4.34.3 out of 5 stars
12 product ratings

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8 reviews

by

Seat my block leak immediately

I use the BLUE DEVIL according to the instruction on 1967 Mercedes 250SE L6 engine, poured into cold radiator and idled for 45 minutes. I noticed after a few days, the creamy color oil in my rocker cover as well as on my dip stick has all disappeared. And the engine is running a lot better after this process. Incidentally, I also discovered after the pressure in the water was allow to build up, I had to change my radiator cap and my water pump, as water was leaking from these areas due to higher pressure of the water.Read full review

Verified purchase:  Yes • Condition: new • Sold by: BVQooTOcSZq@Del...

by

Very good

Tha Spanish translation of the instructions is incorrect. It does not clearly state that the engine must be idling while the product is being poured.

Verified purchase:  Yes • Condition: new • Sold by: minh168168

by

WOW!!!!

I did not believe that it would work and dumbfounded when it did. This is ONE of the first times I was lost for words. IT WORKS WELL....

Verified purchase:  Yes • Condition: new • Sold by: uag1mx

by

great item

great item

Verified purchase:  Yes • Condition: new • Sold by: coffeecoffee101

by

I hope it holds up

It's working so far

Verified purchase:  Yes • Condition: new • Sold by: rosecity711

by

It works

It works

Verified purchase:  Yes • Condition: new • Sold by: craigsparts1

by

Waste of money

Garbage don't waste
your money

Verified purchase:  Yes • Condition: new • Sold by: shopeddies

by

expensive but it works

it works.

Verified purchase:  Yes • Condition: new • Sold by: shopeddies

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