RE: New STS 5 port 28 truggy engine  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Truggy >> RE: New STS 5 port 28 truggy engine
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RE: New STS 5 port 28 truggy engine - 8/22/2007 8:53:38 PM   
redfox03


 

Posts: 1214
Joined: 11/24/2005
From: Milwaukee, WI, USA
Status: offline 		so, anyone tried the 5 port yet? read through the whole thread, and no one has the 5 port yet. somebody's gotta have it, i wanna hear how this engine is. is it as good as the other sts engines?

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Blue Magic Area 51 .28 motor
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       Post #: 76

RE: New STS 5 port 28 truggy engine - 8/22/2007 9:00:56 PM   
46u



Posts: 18187
Joined: 1/13/2005
From: Macon, GA, USA
Status: offline 		Thunderbirdjunkie on the forums here has one but do not think he has much run time on it yet.

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       Post #: 77

RE: New STS 5 port 28 truggy engine - 8/22/2007 9:03:50 PM   
redfox03


 

Posts: 1214
Joined: 11/24/2005
From: Milwaukee, WI, USA
Status: offline 		do you plan on getting one 46u? i plan on getting two engines for next season in my truggy, one being an RB. i was looking for a good 5 port motor, and i've been wanting to give the STS engines a try. you have a truggy 46u? i know you have the hyper 8.

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Blue Magic Area 51 .28 motor
The truth is out there.....

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       Post #: 78

RE: New STS 5 port 28 truggy engine - 8/22/2007 9:13:43 PM   
46u



Posts: 18187
Joined: 1/13/2005
From: Macon, GA, USA
Status: offline 		Sorry do not have a truggy right now but hope to get a Hyper ST sometime. Being the 5 port 28 is not legal for a buggy and does not have a pull starter having nothing to put it in. They are testing running a pull starter on one and if it comes out might get one for my race Savage. Right now I have 4 STS engines two D21B one 3 port 28 in my Savage and a D21T MKII which I am going to start 2008 session with in my buggy.

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       Post #: 79

RE: New STS 5 port 28 truggy engine - 8/22/2007 10:45:56 PM   
losi_ak


 

Posts: 23
Joined: 5/26/2007
From: Kenai, AK, USA
Status: offline 		well i measure the head shims and the 2 of them together came out to .040, according to the manuel thats good for 25% fuel, but I ran 20 and still got hot, will the carb off of a 21 sts work???

(in reply to 46u)
       Post #: 80

RE: New STS 5 port 28 truggy engine - 8/22/2007 10:57:02 PM   
46u



Posts: 18187
Joined: 1/13/2005
From: Macon, GA, USA
Status: offline
quote:

ORIGINAL: losi_ak

well i measure the head shims and the 2 of them together came out to .040, according to the manuel thats good for 25% fuel, but I ran 20 and still got hot, will the carb off of a 21 sts work???



All the carbs on the STS big blocks are the same just that the 21 size engines have a removable venture in them. Take it out and you should be fine. Do you have another big block STS engine? If so by all means try the other carb.

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       Post #: 81

RE: New STS 5 port 28 truggy engine - 8/23/2007 3:32:55 AM   
losi_ak


 

Posts: 23
Joined: 5/26/2007
From: Kenai, AK, USA
Status: offline 		One other thing I thought of is, what if the exhaust pipe I am using dosn't provide enough pressure to keep the fuel line at full pressure, right now I am using a jp 2 and i know sts recommends that you use their pipe. Is this a possibilty??? maybe the sts flow's better air to the carb.

(in reply to losi_ak)
       Post #: 82

RE: New STS 5 port 28 truggy engine - 8/23/2007 3:39:05 AM   
46u



Posts: 18187
Joined: 1/13/2005
From: Macon, GA, USA
Status: offline 		I would think if this was the problem you would see air bubbles in your fuel line and is way I asked you this question earlier. I am not running STS pipe with my 28. If you have another pipe you can all ways try it? What are you running the engine in?

Just about every brand motor recommends running there pipe if they make one no surprise.

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       Post #: 83

RE: New STS 5 port 28 truggy engine - 8/23/2007 4:07:18 AM   
ThunderbirdJunkie



Posts: 12061
Joined: 7/25/2004
From: Mason, OH, USA
Status: offline
quote:

ORIGINAL: redfox03

so, anyone tried the 5 port yet? read through the whole thread, and no one has the 5 port yet. somebody's gotta have it, i wanna hear how this engine is. is it as good as the other sts engines?


I'm breaking in a 5 port, I just converted it to a rotostart.

As for the temps in the .28 3 port, All I can say is leaky carb o-ring or another air leak. I haven't run a 3 port, but I've sealed up every STS engine I've run.

46u, when people use teflon tape, they usually use it around the threads. I run the green slime though.

and MiamisFinest...We ain't getting engines for free. I was an STS fan pre-Mark importing them.

This kinda reminds me of guys with modified cars, particularly a young guy I work with that has a hot rod Monte Carlo I work with...you put all this money into something you KNOW is gonna be high maintenance, then you piss and moan when it breaks but you spent way less than everybody else, and still outran them? come on.

OH, and another thing...my D28M 5 port has what appears to be a STEEL throttle pull. HUZZAH, praise be to the taiwanese guy that made that decision!

< Message edited by ThunderbirdJunkie -- 8/23/2007 4:35:18 AM >

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"Some people can mess up an anvil with a rubber hammer" -46u

(in reply to redfox03)
       Post #: 84

RE: New STS 5 port 28 truggy engine - 8/23/2007 7:24:11 AM   
losi_ak


 

Posts: 23
Joined: 5/26/2007
From: Kenai, AK, USA
Status: offline 		I have it in a Jammin X1-CRT truggy race roller, I am going to try the carb off of my 21 and see what happens, if the rain ever stops

(in reply to 46u)
       Post #: 85

RE: New STS 5 port 28 truggy engine - 8/23/2007 4:16:24 PM   
46u



Posts: 18187
Joined: 1/13/2005
From: Macon, GA, USA
Status: offline 		I wish we would get some rain, as it has been so long I forget what it looks like. We are over 30 inches behind.

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       Post #: 86

RE: New STS 5 port 28 truggy engine - 8/23/2007 5:49:23 PM   
redfox03


 

Posts: 1214
Joined: 11/24/2005
From: Milwaukee, WI, USA
Status: offline 		whats the advantage of the steel throttle pull?

_____________________________

Blue Magic Area 51 .28 motor
The truth is out there.....

(in reply to 46u)
       Post #: 87

RE: New STS 5 port 28 truggy engine - 8/23/2007 6:08:10 PM   
46u



Posts: 18187
Joined: 1/13/2005
From: Macon, GA, USA
Status: offline 		Some said they had trouble with the brass throttle pull so they started making them out of steel. I think some over tightening the setscrew, so far I have not had a problem.

< Message edited by 46u -- 8/24/2007 3:31:10 PM >

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       Post #: 88

RE: New STS 5 port 28 truggy engine - 8/24/2007 5:50:56 AM   
ThunderbirdJunkie



Posts: 12061
Joined: 7/25/2004
From: Mason, OH, USA
Status: offline
quote:

ORIGINAL: redfox03

whats the advantage of the steel throttle pull?


it's better than brass because it's a harder material. Also, when I pulled my .30 out of the box, the throttle pull was loose...I tried to tighten it, but the threads ripped right out. That's why it's better

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"Some people can mess up an anvil with a rubber hammer" -46u

(in reply to redfox03)
       Post #: 89

RE: New STS 5 port 28 truggy engine - 8/24/2007 3:33:03 PM   
defiant11


 

Posts: 52
Joined: 6/17/2007
From: , UNITED KINGDOM
Status: offline 		I recently bought a Hobao Hyper Truggy from Ebay. It is in semi kit form(Not the Pro). You dont get radio gear but everything else. The guy sells the kit with either a .28 or .30 STS motor.
I paid £250 for .30STS & Rolling kit which I think should be an exccelent combo.

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=200140493053&ssPageName=STRK:MEWA:IT&ih=010

Carl

(in reply to ThunderbirdJunkie)
       Post #: 90

RE: New STS 5 port 28 truggy engine - 8/24/2007 3:46:41 PM   
46u