Thermostat Brands

MackMoor · Post by **MackMoor** » 23 Dec 2010, 22:37

I know WAHLER is the OEM thermostat. But are there other brands that are equal or better?
How about Stant? They have 5 different ones listed for the 1998 V70XC.
Anywhere from 9.99 to 25.00
I'm going to change out mine next week, and am looking for the best one out there.
Thanks for all the advice.

And once again. Thanks for the tutorial on changing out the Heater Core!! Brilliant!!

Richard

Post by **cn90** » 23 Dec 2010, 23:28

WAHLER is the king.
I have used Wahler in my Porsche, BMW, Volvo for 25 years, zero issues.
Don't mess with success, use Wahler, it is $13.

http://www.eeuroparts.com/Main/PartDeta ... ?id=271664

reds70turbo · Post by **reds70turbo** » 23 Dec 2010, 23:44

Agreed with the above.

I've used Vernat and Wahler and they are both very secure choices.

Post by **jreed** » 24 Dec 2010, 06:18

I tried Stant once many years ago (1993) in a Saab and the thermostat failed closed on a very cold night (-10F) and almost overheated the engine.

Post by **Ozark Lee** » 24 Dec 2010, 08:51

I have used the Vernats on all of mine but one of them recently failed in the Platinum after just 2 years (Stuck open fortunately).

The Vernat stats don't have the jiggle valve so I drilled a 1/16" hole in the diaphragm before I installed it to serve the same function.

I think this time I will go either OEM or the Wahler.

...Lee

db130 · Post by **db130** » 24 Dec 2010, 08:54

i'd avoid regular stant but they do have a premium brand called the superstat that i use on my XC with excellent results. they have a 180 degree version which is roughly 82 degs celsius.

MackMoor · Post by **MackMoor** » 25 Dec 2010, 13:29

I saw the SuperStat.
No problems so far?
Thanks for all the advice.
BTW. is 87 or 90 degs the correct thermo?

Post by **precopster** » 13 Feb 2011, 05:00

Had a near new 92 degree Calorstat (made in France) give me lots of grief after a engine replacement.

I swapped it over from the replacement engine and it caused mild overheating, not boiling, so it must have been out of calibration or poorly made.