Premium PENRIT CLASMINI005 ENGINE OIL. Designed for high-performance efficiency and durability.
Penrite · Part number CLASMINI005 · NZ$95.00 incl. GST
Got a classic British beauty like an Austin Princess, Morris Minor, or Austin-Healey Sprite? This engine oil is the ticket to keeping those vintage motors happy, protecting against wear, overheating, and sludge build-up during your weekend cruises and club meets.
Price
NZ$95.00 including GST. Part number CLASMINI005.
Fits these vehicles
- Austin 1000-SERIES (1970–1974)
- Austin 1000-SERIES (1970–1974)
- Austin 1000-SERIES (1970–1974)
- Austin A105 DE Luxe (1957–1959)
- Austin A105 Westminster (1956–1959)
- Austin A110 Westminster (1961–1968)
- Austin A110 Westminster (1961–1968)
- Austin A40 Farina (1958–1961)
- Austin A40 Farina (1958–1961)
- Austin A40 Farina (1961–1962)
- Austin A40 Farina (1961–1962)
- Austin A40 Farina (1961–1967)
- Austin A40 Farina (1961–1967)
- Austin A60 Cambridge (1959–1969)
- Austin A60 Cambridge (1961–1969)
- Austin A60 Cambridge (1961–1969)
- Austin A95 Westminster (1956–1959)
- Austin A95 Westminster (1956–1959)
- Austin A99 Westminster (1960–1962)
- Austin Apache (1971–1974)
- Austin Freeway (1962–1965)
- Austin Freeway (1962–1965)
- Austin Kimberley X6 (1970–1973)
- Austin Lancer (1958–1962)
- Austin Mini (1959–1969)
- Austin Mini (1967–1984)
- Austin Mini (1967–1984)
- Austin Mini (1969–1980)
- Austin Mini (1969–1985)
- Austin Princess (1976–1978)
- Austin Tasman X6 (1970–1972)
- Austin-Healey Sprite (1960–1964)
- Austin-Healey Sprite (1962–1964)
- Austin-Healey Sprite (1966–1971)
- Austin-Healey Sprite Mk.iii (1964–1966)
- Leyland-Innocenti Marina (1972–1975)
- Leyland-Innocenti Marina (1972–1975)
- Leyland-Innocenti Marina (1972–1975)
- Leyland-Innocenti Marina (1972–1975)
- Leyland-Innocenti Marina (1972–1975)
Description
Keep Your Classic Brit Buzzing: The Ultimate Engine Oil Guide (Featuring Penrite)
> Right, listen up, classic car enthusiasts! Engine oil isn't just a liquid; it's the very lifeblood, the 'she'll be right' factor for your beloved British motor. It's all about slashing friction, whisking away heat, and keeping those grubby contaminants at bay. For our vintage beauties — think Morris Marina, Leyland Mini, or Vauxhall Viva — those older engine tolerances and seal materials are a bit choosy. They need oils specifically brewed to protect without causing those dreaded leaks or wear that modern synthetic blends can sometimes trigger. Get it wrong, and you're gutted; get it right, and you're golden!
Symptoms That Led You Here
• Oil pressure warning light flickering or staying on
• Engine running hotter than usual on summer cruises
• Tappet noise or valve train clatter on cold starts
• Dark, gritty oil on the dipstick past its service interval
• Blue smoke from the exhaust indicating oil burning
• Visible oil leaks beneath the vehicle after parking
Will it pass WOF?
While oil condition itself isn't a direct WOF checkpoint, excessive oil leaks onto the exhaust or road surface will cause a failure. More critically, neglected oil leads to engine damage that creates emissions issues and unsafe mechanical failures—both WOF concerns in NZ.
DIY or Workshop?
Difficulty: 3/10 | Time: 30-45 minutes | Tools: Drain pan, correct socket/spanner for sump plug, new sump washer, funnel, oil filter wrench
Classic British cars are generally straightforward for DIY oil changes with good underbonnet access. The main consideration is ensuring you use the correct viscosity and formulation for older engine designs—many classics prefer mineral or semi-synthetic oils rather than full synthetics.
Expert Recommendation
Bob and the CARFIX team recommend staying on top of oil changes for your classic—these engines weren't designed for extended drain intervals, and fresh oil is cheap insurance against costly rebuilds. Whether you're nursing a Morris Minor to its next rally or keeping your Austin-Healey Sprite purring for Sunday drives, the right oil makes all the difference. Bob @ CARFIX is always on hand to help you work out exactly what viscosity and formulation suits your classic. Make sure you head over to Bob's Shop for a chat!
Fitment Notes
• Verify correct viscosity grade for your specific engine (commonly 20W-50 for older British motors)
• Vehicles listed span 1955-1980 with varying engine designs—confirm oil capacity in your workshop manual
• Leyland Mini and Marina models may have combined engine/gearbox sumps requiring specific oil grades
• Austin-Healey Sprite and similar sports cars may benefit from oils with enhanced zinc (ZDDP) content for flat-tappet camshafts
• Always replace the sump plug washer to prevent slow leaks
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🛠️ Bob's Pro Tip: Do the Job Right!
🧰 What Else You'll Need:
• Clean Workspace: Use a dedicated oil drip tray and have a roll of workshop towels ready to catch any spills during the drain.
• Filter Removal: Keep an oil filter wrench or strap wrench handy, as old filters can be stubbornly seized.
• Pre-Lubrication: Smear a tiny dab of fresh engine oil onto the rubber gasket of the new oil filter before spinning it on to ensure a perfect, leak-free seal.
• Clean Hands: Keep Nitrile Gloves and heavy-duty hand cleaner nearby to protect your skin from used motor oil.