FAQ
ANSWERS TO MOST RECEIVED QUESTIONS
PRODUCT RELATED QUESTIONS
Do I really need TCM tuning?
It’s not absolutely necessary but it is highly recommended for proper shifting & taking into account the final drive ratio.
Our TCM tune addresses shift points, torque management and wide open throttle (WOT) RPM limits imposed by the TCM. The stock TCM tuning WOT shift point is at 3250 RPM because the stock power curve falls off before then.
The power band in the 4th-5th setting of our DSP-5 tune continues past that; By raising the part throttle and WOT shift points to accommodate the increase power band curve, it not only improves the ability to handle the power, protects the transmission and prevents slipping, but also increases the performance of the vehicle because it revs out higher and will improve the acceleration.
We also suggest the TransGo JR shift kit if you are running an Allison 6.
Can I have my own tuner do my tuning? Will you leave the tunes unlocked?
We can only guarantee our system with our tuning. We have over 15 years experience with custom tuning Duramax diesels. We also have the most experience in the industry tuning Duramax drivetrains in swap vehicles. Tuning a late model GM truck that came with a Duramax from the factory can be much simpler than making it work correctly in a custom vehicle.
You can check out our parent company Pela Motorsports. Not only do we build our custom tunes in house but we also build race engines and complete custom vehicles. For this same reason, we don’t leave tune files unlocked to prevent resale of our proprietary software and eliminate being associated with 3rd parties modifications that lead to issues.
Additionally, we provide free tuning updates to all of our customers that buy their upgrade components from us.
How long does it take to convert my harness?
Do you have a standalone harness solution for LM2 or LZ0, 3.0L Duramax?
Will we buy your ECMs, TCMs, and/or Chassis Harness?
Do you support LGH?
The LGH is a detuned version of the LML engine and was offered in two configurations:
- LGH/Allison (cab and chassis trucks and fleet vehicles) These very closely resemble the LML Truck configuration and we do support these drivetrains in conversions.
- LGH/6l90 (vans, cutaways, busses)
I'm swapping the OEM electronic transfer to a manual shift case; Will that be a problem with either the DSP-5 or the TCM?
The conversion to manual case is not an issue and as long as you are using the factory style t-case the low range ratio should be the same as stock. (Although we can alter that ratio if another style case is used. If you want it to work correctly you will have to be sure to wire in the 4wd low activation sensor/switch to the TCM so that it will know when the truck has been shifted to low range or else it will put the trans in limp mode.
Do you have a standalone harness for an Allison 1000?
We don’t sell anything that would support that. You can contact CA Conversions to inquire about running the Allison transmission standalone.
Do you offer a solution for swapping a Duramax engine into a different gen Duramax or Gas truck?
No. We advise all customers to sell what you have and buy the desired truck with the Duramax RPO you want. (IE putting an LMM into a truck that is not 2007.5-2010).
It can be done, with most parts from two complete trucks and communication is different between some of them so the gauges meant with the truck, won’t work. This is just one reason that we don’t recommend it.
Do you offer a plug and play solution for late model chevy (Avalanche, Suburban, 1500)?
We do not support Duramax integration into late model vehicles (’96 and newer). However if you are planning on using aftermarket gauges we can create a proper standalone harness and the correct module calibrations for your application. It will not run the OEM cluster in that truck.
If you are interested in our standalone harness you can follow our ordering guide, purchase your harness modification a well as the ECM and TCM tunes and we can certainly get it running and driving properly for you.
Can I use my factory gauges?
We do not support gauges, what we provide makes the engine run standalone. The factory gauges won’t work as they are. However all of this information and much more can be obtained through the OBD port with many available Can Bus gauge systems from companies like Dakota Digital and Speed Hut. We don’t sell them, what we offer is the CTS monitor, which can provide that information via OBD port.
ORDERS AND RETURNS
What is the order process?
We provide an introductory page to ordering with us; It explains our procedure, offers recommended items, quick link to the tune request form, and shipping information for your donor. Please review it for a better understanding of how to complete your order.
How do I place an Order?
Create and account, Log in and place your order. All projects are unique in their own way so someone from our company will be in touch with you typically within 24 hours to discuss your project and support your success.
Do I need an account to place an order?
We offer guest checkout but encourage our customers to register for our records and for easy of use on your next visit.
How Do I Track My Order?
How Can I Cancel Or Change My Order?
How Can I Return a Product?
What Payment Methods Are Accepted?
Are there additional payment options?
We will possibly accept checks and wire transfer. If you’d like to utilize these options, please contact us
SHIPPING INFORMATION
What Shipping Methods Are Available?
How quickly will you ship my order?
Shipping varies based on whether we are waiting for your part, have the request forms that may be necessary, have the item in stock, etc. We do our best to move on items/products that are available within 2 business days. We get excited about our orders, so we relate to how you are feeling. If you have any rush requests, please contact us
How Long Will It Take To Get My Package?
Please note any lead times mentioned in the description of each product. Tuning and harness requested will be put in the queue once the donors have been received.
Tracking numbers are provided once a label is created and will be emailed to you.