First Generation Firebird-L Mailing List ......................................................................... Ditto. I've driven 1st generation Firebirds 30+ years and the only overheating came from a radiator problem. I replaced the radiator and the problem was gone. Currently running a 0.030" over 455, balanced and decked, 99cc heads, 068 cam, with long branch manifolds. 195 degree t'stat I think. It's mild, but has sufficient power and runs fine on 87 octane with no overheating issues.
I think keeping the water pump divider plates and internal seals maintained probably helps as much as anything, along with fresh 50/50 coolant. Also my engine blocks and heads have been chemically cleaned extensively, so there's minimal crud in the water passages. I've run a 350, 400, and two different 455s - same experience without cooling issues. Maybe it's just blind luck, but it's been consistent for a long time and four different Pontiac V-8s... ________________________________ From: Jimc2002 <[email protected]> I have always been perplexed by that because... I don't and never have in 40 years of driving mine. ------------------------------------------------------------------------ Submissions to Firebird-L: <[email protected]> Unsubscribe from Firebird-L: <[email protected]> Help: <http://FirstGenFirebird.org/firebird/Firebird-L.html> Classifieds: <http://FirstGenFirebird.org/ubb/> Owner Pictures: <http://FirstGenFirebird.org/show/>
