392 Break-in programming

[Idaho392]

My dealer told me the 392 has it's own break-in period where the power is reduced for the first 2000-3000 miles. They claim their Jeep rep told them that after that there is a noticeable power increase. Has anyone experienced that?? Anyone done dyno testing or 0-60 times at new and after 3000+ miles??

 

[YukonCornelius]

 

[grim]

I am at 2300 miles so far and haven’t noticed any difference personally but I’ve not dyno’d my 392 either. However, if I magically get/feel more power at 3000 miles I would be a happy Jeeper.

 

[Yaak392]

I think someone is blowing smoke up your leg....
Nothing in the owner manual.