Is the Chevy 402 a Good Motor, Or is it a Waste?
Is the Chevy 402 a Good Motor? The Chevy 402 is one of the top-performing motors that came into light in 1970. And since then, we have seen the engine popularity has climbed up too high. But what makes the engine one of the key choices when it comes to choosing a car engine?
The Chevy 402 big-block engines provide impressive horsepower (375) and torque (415 pounds-feet) and are well-suitable for smooth driving. In addition, the standard bore size of just above 4 inches makes the engines even more powerful.
Yet, there’s more to discuss on the 402 Chevy engine. So, if you are looking forward to having an engine swap, the remaining part of this article can help you on a large scale.
Is the Chevy 402 a Good Motor? Must-Know Facts
The Chevy 402 comes with multiple variants. And Chevy introduced those variants gradually from its arrival back in 1970. In addition, Chevy provides three variants with its 402 motors, each of which has different specifications and specialties.
Moreover, the three variants of Chevy 402 are;
The LS3 and the L78 variant of Chevy 402 were introduced in 1970. On the contrary, the L34 variant came to light one year later, in 1971-72.
However, it needs to be mentioned here the L34 is a more upgraded version than the previous two variants of the 402 V8 engine.
Among the vital thing everyone needs to consider regarding choosing a car mortar is;
Note: This is not a guide for comparisons. Learning about the 402 Chevy engine and seeing if it meets the basic standards is a better way to go.
Impressive Horsepower of Chevy 402 V8 Engine
The most crucial factor that comes to our mind when discussing an engine’s performance. In terms of the 402 Chevy 6.6 liter engine, you can have a satisfying horsepower of 240-375 based on the variants of the motor.
You can have the highest horsepower of 375 at 5,600 rpm, which is still more than enough to run any modern car. The ideal horsepower for any engine is between 200-300. And, in the case of the 402 engine, we have seen that horsepower is more than enough.
But, if you want to go with the LS3 1972 variants, you must sacrifice a little horsepower. For example, the LS3 1072 has a horsepower of 240 at 4400 rpm.
One of the members of the Third Gen forum wrote,
“A 402-based big block will make a little more horsepower and torque than a similar build 400-based small block. It is a more durable motor too.”
Good Torque of 402 Chevy V8 Engine
The horsepower and the torque of a car’s engine are incorporated. We have seen that all the variants of the 402 engine come with impressive horsepower. So, it makes more sense that the motor is supposed to provide satisfying torque.
In the case of the 402 Chevy engine, you can have a decent torque up to 415 ft-lb at 3600 rpm. In addition, this amount of torque is bare enough with any type of car.
402 Chevy Engine with Decent Bore and Stroke
Now, let’s see whether the engine is up to the mark in terms of bore and stroke. However, the 402 comes with a bore of 4.124 inches. Along with this impressive size of broke, the 402 Chevy motor has a stroke of 3.76 inches.
Moreover, a great combination of bore and stroke makes the Chevy 401 V6 engine even more effective.
Standard Displacement of 402 Motor
The more significant and larger the displacement of your car engine is, the more it can produce power. The 402 has an average size of displacement that can ensure better performance and high speed. The 6.6-liter engine is bare enough to have smooth driving.
In addition, the 6.6-liter engine can last around 3,00,000-5,00,000 miles or even more.
Here, you can have your eyes on this video to explore more about the Chevy 402 engine.
Frequently Asked Questions (FAQs)
The Chevy 402 is a 6.6-litre impressive car engine manufactured in 1970. In addition, the engine comes with 4.124 inches of bore and 3.76 inches of stroke, which is a good combination. More upgraded from the Chevy 396 and 400 motors, the engine performs well on-road driving. Or suitable for passenger cars.
You can have a satisfying horsepower of 375 at 5600 rpm with the 402 big-block chevy engine. The horsepower is more than enough to ensure the best performance of any modern-day V8 engine car. However, it will be better if you avoid choosing the last variant of the Chery 402 engine, as it has only 240 horsepower.
The 402 Chevy big block engine has 6.6 liters or 402 cubic inches. Compared to the previous version 3.96 engine is 0.1 liters more in displacement. This slightly better displacement makes the 402 V6 Chevy engine more powerful.
Final Words
Is the Chevy 402 a Good Motor? Now, you know the answer to this question if you have thoroughly read this content. So, is it worth choosing a 402 Chevy engine for engine swapping?
Well, it is. Almost all car engine has different problems in different stages of their lifetime. In the case of the 402 v8 Chevy engine, the fact will remain the same. So, there’s no scope to consider the 402 as a problematic car motor.
But considering the overall scenario, we can reach a point where the engine is good to go. The is may not be the best engine we have ever discovered, but its performance and popularity say how decent it is. But, if you compare this engine with the 454, you may feel a bit depressed.
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