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Old 08-06-2006, 09:08 AM   #16
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Thanks for all the info.
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Old 08-06-2006, 12:13 PM   #17
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Thanks for all the info.
Wally or me? If me, no problem.
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Old 08-06-2006, 01:10 PM   #18
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About the diameter of the stinger, I am pretty sure that the legal limit for 1/10th gas is 5.0mm and the 1/10th open it is 5.2mm. Anything above that isnt legal. I have run a 7.0mm pipe, and in my opinion it isnt worth it. It turns the car into more of a straightline car. Here are the rules on stinger inner diameter, I just found my roar book.

.12 roar
.12 open 5.2mm
.15 roar/ifmar 5.2mm
.15 open 6.5mm
.21 open 8.0mm
.12 ifmar/EFRA 5.2mm This is what we use in 1/10 touring/200mm as we follow these rules.
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Old 08-07-2006, 01:02 PM   #19
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Wally or me? If me, no problem.
Both.
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Old 08-09-2006, 11:16 PM   #20
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any comments regarding the osspeed 1040 inline pipe? is it durable? how about the power band when used with an osspeed 3 ports engine? thanks
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Old 08-18-2006, 11:17 PM   #21
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any comments regarding the osspeed 1040 inline pipe? is it durable? how about the power band when used with an osspeed 3 ports engine? thanks
Skyline VR 12 PLUS pipe works better than the OS SPEED 1040 pipe
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Old 08-18-2006, 11:49 PM   #22
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Originally Posted by Team Kamikaze
Skyline VR 12 PLUS pipe works better than the OS SPEED 1040 pipe
No not true at all. I have tried both. OS 1040 SC is way better than the VR12 Plus, in terms of quality and performance. I don't have OS speed tuned. I only have a TZ 3 port. It seems to be that OS 1040 gives more torque and similar top end speed. Also, the craftsman of 1040 is superior than the VR 12 Plus.

Also, I suggest a 5mm 1040 instead of 6mm, if you intend to go to race.
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Old 08-19-2006, 04:50 AM   #23
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No not true at all. I have tried both. OS 1040 SC is way better than the VR12 Plus, in terms of quality and performance. I don't have OS speed tuned. I only have a TZ 3 port. It seems to be that OS 1040 gives more torque and similar top end speed. Also, the craftsman of 1040 is superior than the VR 12 Plus.

Also, I suggest a 5mm 1040 instead of 6mm, if you intend to go to race.
How is your fuel efficiency? What the Skyline pipe may lack compared to the 1040 from OS, it makes up with superior fuel efficiency. I'm pretty sure anyone comparing those pipes back to back will notice more runtime with the Skyline pipe. And the difference in the power band is useless if you can't make 5 min on a full tank.
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Old 08-23-2006, 05:46 PM   #24
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what abt the mugen/mielke 2501 pipe compared to the vr12+ or the os 2040?
juz curious, cos i bought one of this to pair it with my OSspeed.

wanted to get the OS pipe, but bought the mugen 2501 cos i'm running an mtx4

anyone ran tis pipe b4?
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Old 08-25-2006, 10:10 AM   #25
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Hey AFM.
I attached some screen shot-should also help
Attached Thumbnails
.12 tuned pipe questions...-s3700054.jpg  
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Old 08-25-2006, 10:39 AM   #26
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Originally Posted by EdwardN
Hey AFM.
I attached some screen shot-should also help
Thanks Edward, that is a nice pipe calculator you've got there....are you thinking on making your own AXIAL pipes???.....mmmmm.....

All steel pipe, eventhough heavier, should theorically be better because resonanse waves more perfect...don't they???

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Old 08-25-2006, 11:19 AM   #27
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Thanks Edward, that is a nice pipe calculator you've got there....are you thinking on making your own AXIAL pipes???.....mmmmm.....

All steel pipe, eventhough heavier, should theorically be better because resonanse waves more perfect...don't they???

AFM
Hey AFM. Why not ?

In the past, many years ago we have tryed to make pipes out of different materials-Hardened Al alloys (similar to 7075 T6), Steel, Titanium, Nikel ( billet made on lathe-took long hours to make one) etc and found no difference. I personaly know only one part of hobby where it is required to use pipe from steel or Ti-it is tether cars-AL pipes bending there due to the very high centrfugal forces.
Our friquency is very low for materials make significant difference in performance
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Old 08-25-2006, 11:48 AM   #28
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Originally Posted by EdwardN
Hey AFM. Why not ?

In the past, many years ago we have tryed to make pipes out of different materials-Hardened Al alloys (similar to 7075 T6), Steel, Titanium, Nikel ( billet made on lathe-took long hours to make one) etc and found no difference. I personaly know only one part of hobby where it is required to use pipe from steel or Ti-it is tether cars-AL pipes bending there due to the very high centrfugal forces.
Our friquency is very low for materials make significant difference in performance
Thaks again...nice info about materials...

What pipe are you currently using which in your experience works out best..... In may case i've found that the best pipe with a nice overall balance and works on almost every engine i've used (Sirio, STS, OS. Novas) is the Mugen Shimo P01002 (efra 2609), just tuning it with different Nova headers (short, medium, long)....

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Old 08-25-2006, 11:58 AM   #29
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Originally Posted by afm
Thaks again...nice info about materials...

What pipe are you currently using which in your experience works out best..... In may case i've found that the best pipe with a nice overall balance and works on almost every engine i've used (Sirio, STS, OS. Novas) is the Mugen Shimo P01002 (efra 2609), just tuning it with different Nova headers (short, medium, long)....

AFM
We tryed almost every pipe on market and end up using JP 2620 an Novas 2630. It is depend on driver preferences, but still around these 2 pipes.
BTW using that pipe calculator I found what will be difference between pipes.
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Old 08-25-2006, 12:15 PM   #30
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Originally Posted by EdwardN
We tryed almost every pipe on market and end up using JP 2620 an Novas 2630. It is depend on driver preferences, but still around these 2 pipes.
BTW using that pipe calculator I found what will be difference between pipes.
Thaks a lot again.....now.... where can I download a usable version of your neat calculator..?? jejejejeje

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