it (except possibly the price) is perfection.
Liquidblue 3 years ago
I bought this because I needed a lower profile tank due to the rotated setup and intercooler piping. All in all it is a good product... Gave me plenty of room for what I have. As a few others stated... The screw in nipple is a little higher than it should be but the reasoning is... that is the thickest part of the body and will be able to give enough support for the threads. Aside from that I am very pleased and thrilled someone came up with that exact design! Did I hate spending that much on something that small... Sure but you get what you pay for 99.9% of the time. I say if you are looking for a replacement or have plans for upgrades this is well worth it...
Small and a bit frustrating (updated)
AJSTi 4 years ago
PAY ATTENTION WHEN INSTALLING THE TOP BRASS NIPPLE! If you do not have the cap in place or take note of how far you are threading the nipple in you will not be able to put your stock cap on or you can over-tighten it and make the function of the cap obsolete. Currently I am experiencing loss of coolant and/or lack of antifreeze in my reservoir. This may be due to this unit but I will post an update as soon as I know. After further review I noticed that I had pinched the lower discharge hose. Please note when installing that you may need to trim the lower discharge hose up to an inch to allow proper fitment. After making this adjustment the unit is working. Temperatures obtained from my AccessPort V3 show normal operating temperatures at highway speeds around 190 degrees. I hope this helps!
Great coolant reservoir
matthew.norcutt76746 4 years ago
This coolant reservoir works on STi's with stock location turbos and Is made completely out of aluminum and comes with very tight threat copper or brass screw in nipple and you should not have nipples break off like they do on the oem part. PROBLEM 1 screw in nipple gets in the way of the cap and you have to put cap on then screw in the nipple after and be carefull not to screw the nipple so far in the the caps seal that you let pressure out or maybe even do damage to the cap. PROBLEM 2 is the price it just seem a bit to expensive for what what it is and the size but maybe I don't now what I'm talkin about lol.
QUESTIONS & ANSWERS
Q: 2011 sti Manuel2011STI 3 years agoAnswer
since im running a rotated turbo set up that the turbo is only oil cooled, how can i go by removing the oem one and how do i reconnect the lines?? or will this one work as a replacement of the oem one even though the line will run straight to the return
A: With a non-liquid cooled turbo the coolant lines can be plugged, or the reservoir can be used without the turbo in the loop.
[email protected] 3 years ago
Q: 2008 WRX with an N/A intake manifold and Dom 2.5xtr Stephenbeaumier06379 4 years agoAnswer
^^^ So this cannot be used as an OEM replacement? I need to relocate when I swap out to an N/A manifold and Dom 2.5xtr. I am looking for a SMALL low profile upper coolant res and thought this might work.
A: This will work just fine for your application.
guest56ad69792a8d256e198b66b5 4 years ago
Q: placement for oem replacement gsmith304 4 years agoAnswer
would this go in the same spot as the oem one (non rotated setup) so i could add this for some underhood flair as well as cooling purposes?
Q: 2006 WRX Slap Dash 4 years agoAnswer
My Current OEM Turbo Coolant reservoir broke at one of the nipples. I plan on upgrading my Turbo in the future.. Would this work fine for direct replacement of said reservoir? Thanks,
A: This will be a great OEM replacement! With a rotated turbo set up, this coolant tank will need to be relocated or removed. Thank you.
Sterling W. 4 years ago