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Old 07-08-2010, 11:46 PM   #1
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Default nova n21bf 3-port!

i have a nova n21bf 3-port in my 8ight truggy that runs great!...but never tried any other pipes/header combos or hotter/colder plugs!...right now i have the j-p4 pipe and mc8 glow plug!....what plug should i run in 80-90 degree weather?...and what pipe should i run for truggy!
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Old 07-09-2010, 12:07 AM   #2
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Default May I suggest......

I really only use two pipes. The 9853ss and the 9086. The 9853 is the mid range pipe that honestly works awesome on every engine I've tried. The 9086 is a top end pipe that works a bit better on large tracks....

I love the mc-8 plug year round, but the summer can be tough on plugs when an engine running 220-240 during the cooler days is put in the 100plus temps here in Texas and comes off at 250-265. You might try an odonnell 99 plug for 90 plus temps, but if your in the mid 80's I would leave the mc-8 in it....
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Old 07-09-2010, 01:21 AM   #3
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Go conrods fit this mill and they are tougher than the nova one in there now.

I truly hope you have better luck with yours than i have had with mine.

Go conrods, the engine company "Go engines" their conrods fit in novas and can be found for 12 bucks where the nova ones are weak and cost 63.00
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Old 07-09-2010, 08:30 AM   #4
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the MC8 or OD99 are great plugs for that engine. also the JP4 or Dynamite 053 or 086 (for bigger tracks) works great. i got around 10 min a tanks with OD99 plug with 053 pipe.
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Old 07-09-2010, 09:36 AM   #5
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Default Hey we agree....

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Originally Posted by jmaxey51 View Post
the MC8 or OD99 are great plugs for that engine. also the JP4 or Dynamite 053 or 086 (for bigger tracks) works great. i got around 10 min a tanks with OD99 plug with 053 pipe.
It's nice to agree with another racer.
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Old 07-09-2010, 10:26 AM   #6
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I run the 086 with an OD 100 plug. Got 9:30 last time i timed it. Maybe a hair on the rich side.
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Old 07-09-2010, 02:06 PM   #7
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so far i love this engine!...i bought it used from chris @ trackstar w/2 gallons on it and ive put about 2 gallons on it!...i have the jp-4 pipe bought was told it restricts this motor just a little bit....most of the tracks i run on are pretty technical so i need as much bottom end as i can get
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Old 07-09-2010, 02:32 PM   #8
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Quote:
Originally Posted by looper View Post
Go conrods fit this mill and they are tougher than the nova one in there now.

I truly hope you have better luck with yours than i have had with mine.

Go conrods, the engine company "Go engines" their conrods fit in novas and can be found for 12 bucks where the nova ones are weak and cost 63.00
REALLY???? go conrod will fit a nova bf???? good to know!!
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Old 07-09-2010, 03:03 PM   #9
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Quote:
Originally Posted by deadmancourt View Post
so far i love this engine!...i bought it used from chris @ trackstar w/2 gallons on it and ive put about 2 gallons on it!...i have the jp-4 pipe bought was told it restricts this motor just a little bit....most of the tracks i run on are pretty technical so i need as much bottom end as i can get
if thats the case use a Dynamite 053, it gives it alot more bottom. i tried an 007 high torque and man it ran out of power WAY to quick!
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Old 07-09-2010, 05:21 PM   #10
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Quote:
Originally Posted by looper View Post
Go conrods fit this mill and they are tougher than the nova one in there now.

I truly hope you have better luck with yours than i have had with mine.

Go conrods, the engine company "Go engines" their conrods fit in novas and can be found for 12 bucks where the nova ones are weak and cost 63.00
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Old 07-09-2010, 06:37 PM   #11
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is that good or bad
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Old 07-09-2010, 06:44 PM   #12
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is that good or bad
Prob. bad because all the go engines i've seen have broken the rods . But no nova engine till mine did a couple weeks ago , but it was modded & i think the modder may have cut on something too much .
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Old 07-09-2010, 06:56 PM   #13
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Prob. bad because all the go engines i've seen have broken the rods . But no nova engine till mine did a couple weeks ago , but it was modded & i think the modder may have cut on something too much .
Go's are also a hell of a lot tighter then the nova's new. Thats why if you replace them after 2 gallons you wont break them anymore
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Old 07-11-2010, 07:13 PM   #14
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I use MC-8 plugs and a Dynamite 086 pipe. Seems like a pretty good combo for this engine.
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