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Old 08-12-2012, 08:13 AM   #2506
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I have ran the CSO and am currently using the Arrow max. Quality is identical, weight is the same (same weight as the original pulley set) pricing is similar (i think?).
I have only used the optional Mugen rubber belts. Keep in mind these are qualifying belts and not intended for hours of use. They do free the car up.
I am wondering with what tire diameter are you setting up your mrx5??
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Old 08-12-2012, 07:36 PM   #2507
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I am wondering with what tire diameter are you setting up your mrx5??
The 5 as well as the 4 and the 3 have always produced the quickest lap times when the rears are around 73mm. FORGASS runs 7 minute qualifiers plus a three minute warm up. So from the first lap on the track till the end of the main I record my tyre wear and cut accordingly so that half way thru my tyres should be close to 73. Split stays at 7.5mm so I'm just under a 1to1 drive ratio. The 5 has really surprised me at maintaining a split.
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Old 08-13-2012, 05:03 AM   #2508
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Hi guys I'm looking for a 198mm RPP3 belt for my pan car. Can anyone tell me if the mugen mrx5 belt is 198? Accordingly to the 3mm pitch, the belt should be 66 teeth; is this the case?
Thank you very much.
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Old 08-13-2012, 02:30 PM   #2509
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The 5 as well as the 4 and the 3 have always produced the quickest lap times when the rears are around 73mm. FORGASS runs 7 minute qualifiers plus a three minute warm up. So from the first lap on the track till the end of the main I record my tyre wear and cut accordingly so that half way thru my tyres should be close to 73. Split stays at 7.5mm so I'm just under a 1to1 drive ratio. The 5 has really surprised me at maintaining a split.
so is it better to use a 66/73 tire diameter to set up the car??
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Old 08-13-2012, 06:26 PM   #2510
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so is it better to use a 66/73 tire diameter to set up the car??
Set up what?
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Old 08-13-2012, 08:28 PM   #2511
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Originally Posted by MugenDrew View Post
Set up what?
I think he is looking at starting point
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Old 08-13-2012, 11:13 PM   #2512
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Set up what?
ride height...
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Old 08-13-2012, 11:14 PM   #2513
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I think he is looking at starting point
that's it
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Old 08-14-2012, 10:18 AM   #2514
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AHHH HAAA!
Brand new track that I have never ran I'll set the car up on 76/68.5, rear ride hieght at 7mm front ride hieght at 6mm. Run the car 5 minutes at a time then rotate tires. When the chassis starts to drag stop running and measure the tyres diameter. Use this and the above info to figure ride hieght for the qualies and the main based off of tyre wear. I like to leave an extra millimeter of ride hieght in the car for the main if I can. Its really nice to be the guy with rubber to spare at the end of a race. Remember two milimeters of tyre diameter is only one milimeter of ride hieght.
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Old 08-15-2012, 09:15 AM   #2515
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AHHH HAAA!
Brand new track that I have never ran I'll set the car up on 76/68.5, rear ride hieght at 7mm front ride hieght at 6mm. Run the car 5 minutes at a time then rotate tires. When the chassis starts to drag stop running and measure the tyres diameter. Use this and the above info to figure ride hieght for the qualies and the main based off of tyre wear. I like to leave an extra millimeter of ride hieght in the car for the main if I can. Its really nice to be the guy with rubber to spare at the end of a race. Remember two milimeters of tyre diameter is only one milimeter of ride hieght.
Thanks guys for the info ..unfortunately in Greece this category is due to eliminate so I do not have records from real race only practice... most of the times in dirt enviroment without timer..
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Old 08-15-2012, 07:21 PM   #2516
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what are the factory side pulley numbers
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Old 08-15-2012, 07:48 PM   #2517
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what are the factory side pulley numbers
28 or 29 .. and 18
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Old 08-24-2012, 07:02 AM   #2518
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Below is JJ Wang's China National Champion setup:

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Old 08-24-2012, 05:17 PM   #2519
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Below is JJ Wang's China National Champion setup:

Rick what are the track dimensions
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Old 08-24-2012, 08:09 PM   #2520
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I'm not Rick. He's rwang, try PM'ing him for the track dimensions.
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