How much horsepower can a 4.8 Vortec handle?
Many people use them with boost or nitrous. With upgraded internals, the blocks can handle over 1,000 hp. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love.
Is a 4.8 LS a good motor?
The 4.8L LS Engine Family But that’s good news for you, because they’re often easy to come by in junkyards and relatively cheap. Yet thanks to an iron block, the 4.8L LS can support big horsepower, particularly if you’re adding forced induction like a turbo or supercharger.
How much HP can you get out of a 4.8 LS?
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.
How much can you bore a 4.8 LS?
4.00-inch
All dimensions in inches unless otherwise noted. Notes: Some rare 4.8L/5.3L iron truck blocks can be bored out to 4.00-inch (see text for details).
How long does a 4.8 v8 engine last?
With regular oil changes and proper maintenance, these engines can serve you for up to 250,000 to 300,000 miles.
How much power can a stock 4.8 make?
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.
Are 4.8 and 5.3 blocks the same?
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).
Are 4.8 and 5.3 cranks the same?
The 4.8L flat-top pistons are a common (and inexpensive) upgrade for a 5.3L. Crankshaft and connecting-rod casting numbers are the real key to distinguishing between the two. If you have crank casting numbers ending in 216 and rods ending in 143, then you have a 5.3.
Can a Chevy Silverado pull a 6000 lb camper?
Due to the steel frame on the Chevy 1500, the most basic model has a maximum towing capacity of approximately 7,000 lbs. A good margin of safety of roughly 20% would cut that down to 5,600 lbs. The Silverado 1500 comes in a variety of engine sizes, and potential maximum towing capacities.
How much can a 2009 Chevy Silverado 1500 4.8 tow?
A crew cab Chevy Silverado 1500 can haul 2,039 pounds. Depending on the model and equipment, the Silverado 1500 can tow up to 10,500 pounds.
What heads does a 4.8 have?
High-Flow Cylinder Heads and Valvetrain: the 4.8L’s cylinder heads feature “cathedral”-shaped intake ports that promote exceptional airflow. The high-performance cylinder heads support great airflow at higher rpm for a broader horsepower band, along with strong, low-rpm torque.
What is the difference between a 4.8 and a 5.3 LS?
What’s the difference between 4.8 and 5.3 Pistons?
There is also a difference between the pistons of these two engines, the 4.8L has a flat dome and the 5.3L has a cup dome. Another thing that we noticed is that the 4.8L pistons from OE had a pink ink mark in the pin area and the 5.3L had a green mark.
How much can a 4.8 V8 pull?
the 4.8 is adequate to tow what you are towing- make sure you engage the tow haul mode so the transmission does not try to go into overdrive unless it is safe. it is rated for 4600 lbs.
How much can a 2010 Chevy Silverado 4.8 tow?
4,400 to 7,000 lbs2010 Chevrolet Silverado 1500 / Towing capacity