I have never used it...
I have always put high quality gasoline in mine...Sunoco, Marathon or shell...Its highway driven 5 out of 7 days a week..By the Mrs going to work daily...So she pretty much kicks any carbon out of her enetering the Highway twice daily....

The last time I changed the plugs...They didnt need it!..But I replaced them anyway...LOL...

Maybe if it starts acting up:
I'll throw some in for chits and giggles and see if theres any improvement...

 

You might be surprised to know that Sunoco is no longer high-tier gasoline.

Click Here: Top Tier Gasoline

 

WOW!

I had no idea mike!...all but 2 stations mentioned are not here in Michigan!

Thanks for the Info mike!

Because Sunoco is pretty much what I have used in it since it was new.

 

sea foamed throught the brake booster vaccum hose and it made a huge difference stalled it out once too soon but continued afraid to put in in the oil because of my leaks but will put in gas next fill up and will try it to clean out the crummy running 2005 uplander.

 

Any body have any idea if this will clear Up I put a can in my Gastank I noticed a difference right away but saw people posting about running it threw the Brake Booster Vacuum line Now I did this but now my car is bucking like crazy and the rpm's and going crazy A few times the car almost stalled and I had it out on the highway for 15 minutes for a good run, Anyone else have this and will it go away, im really concerned about it.