I agree with the o2 sensor check, but there is a problem using a scan tool. If you can do the labor, which I'm leaning toward you can, you may see some gains with the taller gearing. I've been reading through the factory service manual, and theres more information in there on how to diagnose a squeaking serpentine belt than an issue like this. The Vortec 7400 was based on the 1995 version of the 7. I could get 14mpg on the highway turning some big tires through the 80e provided I kept to 65mph which was probably about the best it ever got.
Digital Trends and walked away impressed. The muscle car era was long gone when the 7400 series was developed. Click here to see all Chevrolet vehicles' destination freight charges. Both get six-speed automatic transmissions. You need a lab scope that will take reading as fast as several thousand a second. I had 350's that pulled better than it. All fees and programming subject to change.
Towing a heavy load, the mileage could drop to 7 to 8 mpg. After the first few seconds, its idles rough. I always liked those rigs We towed a dozer with a 1 ton 454 from Michigan to Central Indiana one year and we never passed a gas station! Muscle cars, heavy duty trucks, and motorhomes all differ greatly in what mileage results can be obtained. Chevy has declined to discuss horsepower and torque, but says the diesel will be paired with a 10-speed automatic transmission and will be available in early 2019. The V6 is rated at 285 hp and 305 lb-ft of torque, while the 5.
The weight of passengers, cargo and options or accessories may reduce the amount you can tow. The 8100 pulled every bit as good as the powerstroke with not much more fuel. See for details and limitations. Are you asking because you are buying? Truck recently had an exhaust manifold replaced. Cargo and load capacity limited by weight and distribution. Can't give you much input on the mileage difference between a 454 and 350. I too am curious why the Dmax never made it into the 2500 Suburban.
To check for phone or other device compatibility, visit for details. I have had other 454's and they were great! When installing the belt it is very intuitive except that you have to use a breaker bar and a socket to rotate the tensioner smaller pulley to the left of the starter on the top row counter-clockwise. It kind of looks like a pin that slides into the side of the hose. At least you know the motor won't be lugging itself too badly. For what I would use the truck for it would be a worth while swap. Your actual range may vary based on several factors including temperature, terrain, and driving technique. The 7400 series was retired in 2001.
Some people on another forum I go to that use the Bosch ones really like them. But I don't even know if it will work without major modifications. For important tire and wheel information, go to or see your dealer. For what I would use the truck for it would be a worth while swap. There is generally a picture on the cardboard on the new belt.
Having the tailgate up is better than down proven time and time again but… The answer would depend on what state you live in, your driving record, if you took driver's education in school or not, and most important the company you choose and how they assign drivers. Updated 10-11-2018: Added fuel economy figures for the four-cylinder engine. The firm is now ready to fill in some of the blanks. Click here to see all Chevrolet vehicles'. You have to feather the gas a little and it shudders but it will start then you have to give it a little gas or it'll stall. Cargo and load capacity limited by weight and distribution. It is not fast enough to see the voltage change above and below the thresh hold voltage of.
As others have stated, these are problem areas with this engine. Services are subject to user terms and limitations. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. It had 410 torque at 3,200 rpm. To start viewing messages, select the forum that you want to visit from the selection below. I have a 98 K3500 with the 7.