I've read where some guys have drilled a couple of 1/8" holes in their t-stats to prevent air pockets, especially when refilling the radiator. Any problems with this?
Yeah, as far as the drilling, I have 2 holes in my T-stat I have had absolutely no problems with it what so ever, I think it even helps with cooling a bit
As far as flush I never have used the flush kit stuff
I've toyed with that. I eliminated the temperature high spike I used to get as the t-stat was opening. I now run a 180 t-stat with one 1/8 hole.
I tried a 195 with several different hole sizes and number of holes to see if I could get the running temp to about 185-190. It didn't work, maybe because I gave up too soon.
I'm putting in a DeWitt aluminum radiator with Spal fans and a new Edelborck Alu waterpump. I'm sure I'll be toying with the t-stat again.
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