Lightweight Stock Sized Crank Pulley

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Old 05-27-2012, 12:46 AM
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Originally Posted by SAHAU
I had the UR underdrive pulley and now i run the stock oem pulley. Reason was, it was more responsive with it but i lost a tonne of torque which i prefered. Maybe the lightweight oem size pulley is a better option. i need to try it out.
Sounds like the lightweight pulley is exactaly what you need!
Old 05-27-2012, 07:54 AM
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You did not lose torque because of a lightweight pulley, no matter the size.

Just installed this on Friday...LOVE LOVE LOVE it, the OP's response to it is dead on...that's exactly how I feel. Lighter on it's feet from a stop, and less drag on engine when you let go of the gas. Downshifting is real treat now, too.
Old 05-27-2012, 12:49 PM
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Originally Posted by rockstar143
You did not lose torque because of a lightweight pulley, no matter the size.

Just installed this on Friday...LOVE LOVE LOVE it, the OP's response to it is dead on...that's exactly how I feel. Lighter on it's feet from a stop, and less drag on engine when you let go of the gas. Downshifting is real treat now, too.
Can't wait! Sounds like this is going to be as good as or better than having the Jpipe!
Old 09-01-2012, 02:01 PM
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Well, it was time to replace that timing belt, so onto the car went the Ralco OEM Diameter Pulley, too. My RL is now a snarling beast, laying rubber up through third gear...

Okay, so it's slightly more perky on rolling acceleration. That's noticeable.
Old 12-28-2015, 12:19 AM
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Need to do this next , previous owner replaced the timing belt 12k miles ago so ill reuse existing belt

135 for UR is cheapest ive seen which im happy paying
Old 02-28-2016, 08:41 AM
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Bought myself the UR stock pulley on eBay for 119 shipped, I had this pulley on my 08 6mt accord v6 and it was a dramatic difference so I look forward to having it again

Here's the link if anyone's interested

https://www.ebay.com/ulk/itm/141428923703
Old 02-28-2016, 09:24 AM
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Originally Posted by MayorMcCheese
Bought myself the UR stock pulley on eBay for 119 shipped, I had this pulley on my 08 6mt accord v6 and it was a dramatic difference so I look forward to having it again

Here's the link if anyone's interested

https://www.ebay.com/ulk/itm/141428923703
That's not a crank pulley...
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Old 02-28-2016, 09:47 AM
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Isnt that the stock size pulley?
Old 02-28-2016, 10:36 AM
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Originally Posted by MayorMcCheese
Isnt that the stock size pulley?
Just realized its not a crank pulley.. I have had this tensioner pulley in my eBay watch list for months I never realized, looks like ill be looking for a crank pulley instead for cheap
Old 02-28-2016, 12:35 PM
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Old 02-28-2016, 12:43 PM
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Hmmm...bet this would be nice paired with my lightweight flywheel!
Old 02-28-2016, 01:09 PM
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The seller on eBay quickly cancelled the order so I bought a Ralco Crank Stock Pulley for 125 shipped it was listed for 140 or best offer.
Old 02-28-2016, 01:40 PM
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Oof, read up on those, I heard someone installed that and the valves all bent.
Old 02-28-2016, 01:40 PM
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///
Old 02-28-2016, 01:46 PM
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Originally Posted by rockstar143
Oof, read up on those, I heard someone installed that and the valves all bent.
Huh? I just bought the same based on feedback on this site.
Old 02-28-2016, 03:25 PM
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I'm kidding...
just a lot of BS information about how it'll damage the engine.
Old 02-28-2016, 04:50 PM
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Originally Posted by rockstar143
I'm kidding...
just a lot of BS information about how it'll damage the engine.
Ok cool. I noticed pics of yours installed and looks different than my Ralco mine does not have the smaller diameter holes drilled.
Old 02-29-2016, 07:19 AM
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I think those were just for weight savings.
Old 02-29-2016, 08:56 AM
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Wonder what the weight of the stock tensioner pulley is...?
Old 02-29-2016, 08:58 AM
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Probably the bracket that weighs the most...
Old 02-29-2016, 09:22 AM
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That's what I was thinking
Old 02-29-2016, 12:43 PM
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Originally Posted by rockstar143
I think those were just for weight savings.
Thanks, so yours is the Ralco as well?
Old 02-29-2016, 12:56 PM
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Hmmm...Unorthodox!
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Old 03-03-2016, 07:18 AM
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Guys, is it really worth it? How about ride comfort? Genuine one dampens vibrations so that's there for a reason I suppose. Long term vibrations aren't good, are they? On the other hand, I'm doing timing belt this year and considering lightweight one...
Old 03-03-2016, 08:04 AM
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I haven't heard any claims of increased vibrations. The stock one is prone to rubber disintegration, so this can even be seen as preventative maintenance.
Old 03-03-2016, 02:36 PM
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Supposedly it's internally balanced...
Mine may be for sale soon...just FYI.
Old 03-03-2016, 03:48 PM
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Do all J35 share the same diameter?
Old 03-03-2016, 06:42 PM
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So I installed this yesterday my mechanic did it for me and im around the block for him so I barely got to drive the car.

Today in the morning I didnt really notice much it felt lighter but I figured let the computer or whatever notice the lightness of the pulley.. So going home today I beat the shit out of my RL and off the line .. this car is so much lighter on its feet it takes off much better it redlines quick too, it feels faster although with a blindfold I dont think youd notice it .. on the highway when your behind that slow car that merges onto a highway doing 25mph the car is no question improved in performance.

I cant wait to match this with a Jpipe. Didnt I read on here that the 4G TL AWD Jpipe fits our RL? I need to keep my eye in the black market for one
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Old 03-03-2016, 07:23 PM
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Old 03-03-2016, 07:24 PM
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spy, not too sure, man...but I'd guess, yes.
Old 03-03-2016, 11:06 PM
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The 4G SH-AWD TL j-pipe is not a direct fit. They are VERY similar to the point that RV6 modifies some for the RL when they make a batch of the TL ones.
Old 03-04-2016, 06:01 AM
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Sorry, I assumed you meant 3.5 to 3.2 3G only.
Old 03-04-2016, 09:06 AM
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Go home, J, you're drunk.

I was responding to the Mayor.
Old 03-04-2016, 09:59 AM
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don't tell my boss!
Old 02-20-2017, 12:23 PM
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Originally Posted by EL19
Great mod! The car is much quicker on its feet and does not feel so heavy when giving it gas. Whether its flooring it or just babying the car, it moves without as much effort as before.
Do you think this shaved in time off the cars 0-60? I have an 05 RL and I'm looking to do this same mod
Old 02-20-2017, 05:07 PM
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It helps the car move easier but I doubt it shaves much off 0-60 times. The RL is a heavy bitch, gonna need a lot more mods/weight loss to actually notice respectable gains
Old 02-22-2017, 07:59 AM
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Awesome picture rockstar143, glad you like it!

A OEM crank pulley weighs around 7-8lbs, while the XL8 crank pulley weighs around a pound, so the weight savings are pretty decent! All pulleys are CNC machined, and 0 gram balanced to ensure the best fit and performance, additionally they carry a full warranty from Unorthodox Racing.

We're currently looking to make some accessory pulleys to match your underdrive/fullsize aluminum crank pulleys! You can see all the info here: https://acurazine.com/forums/exceler...pulley-955059/

PM me with any questions or to get your name on the pre-order sheet for the new pulleys!
Old 02-22-2017, 09:47 AM
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Just wondering what folks did to get the crank bolt loose... has anyone tired the bump start method-dangerous, I would think?

//apologizes for changing the subject of the thread slightly//
Old 02-22-2017, 09:50 AM
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Originally Posted by deepdezal
Just wondering what folks did to get the crank bolt loose... has anyone tired the bump start method-dangerous, I would think?

//apologizes for changing the subject of the thread slightly//
Amazon Amazon

and a good solid electric or air impact
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Old 02-22-2017, 12:23 PM
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cool and thanks!


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