Originally Posted by MauserBob
Hope you don't mind, but rather than start a new thread I thought I'd jump in on this one with a related question...I've seen many guys mentioning "drilled" T-stat...what does "drilled" refer too? Is this a bypass or pressure relief hole of some type?
Drilling will really only help those who run their cars at the track. The hole is their to soften the initial temps when the t-stat opens.
If you are on the street it will not help you other then making your car run just a tad colder.