Quote:
Originally Posted by 2.Slow
So I have a friend with a VW TDI, who routinely uses cetane booster in every tank and consistently sees a 15% gain in MPG from using cetane booster vs not using it.
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Impressive claim.
Can he back it up, and also tell us what and how much he's using ?
Cetane boosters are only meant to be added to low quality diesel.