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Old 07-28-2005, 07:25 AM   #556
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Quote:
Originally Posted by BigDogRacing
Are you kiddin? I had like 1/3 tank left over after each 5 min qual at the Nats!!!
nope im not, myself and another guy at my local track that have this motor have had this problem.
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Old 07-28-2005, 09:41 AM   #557
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I was only making about 5:15seconds on a tank at the Nats and the motor was bone stock out of the box and the temps were about 235 or so. Jason when can I come up there and whip you at your own track?
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Old 07-28-2005, 10:01 AM   #558
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Quote:
Originally Posted by TexasRacer
I was only making about 5:15seconds on a tank at the Nats and the motor was bone stock out of the box and the temps were about 235 or so. Jason when can I come up there and whip you at your own track?
whats up. it was nice to meet you at the nats. just curious, did you run the OS the whole time? also, did you like the power, speed, etc.? compared to a novarossi?
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Old 07-29-2005, 02:41 AM   #559
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guys: i got an ostz 5 ports version. just curious which carb restrictor is suited for medium sized technical track??? the gray one or the black one??? also, has anyone tried runing the engine without the restrictor???

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Old 07-29-2005, 02:43 AM   #560
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guys: i have tried running the engine with the new OS P3 turbo plug. it's the hottest of all the OS turbo plugs and it lived up to my expectations... the engine seems to be more quicker
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Old 07-29-2005, 03:07 AM   #561
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Quote:
Originally Posted by doki_doki
guys: i got an ostz 5 ports version. just curions which carb restrictor is suited for medium sized technical track??? the gray one or the black one??? also, has anyone tried runing the engine without the restrictor???
I am
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Old 07-29-2005, 05:20 AM   #562
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To Xbeta, sort of off topic but, how is your RRR holding up. I was thinking of getting the normal version and putting in the 3 port.
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Old 07-29-2005, 05:49 AM   #563
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Quote:
Originally Posted by doki_doki
guys: i have tried running the engine with the new OS P3 turbo plug. it's the hottest of all the OS turbo plugs and it lived up to my expectations... the engine seems to be more quicker
Take out the 0.1mm shim and use the P6 plug has the same effect (advance timing) but the plugs will last longer

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Old 07-29-2005, 06:49 AM   #564
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Quote:
Originally Posted by nitro_D
To Xbeta, sort of off topic but, how is your RRR holding up. I was thinking of getting the normal version and putting in the 3 port.
if you get one, get the WC edition. so much nicer.
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Old 07-29-2005, 08:03 AM   #565
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After see this motor at the Nats, I just had to get one. The motor must be a good one. Many racers that I race with here in Texas switched to this motor to run their mains. Many of these guys had been running Mugen X-12, NS3, and RB V-12 motors during the two days of qualifying. This new OS motor looked very strong, especially powering out of corners. I will be breaking it in very soon.
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Old 07-30-2005, 02:35 AM   #566
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Quote:
Originally Posted by joemugen
if you get one, get the WC edition. so much nicer.
What is the main performance difference between the two. The WC and the normal. I don't want to bother with it if it is cosmetic.
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Old 07-30-2005, 08:30 AM   #567
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I was first running my Ebmods RR12L3 then took it out to run the O.S motor and left it in because I never ever adjusted any needles after I got it tuned in right. The motor wasnt as fast but it was very reliable and I thought that was a big factor in the heat so I left it in.
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Old 07-30-2005, 12:22 PM   #568
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This is kind of an old topic. In a smaller track, os tz can run with any other italian hot shots. It is in the larger tracks where the difference becomes obvious.
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Old 07-30-2005, 04:48 PM   #569
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silverM3... With the right tune pipe, proper engine breakin and gearing, the TZ-12 3P can run with any non-modified Italian motor day in and day out... And in most cases... beat them on any size track... Remember, a tune pipe can change an engines performance in a big way... One pipe can give a motor more low and midrange torque and power, while another can give you so so bottom end, but bolistic top-end power... Anyone buying a TZ will be very happy and should have no problems racing against any legal .12 motor on any size track...

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Old 08-01-2005, 01:51 AM   #570
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Ran the OS on Sunday in 20 min final. It seemed to get richer as the final went on and I had to lean it out to stop it stalling when braking.

Anybody have this problem?

It was faster than the megas
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