Veeky Forums

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Whats your opinions of engine snake oils?
Do any of them work or are you just throwing your money away?

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that lucas shit worked and helped me pass a smog test
>go to smog test
>fail with flying colors
>throw in the lucas stuff and fill up my tank, drive around for 30min
>pass smog

Things like SeaFoam get a bad name because redneck retards treat it like a fix-all when all it really does is clean fuel injectors.

I add STP zddp to pushrod engines and moly to my KA24DE.

This works for me

Anything good for a recently bought used car.
Something to clean out the internals

as a former autozone employee we would get fired if we didnt sell at least 6 of these stupid things

fuck that place

fuck fuel additives

fuck all that shit its just rubbing alcohol dont fool yourself if your car isnt running the way you want get a better fucking car or shut the fuck up

>Do any of them work
Depends entirely on the application.

Injector cleaner will clean your injectors (strange, i know), while octane booster in the right quantities will up octane which is especially useful if your shit is tuned for 98RON/93AKI and you're in the middle of nowhere.

Seafoam and/or Subaru upper engine cleaner will blow the carbon shit out of the intake tract and the cylinders.

Engine/radiator stop leaks and such barely work at the best of times and shouldn't be used at all, you're better off spending your money on duct tape and extra water/oil to get home and fixing the problem properly.

LSD diff additive, at least from Nulon, works extremely well for some reason.

Are you saying that rubbing alcohol would be a good fuel additive?

It's not fuckin rubbing alcohol