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Old 06-26-2004, 12:00 AM   #1
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Default what do you hear about a novarossi S421B offroad .21

so what do you guys hear about this new power plant?
how does it fell on the track?
bottom end ?
mid power band?
top end?
and about what temp do they like?
and is anyone adding head shims

i am thinking about running it and i would like some input please

Thanks Guys
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Old 06-26-2004, 02:07 AM   #2
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i've got both the Top version the Novarossi version and yes they are good engines. i dunno about temps as i never use a gun but they run pretty strong. at least as good as a WS7II if not a little faster!
the seal on the front bearing went on mine quite quickly but thats no big problem & easily fixed

i've only used the Top so far & yes i'm happy with it!
i just fancied a change from RB but i still think RB are probably the best engines out there

the 421B & P5 are the best Novarossi engines for years
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Old 06-26-2004, 03:40 PM   #3
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thanks for the info

my personal favorite moter is the rossi black magic i love all the low end grunt but it lacks on the top end

i just ran a rb c5 last night (sqeezed) and it had a ton off top end but it lacked on the low end or the middle and i had a tough time jumping over doubles unless i leaned out the bottom and then it would flam out at 1/4 of a tank left

the magic had no problems over the jumps but lost it in the straights

so i am trying to find an engine with a good power band for small to med tracks

so thanks again
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