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exhaust timing

OS 40fsr

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Hangar 9 nut08/07/2015 19:47:17
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243 forum posts
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Can anyone tell me or point me in the right direction to find out the exhaust port timing on an OS 40fsr I have found a table for length on the Bolly site but need timing for exhaust port !

Thanks in advance !

Steve Dunning08/07/2015 20:24:24
324 forum posts
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I'll measure the pipe length on my OS 45 FSR if it's any help. On a Purple Pipe it runs very sweet with flexible performance in my Supra Fly 45.

Steve

Hangar 9 nut09/07/2015 13:54:29
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243 forum posts
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Thanks Steve I will be putting a purple pipe on it so your info would help !

Steve Dunning19/07/2015 11:41:44
324 forum posts
186 photos

Hi Tony

Length of manifold is 217mm, just as it came from Weston UK.

Steve

Hangar 9 nut19/07/2015 18:47:24
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243 forum posts
25 photos

Thanks Steve I will be doing some tests next week !

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