Is Cummins ISB good?

The ISB Cummins is a good engine and will get you anywhere you want to go. It is the smallest of those used in motorhomes, with the ISC 8.3 preferred for larger coaches. The ISL 8.9 is a “improved” version of the 8.3 with even more torque and power.

Where to tune a Cummins ISB 300 hp engine?

RV Masters maintenance shop here in Houston (which did very good pre-purchase inspection and initial routine maintenance service) said they could tune/optimize the engine to easily get another 50 – 75 HP of output which they stated would give me the power and confidence needed for driving in the Colorado Rockies.

Can You boost the ISB engine to 375hp?

While the engine could by fueled/ boost up too 375HP or more, can not boost the ISB without damaging the 2500. The 2500 is a older tranny that had limited capacity, that is why they went to the 3000, 4000 series ect. for the big dogs. REPEAT THE 2500MH and all the 2500 variants can not safely handle more than 600 Foot pounds torque.

How much horsepower does a 300 horsepower RV have?

Advertised Horsepower 300 bhp (224 kW) Peak Torque 600 Ib.-ft. (814 N•m) Governed Speed 2600 rpm Clutch Engagement Torque 350 Ib.-ft. (475 N•m) Number of Cylinders 6 Bore and Stroke 4.02×4.72 in (102×120 mm) Engine Displacement 359 cu. in.

How many degrees should a Cummins diesel engine go?

The man said he must have my engine serial# in order to locate the exact specs, as each engine can differ from others of the same displacement, HP and torque. According to the curves and data sheet the engine should not go past 212 degrees. If it is getting 220 degrees you need to bring it into a shop so they can check it out.