Search Results for ‘cummins’

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Here’s an answer to the question everyone asks: How are the engines linked? A combining box from Modern Machine does the job, and will send power through a single transmission that’ll be mounted in the factory location.

Diesel engines are different from their gasoline counterparts because they require additional air intake. Many truck owners will install a turbo, or multiple, to help with this issue. Additionally, having the turbo installed will significantly increase the performance by intensifying the...

Use of a CGI crankcase was one of many firsts the 6.7L Power Stroke brought to the ¾-ton and larger truck segment. All blocks are cast by Tupy, where they also receive their initial machining. From there, the blocks are shipped to Ford’s Chihuahua, Mexico engine plant. Notice the block’s...

An overview of nearly 100 years of Cummins history in one room. And this isn’t the entirety of the collection! Numerous artifacts are rotated around the various Cummins facilities worldwide. You will be seeing individual stories on some of these vehicles and engines in upcoming installments of...

The Cummins. It’s the engine that brought inline-six architecture, direct injection, the P-pump, and true, industrial-level strength to the ¾-ton truck market. In either 5.9L or 6.7L form, its stroke (4.72-inch, and then 4.88-inch) dwarfs the competition and produces the most usable off-idle...

Finally, diesel events are being held again. Though various regulations and restrictions are being applied, state to state, it looks like there will be a 2020 event season after all. At the Smokin’ in the Smokies drag race in Newport, Tennessee over the weekend, lights-out index racers Buddy...

Painless Performance was probably one of the first larger companies to offer a standalone wiring harness for the 5.9L Cummins. Many don’t know this but their 5.9L harness can also be used on a 6.7L Cummins with a few small modifications. Standalone harnesses are also available for the Duramax...

Looking for help with 855 cummins with stc. Smokes like a mother all the time. Repaired all oil leaks in the stc system and then set the overhead and still smoked. I teed in a gauge between stc valve and oil manifold and had 15 psi which o think is the minimum pressure. Felt manifold on each...

New to the forum, live in Wasilla Alaska, Cat Dealer technician currently working out of Dutch Harbor as a Marine/EPG tech. I have hot rodded a few cummins pickups and my current project is an old pete 359. Seems like a great place to get/offer some technical support. Thanks MZ:smile2:

Cummins is saying that the ISX liners need to have the brass shim to prevent the liners from fretting in the block. I think that is a facade to cover up the fact that there sometimes there is nothing to center their repair shims, when cutting the counterbores. That brass shim that comes on the...

To those of you who would like to eliminate the brass shim which now comes on ISX liners from new. I have a stainless steel shim to replace the brass shim. The block counterbore needs to be machined, to use my shims. A lot of counterbores are worn down on the right side, and should be machined...

my buddies 04.5 cummins threw a p0642 code and they think its the ecm that is causing it, running on 3 cylinders. my question, can i take my ecm off my 04.5 and put it on his to see if it fixes his problem? If so do you just hook it up and go or is there a procedure or something? any help would...

I have a 2006 ISX cummins 530 hp with 433,000 miles on it. It is an EGR motor. Problem is lately since weather has started to cool up motor will sometimes loss boost of about 10 lbs and exhaust temp will climb to 1000 to 1100 degrees. You might drive 5 miles and it comes out of it. You will...

I bought a 1979 Peterbilt with a "fresh" Cummins 400 Big Cam, at least that is what the previous owner told me. There is no tag on the engine to confirm this. Their are numbers stamped on a pad at the left rear of the engine: 10804625. I was told this engine was swapped in for the original that...

I'm hope this forum is close to a venerable 1990 8.3L vintage engine with a Allison 4sp sitting in a same year crownroyle monaco private party which I might actually be able to afford in my old age :) but... if there's a more appropriate forum for this engine/trans, please inform? I have a...

I have a ntc-400 and the throttle shaft is very tight. I have taken the linkage off to make sure that is not the problem. This is making the throttle stick and that is with a heavy return spring. is there any way to loosen this up?

There actually were Ford trucks with Cummins diesels... but on the Class 8 front (I presume this forum is solely for homegrown conversions?). This relationship goes back to 1961, when Ford offered what were their first diesel-powered trucks in history. They were the H-series cabovers (replaced...

So here's the deal guys, We get between 20-50 calls a day regarding Cummins conversions. About 20 of those we price out all of the parts for a customer to do the work themselves. About 5-10 of them we price out all of the parts and labor for us to do the conversion for the customer. About 5 are...