VSPe vs Valvemaster: The Best Lead Replacement Additive?
Millers VSPe Power Plus vs Castrol Valvemaster — an honest comparison of the two best lead replacement additives. Both protect valve seats and E10; here is the difference.
Fuel & Additives
Plain-English guides to Millers fuel treatments, grouped by the vehicle you drive. Not sure which additive you need? Pick your vehicle below, or browse all fuel treatments.
1Classic & older petrol cars
2Modern petrol cars
3Diesel cars & vans
4Performance & motorsport
5Storage & lay-up
All fuel articles, newest first ↓
DPF Cleaner: How to Clean a Blocked Diesel Particulate Filter
A blocked DPF is a common, costly diesel problem. How a DPF cleaner additive cleans and regenerates the filter, the warning signs, and how to prevent it.
Fuel Injector Cleaner: Petrol & Diesel — Do You Need One?
How fuel injector cleaner restores power, economy and smooth running — the signs your injectors are dirty, and which petrol or diesel cleaner to choose.
Octane Booster Explained: How Millers CVL Extra Works (And Why It’s One of the Best)
Millers CVL Extra is a competition-grade octane booster that adds up to 4 octane numbers, controls knock like lead and protects the valves — here’s how it works.
Laying Up a Classic Car for Winter: The Complete Checklist
A 12-step winter lay-up checklist for classic cars and bikes in Ireland: fuel, oil, coolant, rust protection, brakes, tyres, battery and storage, plus what to do in spring.
Lead Replacement & E10 Protection for Classic Cars: An Irish Owner’s Guide
Does your classic need a lead replacement additive, and how do you beat E10 ethanol damage? A plain-English Irish guide plus the right Millers treatment.
E10 Petrol Problems for Older Engines (and How to Protect Yours)
E10 petrol is standard at Irish pumps, but its ethanol can harm older and classic engines. What it does, which cars are at risk, and how to protect yours.
