Additive · GearOpen

# Additive

D Cars

Don't Buy An A/C Recharge Kit Before You Check The Label For This Additive

We may receive a commission on purchases made from links. As the summer continues along, it has proven quite a scorcher for many.

W Cars

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SlashGear ·last yr.

What Is Sea Foam Spray And Are There Any Disadvantages Of Using It In Your Vehicle?

We may receive a commission on purchases made from links. The Sea Foam lineup of fuel additives and engine cleaners was born out of a love for fishing, hence the name.

W Cars

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SlashGear ·last yr.

What Does Head Gasket Sealer Additive Do & Which Ones Are Considered The Best (According To Users)?

We may receive a commission on purchases made from links. Internal combustion engines are impressive machines, but they can't function on their own.

Z Cars

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SlashGear ·last yr.

Zinc Additive For Engine Oil: How Much To Add (And Do You Even Need To?)

As someone who's driven classic cars daily for around 15 years, as well as working on and restoring such cars throughout my education, I take vintage automotive maintenance very seriously.