Anyone ever heard of these? I saw a company called FluidAmpr is making them.

Here is the sales pitch: " Fluidampr now has a complete line of viscous harmonic dampers designed specifically for the performance diesel engines. We currently have Fluidamprs for the 5.9L Dodge Cummins, 6.6L Chevy Duramax, and 6.0L & 7.3L Ford Powerstroke. Fluidampr has dyno tested on both stock and performance tuned diesel pick-ups and have shown consistent increases in horsepower and torque. We have noticed up to 15 horsepower and 40 ft-lb. of torque improvement over stock dampers. When testing trucks with performance tuners and chips, we observed very dangerous harmonic vibrations from these engines because the stock rubber damper can not handle the added power which will lead to crankshaft failure. Along with the increase in horsepower and torque, Fluidampr reduces the harmonic vibration by up to 80% which will protect and extend engine life."

I haven't called for prices but I know the rubber on my stock dampener is deteriorating and the belt is skewed a bit in alignment.

Any input?

 

NHRA requires after market dampers in many faster classes and I have run them on my gassers however at the lower RPM of the diesel I never thought it would make a big difference? I have used their dampers and think they make a great product from my experiences with them. If I needed to replace the stocker I would look into it as it probably wouldnt be much more than a replacement from DC or Cummins? I have seen a stock damper come apart at 8500rpm on a 454 (externally balanced) and it pretty much cut the front of the car off.

 

What ratsun said !!!

Thats no sales, pitch, its the real deal. Fluidampr is a no joke company.

Put it this way: I run a stock Chevy 350 CAST crank in my NHRA superstock car and shift at 8,200 RPM and go through the lights at 8,500 RPM. I have hundreds of passes on the crank. Every winter I pull it out and check it for cracks, nothing.... They make a very good product and I am sure that they have tuned this particular damper for the RPM range that our diesels operate in.

I have also had extremely good luck with the ATI brand superdampers, but I dont know if they make one for our diesels.


KP

 

Great. Yet another toy to buy for my truck.

 

What about the HP/TQ gains? How would that be possible? Momentum from the fluid?

 

The way I understand it is the harmonics cost HP simmilar to the gains of static ballancing. In a sence your just unlocking power thats there so better balance = more power and way longer life

 

another thought.... the ISB and ISC are both same style balancer, and the larger Cummins engines all have fluid balancers and they turn less than 2100 rpm's

 

Cummins Marine 5.9 runs a fluid dampner.You could put it on your engine , its two pieces if I remember(dampner and a pully) should be the same stack up .

 

I went ahead and emailed them last night and here's the response I got.

Tyler, thanks for your interest in Fluidampr. Fluidampr controls the
harmful torsional vibrations in the crank shaft much better than the
stock rubber damper. A stock rubber damper is a tuned absorber and
works only on one order of torsional vibration while the Fluidampr will
control all three orders of vibration in the operating range. As a
results, your crank and bearings will last longer and the engine will
produce more horse power and torque. You possibly may get slightly
better fuel mileage.

The part number for your 2001 5.9 Dodge Cummins diesel is 960301.

Thanks,

 

The 370 marine engine uses the fluid style. We tried one about 4 years ago. The bolt up is not correct and it takes some tweaking to say the least to make it fit.

I say, buy the one they sell.

Anyone with a 12 or 24 V should run one if they rev past 3800 RPM. I have replaced several stockers on 24 Valves that run the Redline box and rev to 4000. The center seperates from the outer ring and if you are lucky, only makes some noise and vibration letting you know something is wrong. The unlucky ones fail in service.

Don~

 

Do you think it would be worth it for someone running stock rpms to invest in this?

 

$400 retail price!!

They have stock ones on Ebay for under $100 usually..

 

Are the 24 valve and the 12 valve ones different? ON their website it only lists ones for the 24 valve.

 

Actually, that is not that bad for list price.....some V8 applications for the Fluid Dampner are notably more than that. I have been told in the past that very damaging harmonic vibrations occur at 4200 rpm on our CTD's.....I think it is awesome that this company has stepped into the diesel high performance world.....when VERY reputable companies like this begin to offer performance products for our engines, it allows us to step up to the next level of performance that may not have been as easily acheivable if not for their participation........this is awesome!

 

I didn't think they were different - they appear to be indentical.