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Old 08-02-2011, 08:08 PM   #121
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Ok here is what i have to say about the New speed engine. IT IS A BULLET! there is that much top end power i had to even gear it with a 21/47 i could of even gone a 50 tooth on the first gear. Used a combination of picco pipes and nova and found the 2015 with the short header was the best choice on this particular track. The motor would either catch,pass OR pull away from the other motors in my heat. The motor idled perfect from the start of the event. We only had one issue with it and that was it flamed out once during practice checked the plug and inside internal and everything was ok. After that not one issue. I ran the motor on the same rod from run in. Engine is awesome.i could not believe my eyes when i passed the latest max TQ 9port down the straight lol. Guys if you clutch the engine right and right pipe you will be there with any engine.
Enjoy guys.
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Old 08-18-2011, 10:53 PM   #122
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Hey guys,

I just bought my new .21 xz-r and I have some glowplugs p8(71641800)
will they work or should I purchase the rp7 ones?

Thanks
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Old 08-19-2011, 01:23 AM   #123
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Here in Singapore, we run RP7. Hot and humid. RP8 takes a longer time to warm up. Better high end rev's....
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Old 08-20-2011, 10:07 AM   #124
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Here in Singapore, we run RP7. Hot and humid. RP8 takes a longer time to warm up. Better high end rev's....
Thanks vones
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Old 08-21-2011, 05:35 PM   #125
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Default engine blow up

Extemely care with this engine, extremely fragile!!!!
My engine blew up yesterday, the piston all broke in pieces. Not only mine, my fd's Speed 21 got the same problem. The piston material sucks!!! The average engine temp around 90C something and internally moist enough, still broken. RIP!
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Old 08-22-2011, 12:37 PM   #126
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pics pls from all the parts.
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Old 08-22-2011, 01:27 PM   #127
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Quote:
Originally Posted by beebone View Post
Extemely care with this engine, extremely fragile!!!!
My engine blew up yesterday, the piston all broke in pieces. Not only mine, my fd's Speed 21 got the same problem. The piston material sucks!!! The average engine temp around 90C something and internally moist enough, still broken. RIP!
We have 6 x OS Speeds at our track, all very fast, all very reliable, some with 6L through them so far.

How old was yours, when was the rod changed, etc etc..
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Old 08-22-2011, 06:01 PM   #128
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Quote:
Originally Posted by beebone View Post
Extemely care with this engine, extremely fragile!!!!
My engine blew up yesterday, the piston all broke in pieces. Not only mine, my fd's Speed 21 got the same problem. The piston material sucks!!! The average engine temp around 90C something and internally moist enough, still broken. RIP!
Really?
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Old 08-22-2011, 10:45 PM   #129
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Originally Posted by GREGORY! View Post
pics pls from all the parts.
All were in garbage, piston broke completely in pieces
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Old 08-22-2011, 10:47 PM   #130
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Originally Posted by Novarossi View Post
We have 6 x OS Speeds at our track, all very fast, all very reliable, some with 6L through them so far.

How old was yours, when was the rod changed, etc etc..
Its new conrod, bearings were smooth, never overheat, the eninge maintain 85-95C
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Old 08-22-2011, 10:47 PM   #131
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Really?
yes, sucks
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Old 08-23-2011, 01:40 AM   #132
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Quote:
Originally Posted by beebone View Post
Its new conrod, bearings were smooth, never overheat, the eninge maintain 85-95C
beebone, how many runs did you get out of the engine after you replaced the rod? did it happen straight after you replaced the Rod or did you do a number of club days on the new rod and then it blew up on you ?

Did the rod break also ?

Alex

ps sorry for the bad luck mate..
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Old 08-30-2011, 04:18 AM   #133
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Hi, can someone share with me what is the spur n pinion that you guys used for this engine with serpent 966?

Thanks!
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Old 09-11-2011, 06:10 PM   #134
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Can Odonell plugs be used in OS engines?
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Old 09-11-2011, 09:14 PM   #135
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Can Odonell plugs be used in OS engines?
yes you can!
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