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View Full Version : To: All w/ ATI Super Damper on a sr20 (s14)

bc.
04-24-2013, 11:38 AM
My ATI Super Damper seems to have different pulley sizes than the stock crank damper/pulley. I don't know if this is normal or if I may have gotten the wrong one, (I got it thru FRsport).

I have had to buy a new power steering belt because of this and it looks like the water pump/alternator belt will not work either.

Now I am starting to get concerned about under-driving them because the crank pulleys are a bit smaller...

Has anyone else dealt with this problem?

Thanks,
bc
SaVAgES14
04-24-2013, 12:09 PM
What's the part number on the one you have?
bc.
04-24-2013, 12:10 PM
Good question, I will have to check when I get off work.
bc.
04-24-2013, 06:06 PM
number on the sticker is 692482
BoostinIX
04-25-2013, 04:43 AM
Right there on the FRSport page from this:

The Super Damper does not retain stock belt size. You will need to measure for the correct belt size.

ATI Performance Super Damper Harmonic Crank Pulley Nissan SR20 (http://www.frsport.com/ATI-Performance-Super-Damper-Harmonic-Crank-Pulley-Nissan-SR20_p_9366.html)
bc.
04-25-2013, 06:49 AM
Right there on the FRSport page from this:



ATI Performance Super Damper Harmonic Crank Pulley Nissan SR20 (http://www.frsport.com/ATI-Performance-Super-Damper-Harmonic-Crank-Pulley-Nissan-SR20_p_9366.html)

Haha, thanks, I think I remember that now :picardfp:
claaasssiiiccc21
08-19-2016, 03:16 PM
To update this for all to reference: S14 SR20DET w/ATI pulley (newer under-driven one)
PS: 3PK860 is ideal. 3PK855 will also work no problem and is more common (Gen 2 Prius PS belt)
AC: 4pk880 - same as stock
Water/Alt: 5PK920 is ideal. 5PK918 is more common and is tough to get on, 5pk925 works but with Quest alternator conversion mine was a hair off of the stock low pressure PS return line, so I went with a 5PK920.
brndck
08-19-2016, 03:29 PM
To update this for all to reference: S14 SR20DET w/ATI pulley (newer under-driven one)
PS: 3PK860 is ideal. 3PK855 will also work no problem and is more common (Gen 2 Prius PS belt)
AC: 4pk880 - same as stock
Water/Alt: 5PK920 is ideal. 5PK918 is more common and is tough to get on, 5pk925 works but with Quest alternator conversion mine was a hair off of the stock low pressure PS return line, so I went with a 5PK920.

holy shit i think this is the FIRST time i've ever seem someone bump a graveyard thread with information that was actually useful!!!

thank you claaasssiiiccc21, thank you :kiss:
STEEZxIT
08-19-2016, 03:41 PM
wow dude, good call!
claaasssiiiccc21
08-20-2016, 12:13 AM
No problem guys, I know a lot of guys have good info out there, just wish more people took the time to share it
tacotacotaco
08-20-2016, 09:51 AM
The kind of people zilvia needs again! +rep point
TheRealSy90
08-20-2016, 10:59 AM
So since I'm thinking about it. The ATI damper underdrives everything.
I have a Yashio Factory water pump pulley that also underdrives the water pump. Would combining these two be "too much" underdrive on the water pump? Or would it probably be fine or even more beneficial.


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Sr20-Vert
03-05-2018, 12:05 AM
Anyone know what works for s13 I got the s14 was not enough ribs
jedi03
03-05-2018, 08:52 AM
should be able to use the s14 one...under driving I have never seen one that is to much, my uncle uses a really slow electric pump on his mustang...cant turn more than 20rpm...but flows enough to keep things cool...check your temps after you run it and you will find out!
brndck
03-05-2018, 11:06 AM
To update this for all to reference: S14 SR20DET w/ATI pulley (newer under-driven one)
PS: 3PK860 is ideal. 3PK855 will also work no problem and is more common (Gen 2 Prius PS belt)
AC: 4pk880 - same as stock
Water/Alt: 5PK920 is ideal. 5PK918 is more common and is tough to get on, 5pk925 works but with Quest alternator conversion mine was a hair off of the stock low pressure PS return line, so I went with a 5PK920.

Anyone know what works for s13 I got the s14 was not enough ribs

The first number should be number of ribs. Second number is length. So if you have a 4pk880 and you need another rib, ask for 5pk880
mr.nismo.
03-09-2018, 12:50 PM
So since I'm thinking about it. The ATI damper underdrives everything.
I have a Yashio Factory water pump pulley that also underdrives the water pump. Would combining these two be "too much" underdrive on the water pump? Or would it probably be fine or even more beneficial.


Sent from my iPhone using TapatalkSince this thread is being bumped from the dead haha...

Did you ever get an answer to your question?

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brndck
03-09-2018, 05:57 PM
Since this thread is being bumped from the dead haha...

Did you ever get an answer to your question?

Sent from my SM-G955U using Tapatalk

I think the best method would be to try it.

There are tons of variables involved like where you live, what season it is, if your car is a daily or track only, if you have good ducting, etc.

If that setup allows you to reach operating temps, and keeps the car cool when flogged, then I'd say go with it. If it stays cold, switch back to an OEM size water pump pulley.
mr.nismo.
03-09-2018, 06:05 PM
I think the best method would be to try it.

There are tons of variables involved like where you live, what season it is, if your car is a daily or track only, if you have good ducting, etc.

If that setup allows you to reach operating temps, and keeps the car cool when flogged, then I'd say go with it. If it stays cold, switch back to an OEM size water pump pulley.My only worry would be being too underdriven at idle, and possibly lead to overheating

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