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Old 05-24-2006, 10:15 AM   #1
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Default newbie to buggy 1/8 .21 motor question

gonna get into the 1/8 buggys, any suggestions for a decent motor thats not expensive like the rb's or nova rossi's just need a motor so i can practice alot and is reliable.

i'll invest in a better motor when i get better and know what i'm doing. Don't want to waste my money on a super hipo motor just yet.
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Old 05-24-2006, 11:37 AM   #2
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OS RG. about $100. throw it away when it wears out and buy another for $100...

Most people would acctually drive faster lap times with an RG than with their modded and $300 + motors...
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Old 05-24-2006, 11:46 AM   #3
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Quote:
Originally Posted by killer89
OS RG. about $100. throw it away when it wears out and buy another for $100...

Most people would acctually drive faster lap times with an RG than with their modded and $300 + motors...
No kidding...LOL...a whole motor...and a fast one...for the price of a piston and sleeve. And you can just keep the carb and put it on a Novarossi.
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Old 05-24-2006, 11:56 AM   #4
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When setup properly it will go toe to toe with any engine on the market on a 90 foot straight. The RG only revs to around 2xk rpms where as high end engines rev much higher. You don't need any more motor then the rg unless you are running on a track with big 200 foot straights. The RG is also super easy to tune.
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Old 05-24-2006, 11:59 AM   #5
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Or he could go with the rb eco motor.

It is a 3 port and I own one it screams for a 3 port.
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Old 05-24-2006, 12:43 PM   #6
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Get the RG. Best choice by far for a first engine. Use an Ofna 086 or Jammin JP-2 pipe with it. Both durable, run great with the RG and probably the least expensive pipes around.
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Old 05-24-2006, 02:15 PM   #7
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I just bought one...can't beat the price.

Funny enough...I am going to put my JP2 on it.

I'll give some feedback when I can.
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Old 05-25-2006, 04:29 AM   #8
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i ran the JP1 on a RB C5...just too much power for the track i was on...and i am not sure how the WS7 III is gonna run...my point is that of others in this thread...power can be your worst enemy...it was for me in the early days...good for the shop though...was buying parts for the xb8 every week...and is this engine hits like the C5 i may go to something more along the lines of the RG...
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Old 05-25-2006, 10:20 AM   #9
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Hey Guys:

I run a OS RG and have had wonderful results. The engine has about 3 gallons of 30% on it and still has great compression. On a track up to 100' it will run with anything using a 13 tooth clutch bell. I ran a 14 tooth clutch bell last weekend on a track with a 140' straight and was ballistic. I was the fastest buggy on the straight even over the big $$$ engines. The RG also pulled the buggy well with very good torque with the 14 tooth clutch bell. I use a RB 9886 pipe with a short header. I also use Kyosho carbon shoes with 1.0 springs.

Tuning is a breeze and I ran 8.5 minutes on a tank of fuel.

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Old 05-25-2006, 11:27 AM   #10
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thanks for all the replys, it appears the os rg is the way to go for me.

7.5man, is 30% the normal nitro with this motor or did you have to do anything to the motor.
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Old 05-25-2006, 11:52 AM   #11
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teabag:

I did not have to add any shims to the engine for 30% fuel if that is what you mean. I have run Sidewinder 30%/11% oil and White Lightening 30%/8% oil in it. It runs like a top.

Just make sure to break it in properly. Get it up to 200* ASAP and run it for 3-4 minutes on the box. Try to stay at 1/2 to less throttle and then shut it down. Put the piston at BDC and let it cool completely down. Repeat this process for 3 tanks of fuel. After that you can run the car on the ground for each tankful for about 3 more tanks going up to 3/4 thottle. Try to keep the temps around 200-230* for that. Always put the piston at BDC and let it cool right down. After about 6 tanks you should be ready to race tune the engine. When you finish running the engine it is an excellent idea to always put the piston at BDC. You will get longer engine life doing that.

you will find that the RG runs warmer than other engines because it has a smaller cooling head. Mine runs at about 250- 290* under race conditions depending on the weather outside.

enjoy....
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Old 05-26-2006, 01:37 AM   #12
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The Ofna hyper 21 8 port is good choice for a budget engine, it doesn't rate as highly with most people as the RG, but it is still a good engine. Just another one to keep in mind.
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Old 05-26-2006, 04:27 AM   #13
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i would go with a thunder tiger pro .21 BXR......realy reliable engines from thunder tiger....just gotta love em ! i got 1 in my savage and i cane it everyday for around half an hour with 20% ..... its had leans,overheats and everything.....still running like new after 8-9 gallons....u just gotta love this thing.....and its pretty cheap aswell.....i got mine for 290 AusD wen it first came out....the new series of engines that thunder tiger brang out that are ported and internaly modified.....
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Old 05-27-2006, 02:10 AM   #14
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Hyper 8 port tubo is bloody awsome , easy to tune , fast and great economy . I get 12 min on a tank and can idle on the grid for over 1 min and still take off like a scolded cat. I perfer it than my OS v spec and my JP and easy to drive fast.
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Old 05-27-2006, 02:40 AM   #15
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http://www.amainhobbies.com/product_...oducts_id/3245

Another great option...
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