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[SOLVED] 3M fuel system tune up kit versus seafoam

5K views 3 replies 2 participants last post by  wolfen1086 
#1 ·
hi everyone, my 99 S10 pickup 4.3 v6 with 108K on it is ready for a total head to toe fluid change and i was wanting to clean the fuel system as well.i wanted to buy a canister type fuel system cleaner but the cheapest i could find was about $300.00 for an OTC brand with the adopters. i saw the 3M 3 step kit in autozone for $ 40.00 and the seafoam for $10.00 for 16oz can. i read alot of reviews about the 3M kit and the seafoam, and they both have pretty good reviews. i respect all of your opinions so i thought i would check with you guys first befor i make a decision on what to use. Thanks Tom
 
#2 ·
Re: 3M fuel system tune up kit versus seafoam

My vote is for either Seafoam or marvel Mystery oil. Don't bother with STP, Gumout was good back 30 or so years ago when I was a kid, but I haven't used it since then so I can't say anything about it.
 
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