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R/C Tech Forums (https://www.rctech.net/forum/)
-   Offroad Nitro Engine Forum (https://www.rctech.net/forum/offroad-nitro-engine-forum-157/)
-   -   NOVAROSSI Engine thread.... (https://www.rctech.net/forum/offroad-nitro-engine-forum/353301-novarossi-engine-thread.html)

houston 02-19-2012 02:18 PM
Originally Posted by GMS_Racing (Post 10351168)
If im running a BTT on 30% should i remove any of the head shims?
Not necessary , but rearranging shims (requires other shims) to achieve .70mm will feel a bit more responsive but I wouldnt suggest doing so til after metal to metal friction is gone

Lille-bror 02-19-2012 09:15 PM
Originally Posted by houston (Post 10350730)
silicone filled intake ramp does do a few things , most noticeably the reduction of the staged idle by filling an airpocket that completely disrupts incoming flow of air/fuel when going from high vacuum to low vacuum on the intake of the crank , noticed a HUGE difference in the way the engines tuned off throttle and it threw me for a loop back in '06-'07 ish when the 821b was the first engine to come with the lightened crank that was unfilled . one thing i can tell ya is every single one of my multi repeat customers from all over the world have tried both and prefer a filled crank , we all do things a lil differently , we all have different opinions , we all feel things that others dont .
Thanks Monty.
Makes sense :nod:

CanyonCarverR1 02-20-2012 07:36 AM
What do you guys use to pre-heat your engines? I have a heat gun, buy I'm looking for something I can turn on and walk away from for a bit.

J.Sears 02-20-2012 07:51 AM
Originally Posted by CanyonCarverR1 (Post 10354558)
What do you guys use to pre-heat your engines? I have a heat gun, buy I'm looking for something I can turn on and walk away from for a bit.
Competition heater. It's the greatest thing sense sliced bread.

houston 02-20-2012 11:00 AM
Agreed!

Comp heat is THE WAY!

handyman77 02-20-2012 02:01 PM
Hey Houston, I have a question, I have a bonito with about 1 gallon now and I am using the 6.5 insert so is that a good insert or should I go to a 7 or 7.5 I run this in a truggy, also how would this affect the run times? I am getting about 8min right now

Thanks in advance

davet323 02-20-2012 06:57 PM
I got a +4 BTT.. 3 litres old, It flames every fuel/pit stop sometimes in pit sometimes 1/4 lap out. Can someone tell me why? I checked all lines/tank all are ok. Its flames after refill when tank is close to empty. runs great up to the pit stop.
Any help would be great.. Cheers

hookem34 02-20-2012 07:20 PM
Originally Posted by davet323 (Post 10358032)
I got a +4 BTT.. 3 litres old, It flames every fuel/pit stop sometimes in pit sometimes 1/4 lap out. Can someone tell me why? I checked all lines/tank all are ok. Its flames after refill when tank is close to empty. runs great up to the pit stop.
Any help would be great.. Cheers
Have you tried to lean the LSN an hour or so?

Maximo 02-20-2012 07:35 PM
Originally Posted by davet323 (Post 10358032)
I got a +4 BTT.. 3 litres old, It flames every fuel/pit stop sometimes in pit sometimes 1/4 lap out. Can someone tell me why? I checked all lines/tank all are ok. Its flames after refill when tank is close to empty. runs great up to the pit stop.
Any help would be great.. Cheers
what fuel and glowplug do you use ?

strngdze 02-20-2012 07:48 PM
I had the exact same issues recently. It turned out being my manifold gasket between the pipe & header. Looking at it from outside it looked fine, but once I separated the pipe & manifold, I could then see the gasket was trash.

It ran OK under throttle because the pressure was still high enough to help push the fuel. The flame outs occurred at idle because there was not enough tank pressure due to the fact it was escaping between the pipe & manifold.

Just something else to check.


Originally Posted by davet323 (Post 10358032)
I got a +4 BTT.. 3 litres old, It flames every fuel/pit stop sometimes in pit sometimes 1/4 lap out. Can someone tell me why? I checked all lines/tank all are ok. Its flames after refill when tank is close to empty. runs great up to the pit stop.
Any help would be great.. Cheers

davet323 02-20-2012 07:58 PM
Originally Posted by Maximo (Post 10358281)
what fuel and glowplug do you use ?
Nitro X 25% with C6TGH Nova plug.
I was actally with Savage sam at Geelong last weekend when it was happening. But he wasn't the problem..LOL..
Neal

Maximo 02-20-2012 08:08 PM
Originally Posted by davet323 (Post 10358400)
Nitro X 25% with C6TGH Nova plug.
I was actally with Savage sam at Geelong last weekend when it was happening. But he wasn't the problem..LOL..
Neal
what oil % ....your plug may be a touch too cold , which would make the engine more sensitive...

houston 02-20-2012 08:53 PM
Like Neal said that plug is the onroad plug c6tgh is pretty cold compared to c6tgc

Like strangdazd says , check all fuel pressure/delivery components before blaming it on the engine, 99% of the time you will find something wrong

Is it a mugen?

davet323 02-20-2012 09:20 PM
Is it a mugen?[/QUOTE]

Yes it is a Mugen
Sorry the plug is a c6tgc

houston 02-20-2012 09:22 PM
Originally Posted by davet323 (Post 10358774)
Is it a mugen?

Yes
how did I know ? ;)

Tell tale sign your novarossi isnt properly tuned , runtimes are not good :nod:


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