The SR20Det, simply called the SR, is an outstanding engine on the market. Currently, both the SR Redtop and Blacktop are the leading engines. It is really difficult to distinguish between the SR20DET Redtop and the Blacktop engine. They have some unique features that set them apart. They are different from their dining cam. Also, in the price range section, they are different. Redtop engines are more expensive than blacktops.
A good engine can make your journey safe and hassle-free. Considering all the desired issues, Nissan introduced these two engines to the customer. With many advanced technologies and impressive features, they launch these engines. Blacktop engines are equipped with variable cam timing and a large Garrett T28 turbocharger. Also, it has valve timing variations. On the other hand, Redtop seems to be better at internal flux engineering.
Sr20det Redtop Vs Blacktop
|Basis of Comparison||Redtop||Blacktop|
|Manufacturer||The Nissan Motor Company Ltd., Japan.||The Nissan Motor Company Limited, Japan.|
|Built-in||Japan, Europe, and Australia||Japan, Australia, and Europe|
|Turbo-charged availability||It features a “High Port” cylinder head that relies on non-variable timing camshafts and offered tremendous airflow from the factory.||This engine uses a single Garrett T28 turbocharger unit.|
|Engine configuration||It uses almost 370 cc/min fuel injectors to deliver fuel and a single Garrett T25G journal-bearing turbocharger for boosting pressure.||The sr20det blacktop uses a longitudinally-mounted 4-cylinder engine configuration.|
|Stock boost pressure||The pressure is almost 1.3-bar||The pressure is almost 7 PSI|
|Cylinder head features||It features Dual Overhead Cams (DOHC), 16 valves (4 valves for each cylinder), and a Variable Valve Timing (VVT) system.||It is made with alloy cylinder liners, has enough power to run, adequate supporting mods enabled, sufficient maintenance, and a turbocharged engine.|
|Amount of stock power output||This engine produces 201 BHP in stock but can support almost 400HP with 6,000 RPM.||250 PS with 6400 RPM|
|Stock torque output||202 lb-ft with 4,000 RPM||220 lb-ft with 4800 RPM|
|Special features||It is made with alloy cylinder liners, has enough power to run, adequate supporting mods enable, sufficient maintenance, and a turbocharged engine.||This engine is a top-class and highly tunable engine, with just simple bolt-on modifications. It achieves 300 PS easily.|
|Cooling factor availability||Sr20det engines are considered a cool platform. Japan, Australia, and Europe offer the SR20 from the factory while USA and Canada do not offer it.||Same as Redtop|
|Cost||The price range is higher than the Blacktop engine.||The cost is too low compared to redtop engines while blacktop is an advanced engine.|
Basic Concepts of Nissan Redtop Engine
Nissan has been building long-lasting and numerous engines in recent years. The Redtop engine is one of them. The sr20det (T stands for turbocharged) version is a great and reliable turbo engine. They produce a lot of energy. However, the sr20det redtop comes with an exceptional and latest model, the 4-cylinder. The configuration of this engine touches the mind. With electronic fuel injection and dual overhead camshafts, it provides plenty of power throughout the day.
Basic Concepts of Sr Blacktop Engine
After discovering the classic Redtop engine, Nissan introduced a Blacktop (non-VCT) in 1994. But after 1994, they produced a second Blacktop engine which is equipped with VCT (Variable Cam Timing and a larger Garrett T28 turbocharger. This engine delivers the highest peak of pressure and power almost 217bhp with 6,000 RPM and 220 lb-ft of torque with 4,800 RPM. With sufficient power storage, it offers effortless benefits after a long time.
Similarities Between Sr20det Redtop and Blacktop
When it comes to similarities between these two engines, easily say, they both are sr20det engines. Also, the manufacturer of both engines is the same. In terms of having VCT, VVT, dual overhead cams, and cylinder configuration, they are similar. Both engines are engineered with 4-cylinders with 16 valves. The stock boost pressure is also the same. Additionally, they came from the same manufacturer and were made in Japan, Australia, and Europe.
Differences Between Sr20det Redtop and Blacktop Engines
Along with some major similarities between them, they also have some notable differences. They differ in terms of displacement, engine configuration, turbocharged variant, stock power output, stock torque output, suitability, soundness, and price range. So, let’s discuss them in depth.
The SR20det redtop engine was first built in 1989 on Nissan’s Bluebird 2000SSS Attesa Limited. It is made by Nissan Motor Company of Japan. Also, it is manufactured in Australia and European factories except for Japan. On the other hand, the first blacktop engine was made by Nissan in 1994 without VCT and since then, it has been made with VCT. It is also made by Nissan in Japan.
In case of displacement change, all sr20det is the same. When talking about the Redtop engine, it can displace the fuel injector at about 370cc / min to supply fuel. In contrast, Blacktop can displace 480 cc/min injectors.
All SR20det engines use a longitudinal-mounted 4-cylinder engine configuration. However, the SR Redtop engine came with a “high port” cylinder head that offers non-variable timing camshafts and fine airflow from the factory. In contrast, the Blacktop engine comes with a VCT (variable cam turbocharger and dual overhead cam with a 4-cylinder. Also, it has a variable valve timing system)
The Redtop is paired with a Garrett T25G journal-bearing turbocharger and a five-speed gearbox to increase final pressure. This engine can produce 200 HP in stock trim. In some cases, it safely produces approximately 400 HP. In contrast, the Blacktop comes with a single Garrett T28 turbocharger equipped with variable cam timing.
Stock power output
In terms of stock power generation, they are slightly off. Here, Redtop produces 201 BHP with 6,000 RPM. But it can produce more power than 201 BHP hassle-free. The right combination of bolt-on parts, turbo upgrades, fuel delivery improvements, and calibration is perfect on Redtop. In contrast, Blacktop offers 217 BHP with 6,000 RPM. To get more energy and a peaceful performance, it is a better choice than the average one.
Stock torque power
With a 202-pound-foot torque of 4,000 RPM, the Redtop offers maximum performance. Fortunately, with a 220-pound-foot torque of 4,800 RPM, the Blacktop delivers more power than the Redtop.
Both engines are available in RPS13 180 X and S13 Silvia. Redtop engines mostly come for cars with 180SX engines. On the other hand, Blacktop is suitable for a 200SX engine car.
In terms of the price range, they are basically different from others. Redtop is much more than Blacktop. Considering all the aspects, features, and advantages, Blacktop engines are in the range of affordable compared to Redtop.
Advantages and Disadvantages of Redtop Engine
- It is paired with a Garrett T25G Turbocharger and a five-gearbox.
- Produce sufficient power.
- It can deliver almost 400 HP safely on a stock bottom end.
- Slightly expensive considering its quality.
Advantages and Disadvantages of Blacktop Engine
- It can produce lots of power.
- Long-lasting and reliable.
- Affordable price range considering the best quality.
- T28 turbocharger for better performance.
- Don’t have any gearbox with a turbocharger.
So now you have read the article comparing SR20DET Redtop vs. Blacktop engines. Hope you enjoy the lesson and identify the basic differences and similarities between them. A quality engine is crucial for delivering improved performance. If the engine is worn out or damaged, you will encounter difficulties. Thus, replacing an old one with a good engine is essential. However, both the SR Redtop and Blacktop engines have unlimited features that cannot be described in words. Both really impressive and perform perfectly.
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