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Old 06-05-2008, 08:31 PM   #2626
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I've ran an os but always went back to a nova
Yape...go with novarossi plug... is gd and lasting!
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Old 06-05-2008, 10:29 PM   #2627
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I've ran an os but always went back to a nova
Ok it to bad my lhs is to dam cheap to get anything other than os and mcoy plugs. Will have to get some of the online shop. Gotta love amain.
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Old 06-06-2008, 02:35 PM   #2628
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sts 21 mkII for sale here cheap.!!! http://www.rctech.net/forum/showthre...26#post4508026
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Old 06-08-2008, 07:13 PM   #2629
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hey CharlesSD . i run the new sts S12X3 engine last race (at RCPiKERIVER.COM) ENGINE was fast,reliable... was running bit too hot...

btw. TQ`ed and win...with a new fastest lap
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Old 06-09-2008, 06:55 PM   #2630
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Hi Spy,
I thought you were running a JP. Goes to show that the STS is plenty fast. I just hope it's reliable and solid conrod wise as it seems to be sts's weak point.

I'll check it out next race. ( have to fix my front diff - after the few back flips i did
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Old 06-14-2008, 06:56 PM   #2631
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I just bought a used STS D28M off a guy, and it only has a quart of fuel through it. He had it in his HPI Savage and he used a roto start backplate. I am putting this engine in my truggy which I have set up for bump start. I see that STS sells a bump start engine but I can't find a bump start backplate to put on my engine. Does anyone know where to buy one or have a part number for the backplate?
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Old 06-16-2008, 05:58 PM   #2632
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Arrow i love STS!!

Hey there guys, I have been running a sts d12e for about a year now and it's been great. Only issue i have had with it is the o-rings behind the mid range needle leaked after a while. Nothing a $5 bag of o-rings didn't fix. So when i bought a buggy i had to get the sts d30m. It goes great but it just sounds like a motor bike. I am pretty sure the bearings are ok so i have no idea what it could be. Has anyone had similar problems? The temp, smoke, fuel ecconomy are all good it just sounds very loud.
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Old 06-16-2008, 06:34 PM   #2633
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Loud usually means either a loud pipe or an exhaust leak.
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Old 06-20-2008, 07:35 AM   #2634
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Arrow TORQUE PIPE

The pipe i am using is the VXR FIRE-T. The "T" stands for torque so maybe i might change pipes and see how it goes.
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Old 06-21-2008, 02:47 PM   #2635
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i have a ? i have the new sts d28 pro 5 port truggie motor #2809. when i took apart to clean cause it is new heard of q\c but it was very clean no problem there. any way when i took off back plate and carb it had an all black crankshaft . at the sts website it shows a polished crankshaft only the threads were black for fkywheel nut. does anyone know if thier crank is all black or polished on sts d28 pro 5 port truggie motor #2809. any help would be sweet. thax
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Old 06-22-2008, 09:52 PM   #2636
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anyone here
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Old 06-22-2008, 10:02 PM   #2637
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anyone here
hi... from what i know black coated crank shaft are better as in it reduce friction n protect the crank! As for if it is right shaft for that engine i have no idea cause im using the .12 engine. Just my 2 cent!
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Old 06-23-2008, 04:52 AM   #2638
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hi I run .21 engines

if this crank was in it, they just changed to putting these in
that's all, I think..
in general, black cranks are more hardened and more resistant
but opposite, they could eventualy break easier
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Old 06-23-2008, 04:08 PM   #2639
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thanx for your 2 cents. iam going to break it in later today or tomaro. is byrons 20 nitro 16 oil ok to break in motor with the stock 1aluminum and 1copper shims. my brother has the hyper 21 8 port race 2.7 hp at 38000 is this fuel good for him for breakin also he has same shim setup.and whats better sts d28 pro 5 port truggie or the hyper 21 8 port race black block. we have a little bet going.
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Old 06-23-2008, 04:42 PM   #2640
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my brothers hyper 21 8 port race with black ceankcase has a boost tube from under carb on crankcase to the backplate can i do this to my sts d28 pro 5 port triggie motor . dose it even help what dose it do .
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