Is the Chevy 4.8 V8 a good engine?
The Vortec 4800 is a complete workhouse and overall a very reliable engine. The problems mentioned above aren't truly very common and only tend to become common at high mileage, which is expected with any old engine. With proper maintenance and frequent oil changes, these engines can usually last 250k-300k miles. via
What kind of spark plugs increase horsepower?
Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. There is a price for this precious metal. via
How many miles will a Chevy 4.8 last?
With regular oil changes and proper maintenance, these engines can serve you for up to 250,000 to 300,000 miles. via
How do I get more power out of my 4.8 Silverado? (video)
https://www.youtube.com/watch?v=6nMzMhp1L28
How much HP does a 4.8 Vortec have?
GM 4.8L Liter V8 Vortec L20 Engine
| Type: | 4.8L Gen IV V8 Small Block |
|---|---|
| Positive crankcase ventilation | |
| Horsepower hp (kw) | |
| Chevrolet Express > 10,000 lbs | 285 hp (213 kW) @ 5400 RPM SAE Certified |
| Chevrolet Express < = 10,000 lbs | 285 hp (213 kW) @ 5400 RPM SAE Certified "GMC Savana > 10 |
How much HP can a 4.8 LS handle?
Run with the Comp 54-454-11 cam and new 26918 springs, the 4.8L responded with peak numbers of 441 hp at 7,000 rpm and 354 lb-ft of torque at 5,400 rpm. via
Is the 4.8 Vortec an LS motor?
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 LR4 was available in GM pickups, vans, and SUVs until 2007. The 4.8L engine is also known as the Vortec 4800. via
Is a 4.8 a 327?
Given the bore and stroke of each, a better comparison might be the 327 and larger 350, as the 4.8L and 5.3L share the same bore size of 3.78 inches while the 4.8L makes due with a shorter 3.267-inch stroke (down from the typical LS stroke of 3.622 inches). via
What can I do to make my Silverado faster?
Is a 4.8 and 5.3 same block?
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). via
What oil does a 4.8 Silverado take?
Engine Oil
SAE 5W-30 is preferred. Capacity: With filter 6 quartsAfter refill check oil level. via
Will changing spark plugs increase mpg?
The National Institute for Automotive Service Excellence indicates that bad spark plugs can decrease fuel economy by up to 30%, and can cost drivers up to about 94 cents per gallon at today's prices. via
Do upgraded spark plugs do anything?
Installing high-performance spark plugs can smooth out a rough idle and get your motor purring immediately. Pulstar spark plugs can give your engine more power, a quicker throttle response, and a more stable, longer-lived engine. via
How often should I change spark plugs?
Spark plugs are somewhat durable components and don't need to be replaced too often, that said, the general recommendation is about every 30,000 to 90,000 miles. Each vehicle may differ on when they should be replaced. via