One way bearing ELIMINATOR/ALTERNATIVE for the F4.1-4.6 (FS)

Questions about Hop Ups for the Savage.

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5AVAG3
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One way bearing ELIMINATOR/ALTERNATIVE for the F4.1-4.6 (FS)

Post by 5AVAG3 » Fri May 22, 2009 8:52 am

I purchased this item off the bay about 1 year ago as recommended by a member......but I haven't had the chance to install it.

Since I have my engine out for a major truck clean up, I was thinking of installing this mechanism inside my very reliable engine, because sometimes the one way slips a lot....... but I had second thoughts as I studied at how it will actually function.

I just don't know if this mechanism will hold up at 30,000 r.p.m.........Has anyone here ever installed this alternative for a one way bearing for a K4.6 and tell me how it went.

I just cannot see how the little shaft can push in and out of the big end bearing at approximately 30,000 rpm without shaving that flat crank face plate. ?:?

Would this create a lot of friction, stress and more heat?

?A little bit SUSS about this whole kit.

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I need opinions before I reseal and put my engine back together again please.

Advanced thanks.
Last edited by 5AVAG3 on Sat May 23, 2009 4:09 am, edited 1 time in total.
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Post by toysoldier » Fri May 22, 2009 3:06 pm

That looks the same as the setup in my f4.6? Same small pin with spring and same shaped plate with that slot in it. Ive had no problems with my f4.6 slipping or anything. I might be wrong but it shouldn't be a prob

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Post by xtremesavage » Fri May 22, 2009 3:27 pm

that looks like the internals of the F4.6, I dont think tkat works for the K4.6, the F has an internal owb, (well the pin & spring act as a owb) thats why you can use the nut & set screw to replace the actual OWB, but it wont work on the K4.6.
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Post by Mr.Snuggles » Fri May 22, 2009 3:41 pm

yes this is the f 4.6 or f 4.1 and you dont need to worry about the plate wearing down as the centrifugal force will override the spring pressure to the pin and the pin will hold away from the plate as soon as you have enough rpm. this is a nice upgrade for the f series.
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Post by xtremesavage » Fri May 22, 2009 3:44 pm

yes it is a nice mod for the F, but he is try to put it on a K, which has the internal OWB, it will not work on the K.
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Post by toysoldier » Sat May 23, 2009 2:05 am

Yeah I agree I dont think it will work on the K I have got both mills and checked them I cant see that it will work on the K.

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Post by 5AVAG3 » Sat May 23, 2009 4:07 am

I'm sure, I told the guy I wanted it for the K-4.6. before I paid for it.

Checking the HPI instruction manuals for F4.1 and F4.6 this mechanism replaces part number:1430,1432 and 1433

While the K-46 has a different system which is part number: 15233 and 15234.

So you guys are correct.

Lucky I asked you guys first, instead of trying to force fit it in the K-4.6.......Thanx FELLAS  :)

Although I have a F-4.1 in my kawasaki S25 display model, I will never fire it up...and I'd like to keep that classic S25  fully original.


SOOOOO.....anybody want to buy an unused one bearing ELIMINATOR for F 4.1-4.6

$20.00 or I'll beat the cheapest price..... plus shipping, PM me.
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Post by xtremesavage » Sat May 23, 2009 10:13 am

actually, the only thing you need to do this mod to the F is the little nut that screws on to the shaft, everything else is already there.
here is a video of this mod

5avag3 someone ripped you off.
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Post by rocoho » Wed Feb 09, 2011 7:08 am

Prompt where to buy the given updating?
Number or the name if it is possible.
Thanks!

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Post by thatdude596 » Wed Feb 09, 2011 8:38 am

[quote="xtremesavage";p="713016"]actually, the only thing you need to do this mod to the F is the little nut that screws on to the shaft, everything else is already there.
here is a video of this mod

5avag3 someone ripped you off.[/quote]


still have to grind the shaft which maybe some may not feel comfortable doing. i think with the kit the shaft is already to go. its just plug n play.

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Post by badboy » Wed Feb 09, 2011 8:23 pm

I have thought about this mod but have a question.  I would like to know if this mod would lower performance or add wear and tear on the engine.  With a OWB the shaft spins freely once the engine starts.  With this mod the OWB is constantly attatched to the shaft.  I have wondered if this would lower rpms or add stress to the engine.  What do you think?
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Post by badboy » Wed Feb 09, 2011 8:23 pm

I have thought about this mod but have a question.  I would like to know if this mod would lower performance or add wear and tear on the engine.  With a OWB the shaft spins freely once the engine starts.  With this mod the OWB is constantly attatched to the shaft.  I have wondered if this would lower rpms or add stress to the engine.  What do you think?
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Post by thatdude596 » Wed Feb 09, 2011 10:47 pm

should be no problem at all

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Post by xtremesavage » Thu Feb 10, 2011 1:33 am

The fixed OWB (nut) doesnt continue to spin once the engine is started, The shaft its mounted to isnt connected straight to the crank, There is a spring loaded pin in between, that acts like a OWB. the pin is under load only on start up, just as if the OWB was funtional. Nothing changes.

i've done this mod,, My engine ran like always before, but now it start's easily. I would mod every engine this way if it was possible.
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Post by thatdude596 » Thu Feb 10, 2011 8:49 am

wheres a link the the kit without searching all over the net

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Post by xtremesavage » Thu Feb 10, 2011 10:41 am

This kit 5avag3 posted is the only one Ive ever seen, IDK where to find one. modding it yourself is pretty easy.
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Post by thatdude596 » Thu Feb 10, 2011 11:31 am

i dont have a grinder, and to me its not worth my time. id rather drop 20 and install n call it a day. i will pm him.

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Post by bigbluesavage » Mon Mar 14, 2011 5:26 pm

does anyone know the exact size of the nut needed for this mod? thanx, GENO T.

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Post by xtremesavage » Mon Mar 14, 2011 11:10 pm

12mm outside,
6mm inside,
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Post by 5AVAG3 » Tue Mar 15, 2011 4:20 am

I looked around for it man...Sorry I cannot find it anymore. I got so much RC crap in the garage, I don't know where I put it.

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