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    Time to replace my HPI Savage 25 Replacement Engine??

    Just tear it down to the bones and see what the heck is causing your problem. They are very simple engines so have at it, it’s the only way to do it right. No amount of soaking will remove all of the crud that can build up and it’s the only way to be sure you’ll have a good running reliable...
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    Pics of your custom made parts.

    Well all done! Purchased the Ofna tank, designed and printed a new radio box and cover. I have not made provisions for a reverse servo at this time - maybe in the future.
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    Spur gear alignment

    It's the angle of the picture. Its in perfect alignment with the spur, just set back. No cracks or damage of any kind in the engine plate. I've ran 2 tanks through it like this and the spur shows no sign of damage so the gear mesh is good.
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    Spur gear alignment

    Picked up this a used savage 25 a few weeks ago so I don't have any history on it. Did a complete teardown and replaced anything that was worn. After re assembly th only thing I didn't like is the spur gear/clutch bell alignment. What's the best suggestion on how to cure this, shim flywheel...
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    Pics of your custom made parts.

    I have a Prusa I3 MK2. Love this thing! The newer version, MK3 is out so you could get the MK2 at a reduced price. Takes a while to get to learn what it wants to make a good print but once you do...
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    Pics of your custom made parts.

    Dug out my Savage 25 recently, in hibernation for the past god knows how many years along with my rs4 3. Anyway, decided its about time to do a mid tank mod. So my starting point is to relocate the T/B servo along side the motor and clean up the linkage. Now for the fun part..... I have a 3D...
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    another "can anyone identify this engine" question

    Thanks, it makes sense it’s a small block Traxxas. I think it was on the RS4 2 when I first purchased it many years back. Somebody replaced the HPI with this at some point and I had replaced it with an OS. Thanks for the replies!
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    another "can anyone identify this engine" question

    So I've decided to dig in to my old hobby of nitro RC which I haven't touched in over 15 years. I have a savage, RS4 2 and an RS4 3, along with a ton of spares. Not sure where this engine came from, may be the engine that came with the RS4 2 I bought used, but I'm curious if anyone can...
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