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Old 11-23-2002, 11:24 PM   #1
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Default which engine?

I have a HPI Nitro RS4 2 with the stock star .15FE I admit I did not break the engine in right and now it is shot. So I just want a replacement engine one that is cheap and will bolt right up to the existing header and body without madification. I have found 3 what do you suggest and if you know of a cheap one please list it. I'm not into to racing just parking lot bashing the star .15 was fast enough for me, I did not even get to adjust to throttle lever to get it faster. Thanks.

HPI Nitro RS4 2 stock w/ nitro star .15FE

Ofna Force .12S w/Pull Start Red $69.99

HPI Nitro Star .12E $61.96

HPI Nitro Star .15FE $79.96

All from TowerHobbies.
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Old 11-25-2002, 07:20 PM   #2
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You can get a new piston and sleeve for your .15fe and it will be just like new. You should be able to pick that up for around $40. The .15fe is a pretty decent motor, I mean I know it's far from a Nova or something like that but it's good to beat around the neighborhood.
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Old 12-12-2002, 05:44 PM   #3
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out of the engines u listed i would go for the onfa!!
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Old 12-12-2002, 06:42 PM   #4
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ultimatehobbies.com has a yokomo rx-12 hyper for $59.99. I bought one for my NTC3. It's pretty fast. It's suppose to be rated at 1hp @ 33,000. It has a long shsft so i had to cut the shaft to fit my car. You can't beat the price.
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Old 12-12-2002, 08:06 PM   #5
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Default HPI .15Fe upgrades


PLEASE!, stay away from the Ofna Force .12. They are JUNK. Had one and barely got one gallon through it. Took it apart and it looked brand new inside, but it just wouldn't keep running.

Go to the HPI website and look for the "Buy HPI" and then the "Speed Shop" pages. They have a ABC piston and sleeve set for less than a new engine. This will make your engine better than any of those CHEAPO engines you listed and for less $$$ too.

HPI Racing

Last edited by popsracer; 12-12-2002 at 08:09 PM.
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