[DownInABunker]

I have seen a full range of remarks about various chemicals that claim to clean your vehicle's internals, from them being very useful to being very harmful. So I am wondering if anyone here can recommend a product that actually works. Thanks in advance for any input!

 

[FredLee]

I like SeaFoam products. I've also used Marvel Oil in engines,diesels.Even used Liquid Wrench in engines before.It cuts gummy stuff.

 

[91g-dub]

I like SeaFoam products. I've also used Marvel Oil in engines,diesels.Even used Liquid Wrench in engines before.It cuts gummy stuff.

I've used SeaFoam with very good results too.

 

[kingjames]

I second the marvels I use in all my cars!!!