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Forum Index » 2014+ Ram 1500 (DS) EcoDiesel
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Joined: 15/05/2016 22:28:01
Messages: 4
Your tune is the first mod I want to apply to my recently acquired 2014 Ram EcoDiesel, but I've been reading about catastrophic failure in this motor due to slipping cam gears. I read the below phrase quoted on a different forum which made me want to check and see if you had any rebuttal to the claim that a tune would put the engine at greater risk.

I really like that your tune is focused on prioritizing longevity and efficiency over power (if I understand correctly?). Thank you for offering this.

"Hello these ecos have had a problem with the cam gears slipping we have come up with a way to lock them so that there is no way for them to slip with you having tuning on yours I would say you have a higher risk than a stock engine we are also in the process of building a remote oil cooler for these engine as they have been failing as well the cam fix is $1,933.30 with tax the remote cooler kits when available will be between $500-$600."

D&J Diesel Performance and Repair, LLC
7150 S 300 W #2
Midvale UT 84047

Joined: 05/06/2016 14:41:50
Messages: 1
I'll bite:

1) The slipping cam gear issue has happened on one vehicle and required a repair that took less than a day - meaning it did not cause any serious damage, if any. The design of the cam gear (e.g. without a key way) was pronounced to be a bad design on some of the Ram forums by those that do not have wide experience in diesel engines. A non-keyed cam gear is common design among modern diesels and tuning has not caused a difference in the slippage of this gear.

2) The output of the engine has very little impact on the stress of timing system. The greatest stresses on the timing system occur when the engine is accelerating and the camshaft is being pulled up to speed by the timing chain. If the engine is tuned then I guess the engine could accelerate quicker, but, there would be a very marginal difference.


The output of the engine WILL have an impact on the cooling system. If you have a tuned Ram & are pulling heavy loads often this will add stress to the already weak oil cooler. Unlike the cam gear issue, oil cooler failure is happening often enough to be considered common. If your oil cooler was going to fail anyway, tuning the truck will accelerate this process.

As for the oil cooler upgrade cost? If your truck is under warranty you should be able to get the oil cooler replaced. This is so widespread that I believe there will be a recall - and if you have an aftermarket system installed you can kiss your warranty and warranty repair goodbye. Recalls often extend warranty past the normal time frame, so even if you are a bit out of warranty I'd wait. However, if you are way out of warranty and tow/haul often, an upgraded oil cooler is a good idea regardless.

Joined: 10/07/2009 07:25:47
Messages: 374
Location: Southeast Michigan
The replay above is accurate. Best to leave the oil cooler alone during the warranty period and there is no cam gear slip issue in the field. GDE
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