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Old 02-02-2006, 06:10 PM   #1171
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here is the problem..........when you go to tight with head clearance detonation may occur and the visible result is the top of the piston and combustion chamber popped........in this case the damage is done and your engine will never perform as good as before until you change piston/liner and combustion chamber.........

sometimes when you're lucky the glow plug burns itself and it's a sign that the head clearance too small, or your carb setting is too lean.......then you just have to replace the glowplug and check the carb setting and head clearance.......
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Old 02-02-2006, 06:26 PM   #1172
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YIKES! So, atleast put one .1mm shim on there just to play it safe and richen the HSN?
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Old 02-02-2006, 06:37 PM   #1173
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yep.....if want to be safe add one 0.1 shim.........
about the HSN comparing 25% to 30% nitro you usually set rich with higher nitro content......but it's a slight difference, not related to be safe or not, just because higher nitro content increases explosion and build more heat in combustion chamber
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Old 02-02-2006, 07:04 PM   #1174
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So by how much would I have to richen it up? Just basically tune for performance right?
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Old 02-02-2006, 07:07 PM   #1175
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Default LL3 Bearing

Could someone post the exact measurement of the LL3 main bearing?
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Old 02-02-2006, 07:07 PM   #1176
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yep
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Old 02-02-2006, 07:12 PM   #1177
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Looks pretty light...

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Old 02-02-2006, 07:23 PM   #1178
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Wow, what engine is that?
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Old 02-02-2006, 07:26 PM   #1179
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Quote:
Originally Posted by BoCal
Could someone post the exact measurement of the LL3 main bearing?
11.5 x 21 x 5 mm
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Old 02-03-2006, 12:28 AM   #1180
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Quote:
Originally Posted by OrAnGe PoWeR
Hi guys! Does anyone know the factory needle setting for the NOVA P5TX Buggy engine? Thanks in advance!
Guys, help please.. anyone?
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Old 02-03-2006, 02:38 AM   #1181
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my engine tuner (20+ years nitro engine building)

said pretty much all engines are 2.5 turns out on high speed
and 2 1/4 turns or flush on thelow end
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Old 02-03-2006, 02:43 AM   #1182
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Default novarossi N12 LL3 .12 turbo

heys guys
what do u think of the novarossi N12 LL3 .12 turbo ?

how do the microcast internals last ?
are there any advantages/disadvantages with this engine ?


Thanks
John
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Old 02-03-2006, 06:51 AM   #1183
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Quote:
Originally Posted by OrAnGe PoWeR
Guys, help please.. anyone?

5 out on the bottom and 3.5 out on the top should have
you in the ball park
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Old 02-03-2006, 02:25 PM   #1184
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Quote:
Originally Posted by mrgsr
my engine tuner (20+ years nitro engine building)

said pretty much all engines are 2.5 turns out on high speed
and 2 1/4 turns or flush on thelow end
He has obviously never touched a nova based engine before
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Old 02-03-2006, 02:43 PM   #1185
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indeed.......

i checked an engine here and the LSN is 4 turns open.......

and the HSN is almost flush, slightly open from flush.........
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