How many miles will a 454 last?
454 will run 200k with the right oil.
Is 454 a good motor?
The Chevrolet 454 remains a favorite among performance enthusiasts because of the its power output and the availability of aftermarket parts for the engine.
Is the Chevy 7.4 a good engine?
The 1996-2000 L29 7.4L big blocks are great engines. Much more dependable and durable than the 6.5L diesel of that era. L29’s had multiport sequential fuel injection, all of the latest sealing technology to prevent oil leaks and the “Vortec” style heads flowed very well.
The 454 is a big-block carbureted engine found in most older model Chevrolet cars and trucks. The engine uses eight cylinders to provide high-end torque and speeds. The combination of larger bore and eight cylinders equates to very poor gas mileage. The engine runs an average of 10 to 15 mpg.
How much HP does a 454 have?
Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.
They are all the same. All mounts will have the bolt location in the same spot. If there is a difference it will be in the frame and not in the mounts.
How much horsepower does a 7.4 Vortec have?
7400 Vortec Stats
The 7400 Vortec V-8 GM engine has 454-cubic inches and was rated at 290 horsepower at 4,000 rpm. It had 410 torque at 3,200 rpm. The engine has a bore and stroke of 4.24 inches x 3.99 inches. The valve train has an overhead valve, ohv, configuration with two valves per cylinder.
What LS is a 454?
The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was a brawny gas-guzzling powerplant that should have died an ignoble death after the 1973 fuel crisis.
The Vortec truck harness has a large portion up on top of the intake manifold, is supported by it, and is covered or hidden by the plastic engine cover. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine.
How can I get more horsepower out of my 454?
How Do I Get More Power out of a Chevy 454?
Improve the fuel and air intake system. Replace the stock exhaust system with a high-flow system. Replace the stock timing parts with ones tuned for racing. Bolt on a supercharger.
How much fuel does a 454 burn?
A 454 will burn about 16gph at 3000rpms more or less depending on if carb or mpi.
Is a 454 big block a good engine?
The 454 big block is a very good engine to go with if you are looking for something that can output a lot of power, and fit in a lot of classic cars and trucks. This is a classic engine from Chevrolet and stock it makes great power from the factory, if you upgrade it you can get even more out of it.
Take a 454, add a 4.250-inch stroke crank along with some 6.385-inch rods and your displacement shoots up to 489 cubes. By the time you recondition your rods, grind your crank and possibly add new pistons, you’re just a few bucks away from buying a brand new stroker kit.
What can you bore a 454 to?
If there is no visible core shift in the lifter bosses, many 454-based engines are bored to +. 100-inch (yielding a bore size of 4.350 inches), and some brave souls have gone as far as +.
Will a 454 bolt up to a 700r4?
Yeah a stock 454 won’t kill a stock 700r4 unless you’re planning on towing with it or hot rodding the 454 some day. Once you upgrade something though you’ll have a hard time with the weak parts like planetary, power band, output shaft. All of those should be upgraded if towing or building the engine are in your future.
What year did Gen 6 454 come out?
Introduced in 1996 model year, the Gen VI features hydraulic-roller lifters, multi-port fuel injection, and a PCM.
How much does it cost to rebuild a 454? Engine only to rebuild including no labor to remove & replace or related parts is about $3000.00 on up depending on exactly what you want, this does include the oil pump as no rebuilt engine will not include one. total job will be $6000.00 plus.
Is a 454 A small block?
The 454 is based on the World Products’ Motown iron block, and the biggest news about it, beyond the huge displacement alone, is the 4.250-inch bore. Combined with the 4.000-inch stroke, the World Products 454 small-block has the same bore and stroke combo as an original 454 Chevy big-block.