Quick Answer: What Is A 4.8 Liter Engine?

What size motor is a 4.8 liter Chevy?

GM 4.8L Liter V8 Vortec L20 Engine

Type: 4.8L Gen IV V8 Small Block
Bore x Stroke: 96.01 x 83mm
Bore Center (mm): 111.76
Fuel system: Sequential fuel injection
Maximum Engine Speed: 6000 RPM

What is a 4.8 liter engine in cubic inches?

In terms of displacement, the 4.8L checks in a 293 cubic inches and while down on displacement to the larger 5.3L and 6.0L, the short-stroke 4.8L is an interesting departure from the run-of-the-mill 5.3L. Given the minimal displacement of the 4.8L, we couldn’t help but call this project Mini Mouse.

What is the difference between a 4.8 L and 5.3 L engine?

It’s difficult to identify the 5.3L and 4.8L because the blocks are the same; the difference is inside. The 4.8L uses an 83mm stroke and the 5.3L’s is 92mm (the same stroke as a 5.7L, 6.0L, and 6.2L). So how do you easily sort out the two displacements?

Is the 4.8 Vortec an LS motor?

LR4 4.8L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More. The LR4 is a 4.8L iron block truck engine that was introduced in 1999. Along with the LM7 and LQ4, they were the first LS truck engines. The 4.8L engine is also known as the Vortec 4800.

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Is the 4.8 a good motor?

However, I consider the 4.8L to actually be more reliable than the 5.3L as the 5.3’s all had Active Fuel Management (AFM) which cause a lot of excessive fuel consumption issues. Overall, the engine blocks are considered bulletproof and are very strong.

Are 4.8 and 5.3 heads the same?

4.8 and 5.3 have the same bore, only the stroke is different.

Is a 4.8 a V8?

The GM 4.8 V8 engine is the smallest V8 offered by General Motors in its full-size trucks and vans. The 4.8 series actually includes two engines: the LR4 V8, used in pickup trucks and SUVs, and the LY2 V8, used in full-size cargo and passenger vans.

How many miles will a Chevy 4.8 last?

For the most part Chevy’s 4.8 Vortec engine was a well-performing Workhorse of an engine. As long as it was properly maintained many drivers were able to keep the engine working well for up to 300,000 miles or more.

How can I get more horsepower out of my 4.8 Vortec?

Several things can be done to your 4.8L truck. LT headers, custom tune, shorter gears, higher stalling torque converter. Next would be a Cam or Nitrous. Next would be some kind of boost, Supercharger or Turbo.

What does LT stand for Chevy?

LT = Luxury Touring. LTZ = Luxury Touring Z. The Z represents it is the highest trim level. Some of the other newer trim levels have meanings too.

Is 5.3 and 6.0 the same block?

the 5.3s 15hp faster than the 4.8, and the 6.0s like 40-50hp faster than the 5.3. A 6 liter has a different block with a 101.6 mm bore. The 5.3 and 4.8 have a 96.01 mm bore. The 5.3 and 6.0 share the same stroke with crank and rods.

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How much HP does a 4.8 LS have?

Dyno tested, and bone-stock internally, with headers a single-plane intake and 650 cfm carb, the 4.8L LR4 made 333 hp at 5,400 rpm and just over 343 lb-ft of torque at 4,700 rpm. With the truck EFI intake and GM throttle body we typically see just over 350 hp.

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