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Fresh off a delete since the dealer told me my DPF was plugged. I’m driving down the road exhaust brake on as usual. Everything is working fine. 30 miles down the road I let off and no exhaust brake. Look down and the CEL is on. I get stopped and check the code. P003a. I erased the code and...

I bought an Autocal with a Tow Delete tune. The instructions start with “Once you have unlocked the ecm”. How do I unlock the ecm? The instructions don’t say and apparently the Autocal has the ability to unlock the ecm so I don’t need a separate device. Anybody used one of these on a 13-17 Cummins?

I’m just kicking around ideas. “Stock” truck pulling class around here allows single chargers with a 2.6 inlet that are “stock” appearing. Other than no aftermarket head or block that’s about it for the engine rules. What would be a good single turbo that would fall into this category and still...

Well I’m guessing this is an ATS converter. I’m going bet it’s safe to say this is an ATS 47RE.

I acquired this engine and trans out of a 2wd. I believe was a 97. What are the odds this purple transmission is an ATS? I can’t find any markings on it that would indicate it’s an ATS other than it’s purple.

My buddy has a 12v engine I am thinking about buying. It’s complete and supposedly ran when pulled. It has 300k miles on it. I’m already figuring on rebuilding it. I’m just wondering what if anything I should look for that might be a deal breaker. I’ll check for popped freeze plugs indicating it...

No driveline so the imagination is free to roam. I’m thinking street/strip monster. I do have 4 jack stands. It would make a nice conversational piece.

I just bought this truck and I'm already getting a P20EE code. I'm not going to fight this DPF stuff off and on constantly. I'd rather just delete it and be done. All I want is to delete the exhaust and EGR. I don't want anything more than a 50hp tune. The rest of the truck is stock and I'd like...

My buddy is selling his truck. It on ebay. http://www.ebay.com/itm/221577945174?ru=http%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_from%3DR40%26_sacat%3D0%26_nkw%3D221577945174%26_rdc%3D1

Is there a diesel class below altered stock? I was reading the rule book online and altered stock was the lightest class I found. It seems that's a 2.8 turbo class though. I wasn't looking to get into 2.8. I have heard there is a class more for stock trucks. I just haven't been able to find...

Love these wheels. Except there 20's. For a lowered truck and drag racing. I would rather have an 18" wheel maximum. I wanted to run these with Toyo Proxes ST II. Or maybe I should just say screw it and buy slicks for the strip. Swap out my wheels when I get there.

Long ago I installed a two inch leveling kit. I want to remove it ,but seemed to have misplaced the factory retaining rings with studs to mount the upper shock tower. I need to order new ones. Can anyone confirm that this is the right part number? They dont have the diagram numbered next to...

Just curious here. After seeing some vp trucks with top feed injectors. Has anyone done it with a p-pumped 24v? I tried searching and didnt find anything. Would it be worth it? Single feed injector only. Similar to the monster pump setup, but with a p-pump instead of the vp.

Zack, I read that you changed the LSA on this cam from 106.5 to 108 for more PTV clearance. We just purchased a 188/208 cam from one of your dealers and its the 188-208-106.5 cam. The engine is a 24v. Assuming the piston protrusion is no more than .020" and the valve face depth is a min of...

Aside from having "map sensor voltage too high" and "map sensor voltage too low" codes. This truck gets a dead pedal every now and then. No other codes come up though. The Vp and APPS are less than 2 years old and it has an Airdog fuel system on it. Truck is either an 01 or 02. Cant remember.

Sometimes after shifting into neutral. The trans acts like its some how locked between forward and reverse. The shifter is in neutral but when you let out on the clutch. It pulls the motor way down to the point of killing it. The truck however doesnt seem like it wants to roll forward or...

Did you keep your factory filter setup or get rid of it? My pump is regulated at 22psi, but I can pull it down to 15psi with my comp box off. Im wondering if there is a flow restriction through the stock filter housing. The filter is new and im using 1/2" line and fittings. I had this problem...

With the rear end jacked up off the ground. Holding one tire. I cant spin the other tire. Its locked like as if it would have a spool. Both tires spin together. Never noticed an issue with the inside tire barking going around a corner though. Also there is a thin steel ring right behind the ring...

Do the valve bridges have to go on a certain way? One hole is wider than the other and it has a dimple on the top side of it. This is on my 24v vp. Im putting the valve train back together and setting the valve lash. Also what the best way to make sure #6 is at TDC? I have searched and found...