400 BB build issues

txstang84 said

I know I always had to drill a 1/8" hole in the t-stat on my Mustang (for burping)--is that any kind of concern on a Mopar? Just remembered that...

Click to expand...

That is a little trick taught to me many many years ago. It is a good thing to do on any engine. This little trick can prevent air pockets and makes your life much easier.