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Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts
High performance formula for push-rod, flat tappet engines and performance cam applications
Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts
Item #: 47939168

Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts

Item #: 47939168

€ 56

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High performance formula for push-rod, flat tappet engines and performance cam applications
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What Stands Out

High Mileage Formula
Designed specifically for older vehicles, this motor oil helps reduce engine wear and tear, extending the life of your car's engine while maintaining optimal performance.
Superior Protection
Castrol GTX Classic provides enhanced protection against sludge and contaminants, ensuring your engine runs clean and efficient, which is crucial for the longevity of classic and high-mileage engines.
Improved Performance
The 20W-50 viscosity rating ensures excellent thermal stability and viscosity retention, delivering reliable performance in various driving conditions, making it an ideal choice for daily or vintage vehicle use.

Product Details

Shop Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts online at a best price in Ireland. 751818585
  • Formulated for classic/collector cars, muscle cars, hot rods, and race cars
  • Contains high zinc and phosphorus for extreme wear protection
  • Blended with ZDDP anti-wear additives for protection in high friction areas
  • Compatible with gasoline and alcohol based fuels
  • Not for use in modern engines with catalytic converters or wet clutch applications
  • Meets API SJ specifications and should be used following OEM instructions
Motor oil viscosity20W - 50
Motor oil typeConventional Motor Oils
BrandCastrol
Rec. useAutomotive
Volume capacity5 qt
Diesel fuel compatibleN
Vehicle typeCar
Vehicle fitment typeSpecific
Product lineGTX Classic
ManufacturerBP Lubricants
SizeQuart
Model15E809
Compatible carsclassic/collector cars, muscle cars, hot rods and race cars
Count per pack3
Count3
Product net content uomFluid Ounce
Item Weight5 lbs (2.27 kg)

Who Should Buy?

Suitable For
  • Classic Car Owners

    Ideal for vintage vehicles needing conventional oil for optimal performance and protection against rust and wear.

  • High Mileage Vehicles

    Great for older cars with high mileage, offering added protection and improved engine performance.

  • Simple Oil Changes

    Suitable for DIY enthusiasts who prefer conventional oil for straightforward oil changes and maintenance.

Not Suitable For
  • Modern Engines

    Not suitable for newer engines designed for synthetic oil, as it may not meet their performance standards.

Product Description

Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts

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Product Buying Guide

Choosing the right motor oil is crucial for ensuring the performance and longevity of classic, collector, muscle, hot rod, and race cars. Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts is specially designed to cater to the needs of such high-performance vehicles. With a focus on extreme wear protection and resistance to thermal degradation, this motor oil is a top choice for those seeking optimal engine maintenance and protection.

Product Specifications

  • Oil Viscosity: 20W-50
  • Special Features: High Zinc and Phosphorus content for extreme wear protection, Compatible with gasoline and alcohol based fuels, Not for use in modern engines with catalytic converters or wet clutch applications
  • API Specification: SJ
  • California Proposition 65 Warning: Contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm

Key Features

  • High Zinc and Phosphorus Additives
  • Extreme Wear Protection
  • Resistance to Thermal Degradation
  • Compatible with Gasoline and Alcohol Based Fuels

Usage Scenarios

  • Ideal for classic/collector cars, muscle cars, hot rods, and race cars
  • Recommended for use in engines with high tension valve springs, push-rod, flat tappet engines, and performance cam applications

Usage Scenarios

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Some User Review

  • I've been using Castrol GTX Classic for my vintage muscle car, and I'm extremely satisfied with its performance. The wear protection it offers is exceptional, and I feel confident driving my car knowing that the engine is well cared for.

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Buying Considerations

  • Ensure that the oil viscosity (20W-50) is suitable for your vehicle's engine requirements
  • Consider the compatibility with your vehicle's fuel type before making a purchase decision
  • Take note of the California Proposition 65 warning and assess any potential risks associated with the product
View Less

Choosing the right motor oil is crucial for ensuring the performance and longevity of classic, collector, muscle, hot rod, and race cars. Castrol GTX Classic 20W-50 Conventional Motor Oil, 5 Quarts is specially designed to cater to the needs of such high-performance vehicles. With a focus on extreme wear protection and resistance to thermal degradation, this motor oil is a top choice for those seeking optimal engine maintenance and protection. Continue Reading

Customer Questions & Answers

  • Question: What types of engines is this oil suitable for?

    Answer: This oil is specially formulated for push-rod, flat tappet engines and performance cam applications.
  • Question: Does this oil have any warranty?

    Answer: Yes, it includes the Castrol Engine Warranty with coverage for up to 500K miles.
  • Question: Is the enrollment process for the Castrol Engine Warranty free?

    Answer: Yes, the enrollment process is quick, easy, and free.

Castrol Castrol Synthetic Blends Editorial Review

Castrol GTX Classic 20W-50 Conventional Motor Oil is highly recommended for motor enthusiasts who build motors or change out new camshafts. The oil has Zinc in it, making it ideal for classic cars and air-cooled, 4 cyl. VW engines. The user has taken apart motors several times that were ran with Castrol oil in them throughout its life of operations and all looked like brand new inside when taken apart. The customer had no issues with the product and loved the new oil they came back out with. While some customers had issues finding the product in stores, buying it online was an easy solution. The product was delivered in two days with a great price and was recommended for its excellent quality and price.

Customer Reviews & Ratings

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Pros

  • Contains Zinc, making it ideal for motor enthusiasts who build motors or change out new camshafts.
  • Users reported taking apart motors that used Castrol oil and found them to look new inside.
  • Recommended for classic cars and air-cooled, 4 cyl. VW engines.
  • Affordable compared to other high Zinc motor oils.

Cons

  • Some customers had difficulty finding the product in stores.

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