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Forum: Q-500 Racing

04-16-2011, 09:48 AM

Replies: 10

Rossi 45 Engine performance tuning

Views: 6,822

Posted By k_c_koh

RE: Rossi 45 Engine performance tuning

Hi scoeroo

i dont understand this

"Exhaust timing to be lifted above 185 dregees (no sub-piston induction) "

kelvin Koh

Forum: Q-500 Racing

04-13-2011, 06:19 PM

Replies: 10

Rossi 45 Engine performance tuning

Views: 6,822

Posted By k_c_koh

RE: Rossi 45 Engine performance tuning

Hi Jaka

I don't think i misinterpreted the text, you can read my first post, i did use 8,75x8 but i with Marc Pipe i can make it 18000RPM on the ground. so i suppose to reach nearly 19000RPM...

Forum: Q-500 Racing

04-11-2011, 06:52 PM

Replies: 10

Rossi 45 Engine performance tuning

Views: 6,822

Posted By k_c_koh

RE: Rossi 45 Engine performance tuning

10mm carb should be better than 8mm carb right?

Forum: Q-500 Racing

04-10-2011, 07:47 PM

Replies: 10

Rossi 45 Engine performance tuning

Views: 6,822

Posted By k_c_koh

RE: Rossi 45 Engine performance tuning

hi speedracerntrixie , i using Rossi .45 VP that I got from SG Model Engines too. i will try to use 9 x 7 and see what is the result, so far 10 x 6 with Marc Pipe is the best i get from this engine...

Forum: Q-500 Racing

04-10-2011, 07:28 AM

Replies: 10

Rossi 45 Engine performance tuning

Views: 6,822

Posted By k_c_koh

Rossi 45 Engine performance tuning

Hi all

Recently i bought a Rossi 45 Engine from USA, i try to tune the engineer to reach it peak RPM which is the factory specification at 19000RPM with 11*6. i test data is below

Byron 10...

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