3000 RPM Sustained on a 4.0L?

[Freeride]

I guess I was only concerned cause it's loud as hell at those rpms. :redneck:

 

[GaryTJ]

Yes, it can do it.

But... It will cause faster wear to the bottom end. You can accelerate and decelerate all day and be fine but when you hold a "no load" speed (steady cruising) you are unloading the bearings and pistons and allowing them to move more causing excess wear.

4.0's are known for a soft crankshaft and for piston slap already. This will increase the wear.

Short time driving, i would say go for it. Everyday driving, i would drop the rpm's somehow.

Just a professional opinion. ymmv.

 

[Freeride]

Yes, it can do it.

But... It will cause faster wear to the bottom end. You can accelerate and decelerate all day and be fine but when you hold a "no load" speed (steady cruising) you are unloading the bearings and pistons and allowing them to move more causing excess wear.

4.0's are known for a soft crankshaft and for piston slap already. This will increase the wear.

Short time driving, i would say go for it. Everyday driving, i would drop the rpm's somehow.

Just a professional opinion. ymmv.

My daily commute is 2.8 miles of residential roads with 1 stop light, so I'm not too worried about that.

I am planning on bombing down the freeway from time to time going 60ish for a few hours driving east of the mountains, up to Walker, etc. Maybe even down to the Con, or Moab.

I'm going to go for it.