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Old 10-27-2009, 10:38 AM   #1306
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Originally Posted by brc358 View Post
How much did the long H arms raise the back of the body.
I have two MRX4X cars, and on one of them I used the Evolva M3 arms. It did help with the rear bite, but the aluminum arms really look good, and I may want to add those to the second car.
thanks
H-Arms have two mounting locations.

The lowest position is about 6.5mm taller than stock.

The highest position is about 10mm taller than stock.

(kyosho arms are about 6 or 7)
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Old 10-27-2009, 11:31 AM   #1307
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On what Engine do you use the o'donnel's plugs I have the Mugen NINJA MR21-R01 I was told that my car still needs to be tuned. That is way I blow plugs.
Mugen Ninja engine is suggested to stick with its original #7, but it seems difficult to find(buy). Mario Rossi is kind of having its engine rebrand, but i don't know it is out or made the same as previous. Hope it will. At least, GRP was a very good plug.
My GRP engine also keeps using the original, and it lasts(now almost 7 litres mileage). I am on 25%.
You may need to add shim in your case, try adding 0.1 may help. adding 0.1 won't hurt.
Many people in my country tried to find GRP #7 for their Flash 21, GRP's plug seems give very stable engine tuning, last long and good performance, but needs a strong glow plug voltage to glow, the next one i would say 0 donnel's. I have not used nova's for long long time.
just my 2 cents
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Old 10-27-2009, 01:13 PM   #1308
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Originally Posted by choisan View Post
Mugen Ninja engine is suggested to stick with its original #7, but it seems difficult to find(buy). Mario Rossi is kind of having its engine rebrand, but i don't know it is out or made the same as previous. Hope it will. At least, GRP was a very good plug.
My GRP engine also keeps using the original, and it lasts(now almost 7 litres mileage). I am on 25%.
You may need to add shim in your case, try adding 0.1 may help. adding 0.1 won't hurt.
Many people in my country tried to find GRP #7 for their Flash 21, GRP's plug seems give very stable engine tuning, last long and good performance, but needs a strong glow plug voltage to glow, the next one i would say 0 donnel's. I have not used nova's for long long time.
just my 2 cents
Mugen Ninja engine is suggested to stick with its original #7. 7 is a clod plug and I am running in 60% weather should I run #5 or #4
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Old 10-27-2009, 01:15 PM   #1309
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Keep this in mind I live in NYC Bronx and it is cold out here now. should I be running a hot plug.
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Old 10-27-2009, 01:47 PM   #1310
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Hello guys
Can someone school me on plugs, Hot weather use Hot plug or cold plug, Cold weather use cold plugs or Hot? HELP LOL
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Old 10-27-2009, 02:05 PM   #1311
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1/8th onroaders almost always use 7's. Sometimes an 8 for a really long track on a really hot day. But when it gets below 65 or so, I like to break out a 6. Makes the motor a lot more crisp.
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Old 10-28-2009, 12:24 PM   #1312
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1500's work fine. I think I have 2400s in mine now. It was one of those Orion Emaxx 2 pack deals.

By going with the higher batt numbers like 3000"s and 3500 will the batteries keep the charge longer or will they give more torque.
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Old 10-28-2009, 01:37 PM   #1313
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By going with the higher batt numbers like 3000"s and 3500 will the batteries keep the charge longer or will they give more torque.
Higher mah batteries just last longer on a charge. I had no trouble going a whole day of racing with 1500's but when they died after a few years I picked up the 2400's.
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Old 10-29-2009, 03:48 AM   #1314
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Originally Posted by mugenize1 View Post
Hello guys
Can someone school me on plugs, Hot weather use Hot plug or cold plug, Cold weather use cold plugs or Hot? HELP LOL
Hot weather climate : use colder plug

Cold weather climate : use hotter plug

High altitude ( mountains ) : higher nitro content

Low altitude ( sea levels ) : lower nitro content

be nice to grup A people and copy their engine setup.
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Old 10-31-2009, 06:34 PM   #1315
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Well guys let me tell you my drama. I found the #7 and the #6 plugs for the mugen ninja mr-.21 on-road. I was told that this engine does not need 30% fuel, 25% was good, But if I was going to run 30% then I need to add a shim under the buttonhead just like wingracer said went to remove the the buttohead and the sleeve came off also I was thinking ok wiggle it off wrong had to heat it up to remove it when I looked at the piston it looked like some one hit with a hammer!!!!!!! the rod is still new not a dent or stretch because I checked it with one of the new ones I have. and enverytime I remove a plug I made sure the spring on the plug was not in the engine. So know I am out an engine and can not run. Looking into New blocks any ideas out there on what I should get I like navorossi plus 35 or is there something better.
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Old 10-31-2009, 06:37 PM   #1316
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I also forgot to say the bearings where done about 3 where split in half
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Old 10-31-2009, 08:54 PM   #1317
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Ouch. Remember this for the future though. If you start blowing plugs, STOP. It's time for a tear down.

The 35+21 is about as good as it gets. I think I like it better than the Flash.
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Old 11-01-2009, 07:12 AM   #1318
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Originally Posted by mugenize1 View Post
Well guys let me tell you my drama. I found the #7 and the #6 plugs for the mugen ninja mr-.21 on-road. I was told that this engine does not need 30% fuel, 25% was good, But if I was going to run 30% then I need to add a shim under the buttonhead just like wingracer said went to remove the the buttohead and the sleeve came off also I was thinking ok wiggle it off wrong had to heat it up to remove it when I looked at the piston it looked like some one hit with a hammer!!!!!!! the rod is still new not a dent or stretch because I checked it with one of the new ones I have. and enverytime I remove a plug I made sure the spring on the plug was not in the engine. So know I am out an engine and can not run. Looking into New blocks any ideas out there on what I should get I like navorossi plus 35 or is there something better.
mugenize i have a GRP 21 Tuned Onroad engine and pipe for sale $180 shipped ,the engine has six tanks of breakin only so its still new.
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Old 11-01-2009, 08:39 AM   #1319
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Quote:
Originally Posted by mugenize1 View Post
Well guys let me tell you my drama. I found the #7 and the #6 plugs for the mugen ninja mr-.21 on-road. I was told that this engine does not need 30% fuel, 25% was good, But if I was going to run 30% then I need to add a shim under the buttonhead just like wingracer said went to remove the the buttohead and the sleeve came off also I was thinking ok wiggle it off wrong had to heat it up to remove it when I looked at the piston it looked like some one hit with a hammer!!!!!!! the rod is still new not a dent or stretch because I checked it with one of the new ones I have. and enverytime I remove a plug I made sure the spring on the plug was not in the engine. So know I am out an engine and can not run. Looking into New blocks any ideas out there on what I should get I like navorossi plus 35 or is there something better.
Get this:
http://kamikazercracing.com/proddeta...=35plus21TUNED
OR
http://kamikazercracing.com/proddeta...od=NOVS21WCS09
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Old 11-01-2009, 09:16 AM   #1320
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What is better the Blue head or the purple head I am looking for the NovaRossi 359 Race .21 Blue head and I can not find it, not even used not that I want it used. LOL
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