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It's been about a month since I did the install and the truck sound and attitude is starting to feel new. Sound is a lot dryer and deeper, plus getting better mileage. The dampener is larger and 2x as heavy, but the install was fairly straight forward. Here's what went into this project:

Gates 38285 Tensioner
Gates K081264HD Belt
Fluidampr Full Power Kit
with the Fluidampr #920301

I was getting a wobble on the stock dampener that was on the engine when I got it last year. Wasn't sure how bad it was but knew the wobble was causing some issues. I think I was also getting some odd timing problems with the tone wheel. The new fluidampr has an integrated tone wheel and I noticed the sound change was rather striking once I ran it on. Getting the bolts broke and tightened was a bit of a challenge, but I found this and it worked pretty fantastic:


My truck is manual, and I thought it'd turn till it stopped, but it didn't stop... Not sure if it's supposed to turn and turn multiple times before I hit the gear, but figured this was probably safer anyways so I went with it. The full power kit has a friction plate on the back, then the dampener and wants 125 ft/pounds, so I lubed it up with ARP grease and strapped it down really well, took a bit... but got it all to click.

Runs fantastic! Couldn't be happier :)

907989
 

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Initially I cold feel the difference in idle smoothness. Like everything it becomes the new norm in a few days. Mine restricts serpentine belt change outs but the new ones apparently have the clearance. I got no improvement in shift quality which has always been smooth already.
 

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The new style is still a pain to change belts. It's not as bad as the old style obviously, but will still have you saying 4 letter words, specially if you do a thicker belt.

Also, that gates belt is longer than stock. Just for someone else, better off buying the continental belt. Don't be surprised if you eventually find it slipping.
 

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you guys are aware of this right?


that was the first AL pulley on the front of my motor and got me hooked with the throttle response change. belt swaps are a breeze, plenty of room to clear the old style FD that I have.
 

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My problem is the fan clutch, not the pulley with the new style. There is tons of room between the pulley and the new style, the fan clutch on the other hand is right on top of the front edge.

I know you don't have that problem though lol.
 

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Discussion Starter #7
My problem is the fan clutch, not the pulley with the new style. There is tons of room between the pulley and the new style, the fan clutch on the other hand is right on top of the front edge.

I know you don't have that problem though lol.
I noticed that putting it on, it kinda overlaps the fan clutch. Just glad it’ll be 100k miles hopefully before I have to deal with it. Hopefully I’m a lot better at this stuff by then. Lol.
 

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you guys are aware of this right?


that was the first AL pulley on the front of my motor and got me hooked with the throttle response change. belt swaps are a breeze, plenty of room to clear the old style FD that I have.
So with the fan pulley, there was quicker throttle response?
 

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So with the fan pulley, there was quicker throttle response?
yes... saw it with the AL driveshaft, then the fan drive pulley (which is smaller in diameter which will drive the fan faster, how much I do not know since I have e-fans). After installing the fan drive pulley the change was noticeable immediately on the drive home which led me to getting the idler pulley, then the elect water pump (which failed after 14k miles) then just recently the power steering pump pulley (on a 2012 pump, nosympathy commented that the oem pulley that was available for that pump weighed nearly the same so the AL one appears to be just bling... "dont you judge me...")

Dropping power they way I have allows me to feel smaller changes in the performance... motors cranking out lots of power probably wont notice it (however, gator1 says he did when he went all electric up front on his rig, & I believe he has a higher hp motor).
 

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I think someone else said the OE pulley was heavier, it was just the dorman that was as light. So I probably went from a lighter pulley with my 08 pump to a heavier pulley with my 13 pump since it had the OE pulley preinstalled and I didn't think much of it at the time. One of these days I'll have to pull it apart and see.
 

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I think someone else said the OE pulley was heavier, it was just the dorman that was as light. So I probably went from a lighter pulley with my 08 pump to a heavier pulley with my 13 pump since it had the OE pulley preinstalled and I didn't think much of it at the time. One of these days I'll have to pull it apart and see.
I’m trying to find the Dorman pulley, no luck.
 

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here is a link, this i think would he the one... even though it says for an 07... it still is 8 rib with the right shaft size

 

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So this is lighter than the oem? Thanks for the info
Not sure, it is the Dorman pulley though. I might check with AutoZone to see if they can get it just so I can weigh it. Wont be in the near future though, still having truck -no start issues. That takes priority
 

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Only thing I can say, is it weighed less for me than the OE one apparently does, but mines also more than 3 years old. So no promises they didn't change something :D.
 
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