I've used it and it does help. It works by breaking the surface tension of the coolant allowing more contact with metal therefore transferring...
I believe it's 0 deg with a Prestolite distributor, and 5 deg with a Delco. Don't know why it would be different?
Patted it on the radiator cap before I left for work.....:(
I bought from them and it fit like a glove!
My Cj5 (built 10/66 with V6) came with a fuel supply line (bottom) and a return (top). After a restore when I hooked the supply line to the...
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