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Old 05-05-2010, 12:56 PM   #1
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Default Standard pulley size for JRSC M45

Hi, can anyone tell me the standard nose pulley size that tha JRSC M45 kits come with, standard kit, not the big boost?

Thanks,

Jim
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Old 05-06-2010, 11:55 AM   #2
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TDR has a good nose pulley RPM chart

http://www.trackdogracing.com/websit...lley_chart.htm
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Old 05-06-2010, 01:25 PM   #3
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Quote:
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TDR has a good nose pulley RPM chart

http://www.trackdogracing.com/websit...lley_chart.htm
Thanks for the tip, I have already been looking at that, I am planning on ordering new pulleys, but I want to know the stock pulley size so I know what ratios they run. I guess I'll just have to wait til my M45 arrives.
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Old 05-06-2010, 02:24 PM   #4
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Quote:
Originally Posted by jimj64 View Post
Thanks for the tip, I have already been looking at that, I am planning on ordering new pulleys, but I want to know the stock pulley size so I know what ratios they run. I guess I'll just have to wait til my M45 arrives.
Sorry, I'd say that the stock is 77,5 mm. I can measure when I get to my car on saturday.

Andreas
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Old 05-07-2010, 01:24 AM   #5
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Quote:
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Sorry, I'd say that the stock is 77,5 mm. I can measure when I get to my car on saturday.

Andreas
that would be great, thanks
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Old 05-09-2010, 03:57 PM   #6
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Hi Jim!

As far as I could see, the pulley was 72 mm.

Andreas
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Old 05-19-2010, 12:09 PM   #7
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I always thought it was a 70mm. But then again, the first gen used like a 80 or 85 mm because the crank pulley was smaller. Depends what gen you have.
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Old 05-31-2010, 04:22 AM   #8
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Sometimes it's a 72,5mm pulley (NA models) and other times (usually on NB's) 67,5mm. Hope it helps you. I have a NB and was looking for the 62,5mm pulley.
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Old 05-31-2010, 02:13 PM   #9
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Quote:
Originally Posted by Taiman81 View Post
Sometimes it's a 72,5mm pulley (NA models) and other times (usually on NB's) 67,5mm. Hope it helps you. I have a NB and was looking for the 62,5mm pulley.
My kit arrived, it's for an NB, and has a 67.5mm nose pulley.
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Old 06-05-2010, 07:26 PM   #10
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I'd just call Gary.
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