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Model Forum / Radio Controlled / Land Models / May 2006



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Limited Slip in a Savage............wanna know how?

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nospam@noway.com - 15 May 2006 03:32 GMT
Ping..............Dre, where are ya' man?  I've solved our dilemma and have
installed a Limited Slip diff in the rear end of my Savage.  Here's how:

The Kyosho MP 7.5, Kanai 1, 2, 3 and MP777, SP1 and SP2 differentials are
IDENTICAL to the Savage diffs except for the ring gear and drive cups.  All
you have to do is change out the drive cups and ring gear and she'll drop
right in.  You'll have the weirdo-sized HPI bearing on the ring gear side of
the diff cup and then a 8x16 Kyosho bearing on the other side of the diff
cup.  Didn't even need any shimming for a decent gear mesh.

It's been raining ever since I installed it so I haven't had a chance to
fire her up yet!  Will let ya' know how it works out.  The Kanai III I
acquired awhile back came with 2 extra LSD's and 1 extra open diff so I just
got to thinking............and voila, it works.

Doc
Dre - 15 May 2006 04:09 GMT
> Ping..............Dre, where are ya' man?  I've solved our dilemma and
> have installed a Limited Slip diff in the rear end of my Savage.  Here's
[quoted text clipped - 13 lines]
>
> Doc

NICE!  Thats exactly what I was going to try, but I couldn't be bothered
pulling my Kanai apart :)

I did end up getting another savage diff for the exercise cause they are so
cheap, but never got around to getting a Kanai one.  But now that you can
confirmed it, GREAT cause that means we can fit TORSENS in there :)  BIG
GRIN!!

Thanks for the heads up, I'm gonna go look for a pair of nice Torsens to
suit a Kanai and whack em in!

Btw, stick the spare LSD in the back of the Kanai, I personally thought it
made mine handle better (in a steer with the throttle kind of way :)

Cheers Dre
nospam@noway.com - 15 May 2006 04:56 GMT
>> Ping..............Dre, where are ya' man?  I've solved our dilemma and
>> have installed a Limited Slip diff in the rear end of my Savage.  Here's
[quoted text clipped - 29 lines]
>
> Cheers Dre

If you already have a spare Savage diff, all you need is the Kyosho LSD diff
guts to pop in there!

I'm running LSD front and center, open diff with 5k rear.  Even with the 5k
I'm getting a nice on-power push, and I think that the LSD would just make
matters worse!  I'm probably going to slap some 1k in the rear and see how
that does.  The damn buggy absolutely screams.  I'm running a Sportwerks .26
with a THS 8015T pipe (low-mid torque pipe for tight tracks), middle-sized
carb insert, motorsaver air filter, 14T Ti clutchbell with Proline Badlands
tires on her (larger diameter).  The torquey pipe makes up for the large
clutchbell and tall tires and the top speed is out of this world.

I'm actually thinking of ditching the Savage and using the $$$ towards a new
Kyosho Truggy.  After driving my Kanai III and Mayhem ST, the ol' Sav is
just too slow and unmanouverable!  It's a pain to work on as
well...............don't get me wrong, I love it, but the Mayhem ST is
proving to be MORE durable than the Savage, handles better and is much, much
faster.  Now that I've slapped some 50k in the center diff I should be able
to tackle the really nasty terrain just as good as with the Savage.

Doc
Dre - 15 May 2006 06:01 GMT
>>> Ping..............Dre, where are ya' man?  I've solved our dilemma and
>>> have installed a Limited Slip diff in the rear end of my Savage.  Here's
[quoted text clipped - 54 lines]
>
> Doc

Yeah I bought the sav diff exactly for that purpose, just didn't get round
to getting the torsen.  But now I know it fits, I'm there!!

I've got a set of badlands as well, but I normally run a set of knuckles on
it, the badlands are bloody insane re traction eh??

Cheers Dre
nospam@noway.com - 15 May 2006 06:32 GMT
> Yeah I bought the sav diff exactly for that purpose, just didn't get round
> to getting the torsen.  But now I know it fits, I'm there!!
[quoted text clipped - 3 lines]
>
> Cheers Dre

I run Knuckles 2.0 XTR's on most dirt, gravel and asphault surfaces and the
Badlands on really loose, dry dirt and grass.  You're right, the Badlands
are absolutely nuts for traction.  The Knuckles have alot of problems on
grass and loose, dry dirt IME but the badlands solved that problem.  I'm
used to powersliding around corners with the knuckles but with the badlands
I had to change my driving style as any attempt to powerslide results in
flippage.  The turning radius with a Kanai buggy equipped with badlands is
insane!  It's almost like it just rotates on a center axis it turns so
tight!  Kanai III + badlands = point and shoot weapon!

My favorites are Panther Komodos but they wear so damn fast they're hardly
worth buying.  I went thru a set of Komodos in 5 tanks of driving around my
property (grass, dirt and concrete).  At $30 a set that's not what I call
cost efficient!

I'm going to try a set of wide-offset MT tires on the buggy as soon as it
stops raining (supposed to rain for another week; it rained all last week as
well) and bump the clutchbell down to 12T just for sh.ts.

Doc
nospam@noway.com - 15 May 2006 06:35 GMT
> Yeah I bought the sav diff exactly for that purpose, just didn't get round
> to getting the torsen.  But now I know it fits, I'm there!!
[quoted text clipped - 3 lines]
>
> Cheers Dre

BTW, how does a Torsen differ functionally from a LSD?  I've never used one
or known anyone who has used one so I really have no idea how they work.
Have you seen the Fioroni Torsen center diff for the Kanai's!?  They look
amazing!  At $199 a pop they'd better perform well!

Have I sent you pics of my buggy?  She is 100% hopped up with Fioroni,
Hardcore racing and Team Kyosho option parts.  Everything is carbon fiber,
titanium or 7075 CNC machined aluminum.  And to think, I traded a MLST and
$100 for it!  Bwahahahahahha!

Doc
Dre - 15 May 2006 07:01 GMT
>> Yeah I bought the sav diff exactly for that purpose, just didn't get
>> round to getting the torsen.  But now I know it fits, I'm there!!
[quoted text clipped - 15 lines]
>
> Doc

They may be expensive, but they do what they do well, and thats the exxy
bit, they are full of worm gears.

I'm not even going to attempt to try and explain how a torsen works, I'd
just confuse the sh.t out of you (cause of my crappy explainations :)

www.howstuffworks.com?  There is plenty of info on the net, but they use
worm gears and they are PROPER lsd's, none of this clutch sh.t!

Haven't seen your Kanai no, but for that price it sounds like an absolute
BARGAIN!

Cheers Dre
QUAKEnSHAKE - 17 May 2006 20:59 GMT
Ive had a torsen diff in my quake for years. They work great.
They do basically what they are intended to to limit wheelspin to the
side or set of tires they are controlling. If one wheel loses traction
the gears react to stop freewheeling and send power to the tire with
bite. You still get free diff action off-power so it is different than
using very thick oil.
 
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