RE: the hyper st PRO thread!  
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RE: the ... - 6/12/2008 9:30:56 PM   
darksoul242001


 

Posts: 39
Joined: 8/1/2006
From: , CA, USA
Status: offline
quote:

ORIGINAL: liu

If never had my front or rear diffs leaking. The only diff that leaked on my hst was the center diff. But that was just because i didnt tighten it good..

Where does it leak at the diff? screwholes?

I can see it leaking at the crown gear. Nothing is broken. It almost seems like the seal is not sealing the diff cup and crown gear. That is why I ordered a whole new diff.


_____________________________

Hyper ST Pro / Picco P3 .28
Jammin Crt .5 / Picco .12 7-port

(in reply to liu)
       Post #: 1226

RE: the ... - 6/12/2008 9:45:49 PM   
spikeitaudi



Posts: 543
Joined: 7/5/2006
From: Morristown, NJ, USA
Status: offline
quote:

ORIGINAL: darksoul242001

Anyone having problems with the diffs leaking? I've had nothing but bad luck with the rear diff. I've tried filling it up to a certain point where the gears are barely covered. I have checked the o-rings and diff cup seal and I still get the same results. My front or center do not leak but the rear does. I'm currently running 7k/10k/3k. Is there any other way to seal the diffs? I have lubricated the seals as well and have sealed the grub screw.



Yup. I used the Kyosho Diff Gasket and relubed and haven't had an issue since. The rubber o-ring between the crown gear and diff case is useless.

_____________________________

Hyper ST PRO w/OS 21VZ-B V-Spec, Traxxas Revo 3.3 w/ OS 18TM, Team Losi Micro-T, Traxxas Slash
MARBETH Nitro Sports

(in reply to darksoul242001)
       Post #: 1227

RE: the hyper st... - 6/12/2008 9:53:59 PM   
spikeitaudi



Posts: 543
Joined: 7/5/2006
From: Morristown, NJ, USA
Status: offline
quote:

ORIGINAL: spikeitaudi

Finally got around to taking out my front and rear diffs due to them leaking. And boy did they leak. Both Empty. That red rubber band that seals the front and rear diff to the main gear is a joke. When taking it apart I compared it to my brother-in-laws Kyosho Inferno Buggy and guess what. The Front and rear diffs are identical down to every part. The thing about the Kyosho Inferno buggy diff is it also has a gasket inbetween the diff cup and the main gear. So I order it and it was a perfect fit. Cleaned out the diffs relubed put them back together plus the new gasket. So for anybody looking to fix the leak with the front and rear diffs here is the part I used.

http://www.amainhobbies.com/product_info.php/products_id/4144

While we were at it my brother-in-law also fabricated some new gas tank posts as the stock ones just don't cut it. We made them alittle thicker and used small rubber orings to dampen the tank from vibration. Works like a charm.

Here are some pics of the new mounts.

After all the new mods went out for a test run and the mounts and new gaskets worked like a charm. Kudos to Jerzferno for making the new mounts.


Here was my orginal post Dark. It has the link to the gasket.

_____________________________

Hyper ST PRO w/OS 21VZ-B V-Spec, Traxxas Revo 3.3 w/ OS 18TM, Team Losi Micro-T, Traxxas Slash
MARBETH Nitro Sports

(in reply to spikeitaudi)
       Post #: 1228

RE: the hyper st... - 6/13/2008 1:03:10 AM   
darksoul242001


 

Posts: 39
Joined: 8/1/2006
From: , CA, USA
Status: offline
quote:

ORIGINAL: spikeitaudi


quote:

ORIGINAL: spikeitaudi

Finally got around to taking out my front and rear diffs due to them leaking. And boy did they leak. Both Empty. That red rubber band that seals the front and rear diff to the main gear is a joke. When taking it apart I compared it to my brother-in-laws Kyosho Inferno Buggy and guess what. The Front and rear diffs are identical down to every part. The thing about the Kyosho Inferno buggy diff is it also has a gasket inbetween the diff cup and the main gear. So I order it and it was a perfect fit. Cleaned out the diffs relubed put them back together plus the new gasket. So for anybody looking to fix the leak with the front and rear diffs here is the part I used.

http://www.amainhobbies.com/product_info.php/products_id/4144

While we were at it my brother-in-law also fabricated some new gas tank posts as the stock ones just don't cut it. We made them alittle thicker and used small rubber orings to dampen the tank from vibration. Works like a charm.

Here are some pics of the new mounts.

After all the new mods went out for a test run and the mounts and new gaskets worked like a charm. Kudos to Jerzferno for making the new mounts.


Here was my orginal post Dark. It has the link to the gasket.

Hey thanks for the information I knew I had read about it before somewhere around here. I did order those gaskets. I had even tried the mugen ones because my LHS recommended them but they dont seem to seal right either. Are you still using the diff cup rubber ring or did you take that out and simply use the kyosho gaskets?


_____________________________

Hyper ST Pro / Picco P3 .28
Jammin Crt .5 / Picco .12 7-port

(in reply to spikeitaudi)
       Post #: 1229

RE: the... - 6/13/2008 1:34:09 AM   
spikeitaudi



Posts: 543
Joined: 7/5/2006
From: Morristown, NJ, USA
Status: offline 		I am using the rubber ring and the gasket together. No shimming. Just added the gasket and it's tight as can be with no leaks. I was leaking like crazy without the gasket.

_____________________________

Hyper ST PRO w/OS 21VZ-B V-Spec, Traxxas Revo 3.3 w/ OS 18TM, Team Losi Micro-T, Traxxas Slash
MARBETH Nitro Sports

(in reply to darksoul242001)
       Post #: 1230

RE: the... - 6/13/2008 9:06:44 AM   
droidswarm


 

Posts: 228
Joined: 6/24/2007
From: Chinnor, UNITED KINGDOM
Status: offline 		I had problems with leaky diffs too, like spikeit I used an extra gasket, but I used an XRay one (Scan back a few pages to find the part no). I also ended up putting PTFE tape on the screws - Since then not a drop has leaked.

_____________________________

Following an accident involving 2 bottles of red wine and the internet I now own an HPI Firestorm!

(in reply to spikeitaudi)
       Post #: 1231

RE: the h... - 6/13/2008 9:18:31 AM   
McGivor


 

Posts: 36
Joined: 5/12/2008
From: adelaide, , AUSTRALIA
Status: offline 		can some1 please tell me where the best place to get a new piston and sleeve for the LRP spec 3 from?
cheers people

(in reply to jaywax)
       Post #: 1232

RE: the... - 6/13/2008 1:47:52 PM   
spikeitaudi



Posts: 543
Joined: 7/5/2006
From: Morristown, NJ, USA
Status: offline 		You might want to create a new thread and ask that question instead of the Hyper ST pro Thread. Might get more hits.

_____________________________

Hyper ST PRO w/OS 21VZ-B V-Spec, Traxxas Revo 3.3 w/ OS 18TM, Team Losi Micro-T, Traxxas Slash
MARBETH Nitro Sports

(in reply to McGivor)
       Post #: 1233

RE: the ... - 6/14/2008 2:58:55 AM   
eirk66



Posts: 283
Joined: 4/25/2005
From: Newbury park, CA, USA
Status: offline 		.

< Message edited by eirk66 -- 6/14/2008 3:00:01 AM >

(in reply to busta774)
       Post #: 1234

RE: the ... - 6/14/2008 6:33:07 PM   
laynlow


 

Posts: 6
Joined: 11/8/2007
From: selkirk, MB, CANADA
Status: offline 		here is my mugen tank mod in progress just need to cut the carbon for the splash shield...







(in reply to eirk66)
       Post #: 1235

RE: the... - 6/15/2008 4:05:48 PM   
Speed-Limit



Posts: 68
Joined: 5/10/2008
From: Manson, IA, USA
Status: online 		laynlow, dude that body is sweet

_____________________________

Hyper ST
Life moves pretty fast. If you dont stop and look around once and a while, you could miss it.

(in reply to laynlow)
       Post #: 1236

RE: the... - 6/15/2008 4:20:12 PM   
laynlow


 

Posts: 6
Joined: 11/8/2007
From: selkirk, MB, CANADA
Status: offline 		thanks man i painted the body for my savage to match as well ..

And here is my other body for my hyper

(in reply to Speed-Limit)
       Post #: 1237

RE: the... - 6/15/2008 4:36:18 PM   
Speed-Limit



Posts: 68
Joined: 5/10/2008
From: Manson, IA, USA
Status: online 		that chrome/green one is cool to, but i really like the one with orange, it just adds an extra, BOOM to it! who painted it?

_____________________________

Hyper ST
Life moves pretty fast. If you dont stop and look around once and a while, you could miss it.

(in reply to laynlow)
       Post #: 1238

RE: the... - 6/16/2008 3:27:20 AM   
j_blaze



Posts: 1424
Joined: 1/4/2007
From: Tampa, FL, USA
Status: offline 		i found some super cheep hyper st pro parts on ebay, seems like a chop house. i've been buying from him since he had hyper 7 parts, then hyper 8.5 parts and now hyper st parts. i found a whole diff for $14, crown gear and all! the body was like $27 too, not bad. fast ship too, got to fl in 3 days. here's the link, plcman1 is the seller.

http://search.ebay.com/search/search.dll?sofocus=bs&sbrftog=1&from=R10&satitle=hyper&sacat=-1%26catref%3DC6&sadis=200&fpos=33624&sabfmts=1&saobfmts=insif&ftrt=1&ftrv=1&saprclo=&saprchi=&seller=1&sass=plcman1&fsop=1%26fsoo%3D1&coaction=compare&copagenum=1&coentrypage=search&fgtp=



_____________________________

Hyper ST PRO - RB WS7III/RB S5 L2G, JR, DX3R
Cen Matrix PBS - RB S3II/STS D21B (JBModz), Ace

(in reply to Speed-Limit)
       Post #: 1239

RE: the... - 6/16/2008 3:32:43