Quote:
Originally Posted by drolston
Not unusual for a few head bolts to leak for a while after rebuild. Most of the time the leaks will stop themselves, without having to pull the heads. A bottle of Bars Leaks might be worth a try. I just fixed the thermostat housing leak in my wife's 2008 Mustang, for which the dealer wanted $850 to replace a $30 part. Okay, it is a b**ch to get to.
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DO NOT USE BARS LEAKS. I had used it for many years in every engine I had built. We used it on our race engines. About 6-8 years ago we seen our temps were higher for no reason with typical grille opening. Upon research we found our radiators were somewhat blocked with all these minuscule hair looking fibers. We stopped using bars leaks & fibers were gone & temps were good. Our engineers called Bars Leaks engineers & yes they changed formula. Said to use the tablets for same as old formula.