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Old 10-22-2009, 09:38 AM   #106
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The funny thing about the ROAR rule is that they measure the length of the stinger from the tip to where it meets the canister at its furthest point. IFMAR and EFRA measure the length of the stringer itself, no matter how far it sticks in or out of the canister. They measure it from inside the stringer (with something like a exhaust spring tool). ROAR needs to look into this a little further. DAWN!!!!
I actually talked to the ROAR fuel tech director about this yesterday. He measures the same way, not by how much stinger is exposed outside the pipe. Apparently, the 1050 has too short of a stinger even when measured for total length. I have told O.S. about the ROAR rule, we'll see if anything gets changed for next year.
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Old 10-22-2009, 10:06 AM   #107
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I actually talked to the ROAR fuel tech director about this yesterday. He measures the same way, not by how much stinger is exposed outside the pipe. Apparently, the 1050 has too short of a stinger even when measured for total length. I have told O.S. about the ROAR rule, we'll see if anything gets changed for next year.
I guess ROAR's tech guys at this year's national championships were wrong. I questioned them heavily on it. They even got the rulebook out. Not surprised. DAWN!!!!

Told ya, "Dr. Socko KNOWS!"
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Old 10-26-2009, 07:57 AM   #108
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I guess ROAR's tech guys at this year's national championships were wrong. I questioned them heavily on it. They even got the rulebook out. Not surprised. DAWN!!!!

Told ya, "Dr. Socko KNOWS!"
I try to, it's part of the job.
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Old 11-04-2009, 09:19 AM   #109
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Hey guys, aside from the MSR pipe and the 1050, any other you have tried? I read a few posts back that some had tried the 2630, I guess I'll start there.


Regarding glowplugs, can someone make a side-by-side comparison of P7 vs RP7 glow plugs aside from price? I don't want to assume that since they cost more, they are better. Look at novarossi ultra plugs, they cost alot more, yet I dont see them anymore for purchase because normal were better.
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Old 11-05-2009, 07:58 AM   #110
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The RP7 has a slightly heavier element. It lasts longer and seems to be more durable. The heat range is almost identical. I ran them all this summer and had no problems.
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Old 12-06-2009, 08:47 PM   #111
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XZ used OS RP6, can OS P6 be used?
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Old 12-07-2009, 07:31 AM   #112
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XZ used OS RP6, can OS P6 be used?
yes, you can. but you will have better performance with RP plug series
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Old 12-08-2009, 07:35 PM   #113
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I run my XZ with P6.

Getting a P7 to run it through later.
Anyway what are ur final needle setting for ur XZ? .

Expecting to see some different range tuning .
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Old 12-25-2009, 02:26 PM   #114
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Hey guys, I have an OS Speed XZ that I am selling.



Has 3 tanks of break-in. Never has been ran.
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Old 01-17-2010, 05:36 AM   #115
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What temperature range are you guys getting with your xz motors?
Im running a P7 plug and I register temps of 110-120 degrees celcius ... but if i lean it out, i get heaps better performance but temperatures reach 120-130 ... is this considered safe still? Ive heard of others running their motors even higher around the 140-150 range ... with still a nice thin trail of smoke
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Old 01-17-2010, 07:10 AM   #116
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What temperature range are you guys getting with your xz motors?
Im running a P7 plug and I register temps of 110-120 degrees celcius ... but if i lean it out, i get heaps better performance but temperatures reach 120-130 ... is this considered safe still? Ive heard of others running their motors even higher around the 140-150 range ... with still a nice thin trail of smoke
My OS always come alive around 130C....I keep it there for racing....FYI me and 2 of my friends won a 5 hrs endurance race recently....we were using that engine for the whole duration with that tune...NO problem at all...
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Old 01-18-2010, 06:54 PM   #117
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might be the wrong post but what pipe u recommend for a serpent 733 with a os 18tz? need suggestions
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Old 01-22-2010, 11:03 AM   #118
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Hello,

What ROAR leagal pipe is recommended for the Speed 12XZ?

Thanks
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Old 01-25-2010, 12:28 PM   #119
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BUMP

I also wonder about legal pipe´s for the OS Speed !

Anyone ???
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Old 01-25-2010, 09:38 PM   #120
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nice
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