98 Single Rear Wheel 3500 7.4 Vortec. Will this correct my RPM gauge issue? Warmed up at idle the gauge is reading 1200RPM then put it into drive holding the brake and it’s reading about 1000RPM. I’m also trying to get more out of this engine without tearing into it so I was just hoping this fixed my gauge as well. Also I want to send you guys mine as core but I wanted to get yours first so I’m not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? ( Dalen Hale, 10/07/2019 )

The issue with your tachometer would only be fixed if there is an actual issue with your PCM. Is it actually running at that RPM or just showing that? Have you plugged an OBD2 reader into the truck to see what it is displaying for RPM? You can definitely hold on to your PCM, that is not an issue.

If I order a ecm reprogram will this fix my speedometer error too??

Engine in a 2001 flair 30 H
2000 chassie ( Don W, 09/05/2019 )

We can adjust for speedometer error. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. I list that this RV was originally equipped with a 4.63 rear gear ratio and a tire size of 225/70R19.5.

I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there.

Could I stop by and get my ecu reprogrammed and wait for it??

Thanks ( Ted Rich, 08/31/2019 )

Yes that would be fine, you would just need to call in to our service department and schedule a date :)

I have 2000 Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine? At this point the engine run well, with no code problems.
I pull a 5000# trailer most of the time, it really bogs down on hills. At what RPM is the ECM tuned for maximum performance. How do I pay for exchange? what is the turn around time?
Thank You.
Jim Carroll
541-325-3811 ( Jim Carroll, 08/14/2019 )

We have no issues with tuning a higher mileage engine as long as it is in good running condition. We include a data recorder with the ECM for your to record engine data and send to us to verify all engine systems are running efficiently. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. You can either pay $100 for the core and then be refunded when we receive back yours or you can send in your ECM for reprogram. Turn around time is 1-2 business days.

1999 Crew cab dually, 454 vortec, AUTOMATIC. Are there any gains to be had by programing and adding headers to my truck? This thing is weak as water. ( Steve, 07/31/2019 )

Yessir! The tuning alone will be the single biggest change you can make to improve power and throttle response. Short tube headers won't do anything for you but long tube headers would he beneficial.