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Rusty coolant (78 GMC k15 350ci)
So, I got this truck 6 months ago and it was running tap water for coolant. I swapped this out for a basic ‘b’ type coolant (this might be an Australia/NZ definition, basically means it contains only inhibitors for rust, corrosion & cavitation. No Anti-Freeze/Anti-Boil emulsions). It’s always...- 235SB
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- Replies: 3
- Forum: Engine & Performance
