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**SparkyRnD** · 09-22-2014, 08:52 AM

While you can run those additives, it isn't necessary in most cases. Just a good antifreeze mixed with distilled water is what we recommend.

09-22-2014, 08:52 AM	#71
SparkyRnD Senior Member Join Date: Dec 2011 Location: acworth georgia Posts: 885	Re: RnD Fabrication 1967-1972 Chevrolet & GMC early C10 / C20 / Blazer Radiators! While you can run those additives, it isn't necessary in most cases. Just a good antifreeze mixed with distilled water is what we recommend. __________________ www.RnDFabrication.com Custom Radiators, Valve Covers and Overflow Tanks