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(37,945 posts)

14. Tetraethyl lead.

Sun Mar 22, 2026, 03:32 PM

Sunday

It’s main purpose was to lubricate and coat the valve seats in the older engines.

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Check your vehicle manuals to make sure yours can run E15 (Unleaded 88). [View all] roamer65 Sunday OP

AAA warns E15 gasoline could cause car damage dalton99a Sunday #1

Your link is 14 yr old NickB79 Sunday #7

Big problem for motorcyclists and boaters jmowreader Sunday #2

and will destroy the carbs. The gas today is very corrosive. I Emile Sunday #6

Sounds Made Up To Me ProfessorGAC Sunday #16

Ah, that's what it was! C Moon Sunday #5

Tetraethyl lead. roamer65 Sunday #14

Unless your car is 15+ yr old, you're safe NickB79 Sunday #8

Not all of them after 2001. roamer65 Sunday #13

Your truck is 20 yr old NickB79 Sunday #15

It has iso butanol in it likely instead. Melon Sunday #23

The fuel ethanol industry needs to go away. hunter Sunday #11

That's not true. And it does substitute a percentage Melon Sunday #19

Ethanol is boondoggle scam GreatGazoo Sunday #12

It's an octane booster. Not a scam. Melon Sunday #18

And nobody has a vehicle THAT old. BWdem4life Sunday #21

10% ethanol is still available. Melon Sunday #22

My 2008 Toyota van is doing ok Attilatheblond Sunday #28

E15 85% and I don't think it is for many vehciles WhiteTara Sunday #29