Have you ever used any kind of additives? Has it worked, or is

#1 use is to hide engine problems long enough to unload a car on a sucker

I use fuel additives occasionally. Never going to fuck around with oil additives (because good oil already has them) or seafoam.

>>15676112
Oh yeah, I've used fuel system cleaner to freshen up some laggy injectors I guess.

although I have some marvel oil I sometimes add it to gas never oil

File: 400ml-ametech-restore-oil-engine-restorer-lubricant-22-p.jpg (60KB, 550x550px) Image search: [Google]

60KB, 550x550px

Tried this a month ago. So far so good. I dare say the engine feels more powerful.

i put fuel stabilizer in my bikes every winter

>>15676130
i 2nd this

>>15676130
my first bike was so shitty i used to buy a can of this every couple of weeks

works pretty good if you want to ride something till it dies but if you care about your shit you're better off fixing it right

Duralube Z-MAX good stuff my mom ordered it for me on shopping channel

>>15676130
What car?

>>15676165
XJ with a 4.0