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BonzoHansen · 07-26-2007, 03:25 PM

I don’t know LS1 idiosyncrasies, so I can only speak in general term what I have read & done. I would stay with green stuff, a 50/50 mix (maybe a little light on the coolant), diluted it with distilled water. Risoldi’s sells it for like $1 a gallon or something. That is what I always do, and just did in my 77. I don’t have a mixture gauge to measure the coolant effectiveness. 50/50 is probably over kill, but better safe then sorry.

I wouldn’t bother with additives unless you have cooling issues that water wetter might help. I dilute it myself because I don’t trust what water they use. Plus I think it is cheaper. Continuing with paranoia, I only use name brands. I bought a case of Zerex or Peak at Sam’s for like $30 or so.

My $.02

07-26-2007, 03:25 PM	#4
BonzoHansen Admin. Join Date: Aug 2005 Location: Hamilton, NJ Posts: 20,165 iTrader: (27)	I don’t know LS1 idiosyncrasies, so I can only speak in general term what I have read & done. I would stay with green stuff, a 50/50 mix (maybe a little light on the coolant), diluted it with distilled water. Risoldi’s sells it for like $1 a gallon or something. That is what I always do, and just did in my 77. I don’t have a mixture gauge to measure the coolant effectiveness. 50/50 is probably over kill, but better safe then sorry. I wouldn’t bother with additives unless you have cooling issues that water wetter might help. I dilute it myself because I don’t trust what water they use. Plus I think it is cheaper. Continuing with paranoia, I only use name brands. I bought a case of Zerex or Peak at Sam’s for like $30 or so. My $.02 __________________ Vent Windows Forever! The looser the waistband, the deeper the quicksand. Or so I have read. Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors. Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop