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I wouldn't count out your oil cooler just yet. Mine was having almost 20* deltas with my water temp at 180*, but I replaced the t-stat with the 200* mishimoto and I have 5* or less now.
Great to hear! Thanks for picking up our thermostat.
Originally Posted by jlatr
I want to go with the Mishimoto but i have read that they don't always seat right (depends on the housing you have) and they don't come with a new o ring.
Originally Posted by KDAVID1
A: they come with a new oring
B: use housing rt1169 if you don't feel lucky
2006 F350 4X4
Originally Posted by texastech_diesel
C: throw it into the coffee pot in the morning, it'll seal up
I don't recall anyone having it not work correctly in the right housing after being boiled if it needs to seat better.
Thanks guys! As noted, our thermostat does indeed include a new o-ring. We recommend boiling the thermostat/housing assembly in order to properly seat the components. As long as the two units seat correctly you should not have any issues once installed.
If the two will still not seal after boiling, we recommend a new housing for installation which has been confirmed to function with our product (Housing P/N: RT1169).
Let me know if I can answer any additional questions regarding our thermostat!
