There are several potential causes of engine hesitation on acceleration. These include a dirty or faulty throttle body, a slipping transmission, low tire pressure, bald tires, or a faulty traction control system. An idle air control valve may also be a potential cause.
What RPM should a 6.7 Cummins run?
Between 1,300 and 1,500 RPM is the most fuel-efficient engine speed, or what some would call the “sweet spot.”
How many miles is too many on a 6.7 Cummins?
To be more precise, Ram claims its 6.7L Cummins engine will last for 350,000 miles. For this reason, a Cummins-powered Ram 2500 with good service records is considered high mileage between 350,000 and 500,000 miles.
How much HP can a 6.7 Cummins block?
When pushed to its absolute limit, the OEM fuel system on the 6.7L Cummins (lift pump, CP3, injectors) can support as much as 530rwhp and roughly 550rwhp with a turbo upgrade.
Why does my Dodge Ram hesitate when I accelerate? – Related Questions
How often should I change the oil in a 6.7 Cummins?
Extended drain intervals on Cummins 6.7L Engine
In our past experience you can get up to 10,000kms (6200 miles) doing this, but there is additional filtration required.
Is a Cummins faster than a powerstroke?
The Power Stroke has more horsepower but slightly less torque, while the Cummins has the opposite. However, as noted by AutoWise, the Power Stroke ultimately produces more horsepower, which is a better indicator of engine strength in real driving situations.
How much HP can a Cummins block handle?
Stock Block: Unofficially Rated For 1500 Horsepower
In high horsepower, race-only type applications, the 6BT block has proven capable of standing up to 1,400 to 1,500 hp so long as torque output is kept below 2,500 lb-ft (usually accomplished with high-rpm operation).
How much power can a stock 6.7 Cummins make?
Not only does the 6.7L Cummins turn out 1,110 hp at its peak, it makes 1,050 hp or more from 3,000 rpm through 4,200 rpm.
Is a 6.7 Cummins better then a 6.7 Powerstroke?
Both trucks share similar truck numbers but differ in output, with the Powerstroke coming on top. The Cummins also uses the single sequential turbocharger, but it is different from that of the Powerstroke engine. In terms of performance, the 6.7 Powerstroke engine offers the best.
Can you twin turbo a 6.7 Cummins?
A Twin Turbo 6.7 Cummins will run cool, clean and powerful. Specifically designed to operate awesome from stock horsepower all the way up to 600 horsepower.
How many miles is a 6.7 turbo diesel good for?
After years of production, the 6.7L Power Stroke has proven it can storm past the 200,000-mile mark with few repairs. Provided you adhere to Ford’s recommended service intervals, there is no reason this engine won’t see 300,000 or even 400,000 miles.
What is the best turbo for a 6.7 Cummins?
Diesel Power Source 2012 6.7 cummins turbo or 6.7 Cummins Compound Turbo Kit is the best turbo for 6.7 Cummins turbo performance. If you’re looking for super cool EGT’s, great top end power, keep your exhaust brake on your Dodge Ram turbo 6.7 cummins with this 2011 ram 2500 6.7 cummins turbo kit.
What size turbo is on 6.7 Cummins?
For context, the stock turbo size on a 6.6-liter LML Duramax is 61mm, and a 6.7-liter Cummins uses 60mm turbo.
How often do diesel turbos need to be replaced?
Ideally, your turbocharger should last roughly the same time as your vehicle. Specifically, most turbochargers need replacement between 100,000 to 150,000 miles. If you stay on top of car maintenance and scheduled oil changes, your turbocharger can potentially last beyond that.
What is the best Cummins engine ever made?
Cummins guys will fight until their dying breath that the Cummins 5.9 is arguably the best diesel engine ever made while CAT or PowerStroke gents will look in disbelief at the verbal diarrhea spewing forth from their buddies’ mouths. The debate is as old as Rudolf Diesel himself.
How much HP can a 68RFE handle?
This kit re-works the valvebody and TCM to where the 68RFE can live at 500 to 550 hp, but any more than that and the truck owner will have to start delving deep into the transmission.
Why does the 68RFE fail?
Because of their lack of mass, the 68RFE clutches have a very low tolerance to heat and do not dissipate it well. Once these clutches heat up past a certain temperature, they begin to distort. This decreases the overall clearance and causes the clutches not to release fully, eventually burning up (Figure 1).
How long will a 68RFE last?
They tend to have a serviceable lifespan of about 150,000-200,000 miles in average “peak of the bell curve” applications.
How hot is too hot for a 68RFE transmission?
So here is a fact you should remember: the ideal maximum transmission temperature is 200°F. For every 20 degrees you go above 200 you reduce the expected life span of the transmission by a factor of 2. Simply put, at 220 degrees you can expect ½ the life span, at 240 a ¼ and at 260 it is reduced to 1/8th.
How do I keep my transmission cool when towing?
Adding a simple auxiliary cooler inline with the factory unit can nearly double the life of transmission fluid, keeping your gearbox happy and healthy for a long time. Also helpful are aftermarket aluminum pans. Their added fluid capacity and finned heat-sink design provide additional cooling as well.