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kartbro
 Post subject: S rods vs. Non-S rods
PostPosted: Fri Jun 30, 2006 3:03 pm 
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Hey guys, can someone tell me if non-s rods are going to be strong enough in my stroker build? Lookin at 120hp maximum. Do i really need to source the S rods, or can i get the others balanced and lightened etc?

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2002 TopKart Viper with Blueprinted Yamaha KT100S @ 17hp. 160kg.
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kartbro
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PostPosted: Fri Jun 30, 2006 3:26 pm 
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Oh never mind, AEG177 are infact MK.I S rods. Anyone got a spare?! Will swap for AEG521... See post in wanted... which is exactly the same. :P

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drmini in aust
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PostPosted: Fri Jun 30, 2006 8:35 pm 
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Just check they are all the same weight if you have to mix them. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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TheMiniMan
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PostPosted: Sat Jul 01, 2006 11:57 am 
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Kartbro,,,if you have a set of 521s then use them, they`re stronger than the 177s

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.
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Smiffy
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PostPosted: Sat Jul 01, 2006 10:37 pm 
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Location: east yorks, england
Isn't there a problem with 521's and the camshaft in a stroked motor. Which is why 177's are needed.
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drmini in aust
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PostPosted: Sun Jul 02, 2006 8:56 am 
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Most strokers here in Oz I've seen were done using 521s- are you sure it's not the 8 port Arden head (with its funny cam lobe assignments) that causes the prob when stroked? maybe.... :?

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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TheMiniMan
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PostPosted: Sun Jul 02, 2006 7:24 pm 
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Smiffy,,,i`ve been doin strokers for over 20 years,,,allways use 521s

my 1510cc stroker donk has crank offset ground to .080thou undersize & has 521 rods, that`s quite a big stroke --->(but that`s just what all the girls tell me :-) )

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.
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marcsvenson
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PostPosted: Sun Jul 02, 2006 7:27 pm 
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yeah yeah :roll: :P
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marcsvenson
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PostPosted: Sun Jul 02, 2006 7:39 pm 
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:P refers to the stroker donks that he builds which are quick

and :roll: to the girls comment :lol:
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Zizzle
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PostPosted: Sun Jul 02, 2006 8:10 pm 
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TheMiniMan wrote:
.080thou undersize & has 521 rods, that`s quite a big stroke --->(but that`s just what all the girls tell me :-) )


You measure your stroke in thousanths of an inch? Strange girls is all I can say :twisted:

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Smiffy
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PostPosted: Sun Jul 02, 2006 8:57 pm 
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Come on guys it was a question, one which im quite pleased about your answers, as I do have a set of 521's in storage for a rainy day.
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TheMiniMan
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PostPosted: Wed Jul 05, 2006 10:55 pm 
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Now zizzle,,,you`ve gone & rained all over my parade :-)

yeah, use the 521s Smiffy, no problemo.

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No offence intended here but--> anyone writing a book about minis 30 years ago may not have experienced such worn or stuffed-with components as we are finding these days.

You should put your heart & soul into everything you do.
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