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Old 02-08-2009, 03:33 AM   #16
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Originally Posted by VIPER45 View Post
Hello guys
Need a little help on choosing the right engine for my MBX-6. What would you recommend? These are the things I know I want.

1.Reliability
2.Durability
3.Power
5.Low maintenance

Thanks again
In the categories you named

Reliability RB, Nova
Durability RB, Nova
Power OS
Low Maintenance RB, Nova
Ease of Tuning OS RB, Nova

Power always depends on which model engine you buy not which brand. However the OS speed is the most powerful on the market 2nd would be the RB C6. Power and Top end is only applicable to the track you run on. A Speed or a C6 is a waste on a short Track where a RBS5 or a GO 5 port would be more than enough to win a race. Nova based motors are generally more reliable. However you can get good life and power out of allot of motors on the market. Your skill level with engines is what really comes into play. A GO Tech could be the ideal engine for you if your descent with an engine.

You should be more specific about the size tracks you run on. Don't waste your money on a bunch of power that will never come into play. Just in mind we are all just giving our opinions. Everybody here giving there opinions have been beaten by an engine they didn't mention. If they say they haven't there lying.

Just a side note any modded engine is going to be harder to tune. All engines have a tuning window. Where the it will run good, great and best. A modded engines windows is smaller than an unmodded. How small depends on the extent of the modding. A modded egine only is gong to have about a max of 15% power gain.
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Old 02-08-2009, 09:30 AM   #17
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for $220 im running an s5 l2g+$25 more added turbo button off ebay w/plug&shims. after break in this thing is great. with 086 pipe runs 11+minutes with smooth powerband. with 007 pipe runs almost 9 minutes(still little rich) and still smooth but better for short indoor tracks. break in was easy and tunability after 2 gallons is perfect, runs about 215 degrees week after week on sidewinder 30%/11(50/50 mix of 10&12%) oil. vspecs are nice as well as jx 21 but still for about $50 less my s5 needs no attention for last 3/4 gallons and are proven to run 8 hard gallons easy
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Old 02-08-2009, 04:36 PM   #18
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Originally Posted by Blackhawk4 View Post
Go .21 7 port turbo
+1 on the Go Tech 7 port turbo. or you can get one of these:

http://ebmods.com/M5%20Press%20Relea...ine%20JPEG.jpg

Dyno numbers:
http://ebmods.com/Accel%20Graph%20copy.jpg
http://ebmods.com/EBM5%20vs%20Stock%205P%20copy.jpg
http://ebmods.com/EBM5%20RP%20JP2-4.GIF
http://ebmods.com/EBM5%20RP%209886%2...41-%202060.GIF
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Old 02-08-2009, 04:40 PM   #19
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Another vote for the JX Ninja.
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Old 02-08-2009, 04:55 PM   #20
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Originally Posted by houston View Post
P5XS , plus4 , limited 2000BF . excellent engines and some can be had for great deals
qft!

Novarossi > *
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Old 02-08-2009, 06:14 PM   #21
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If you are looking for the most power and reliability then either the novarossi 21-7FMS or the 21-5kT are what you want.
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Old 02-08-2009, 06:21 PM   #22
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If you are looking for the most power and reliability then either the novarossi 21-7FMS or the 21-5kT are what you want.
Anything STS!!
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Old 02-08-2009, 10:48 PM   #23
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Quote:
Originally Posted by houston View Post
P5XS , plus4 , limited 2000BF . excellent engines and some can be had for great deals
Quote:
Originally Posted by Miles G View Post
If you are looking for the most power and reliability then either the novarossi 21-7FMS or the 21-5kT are what you want.
Just so the OP knows. The RX21P5 series, and the Plus 21-5 and 21-7 Series, and even the N21B 2000 and 2001 engines are now discontinued. Any stock left in stores is all thats left.
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