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Old 08-11-2008, 09:30 AM   #1
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Default Orion CRF 2008: Shimming for 25% Nitro...

Just got myself an ORION CRF 2008 and seems like a fine motor after running in.

Wanna check with you guys if the CRF 2008 should come default with 0.3 or 0.4mm of shims? The exploded view in the manual shows one 0.2mm and one 0.2mm shim (total of 0.3mm) but my CRF came with 2x0.2mm shims. So what is the correct amount of shims?

If I am running 25% nitro at sea level, should i run 0.3mm or 0.2mm of shims? Any inputs from you guys?

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Old 08-11-2008, 10:31 AM   #2
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Quote:
Originally Posted by katze View Post
Just got myself an ORION CRF 2008 and seems like a fine motor after running in.

Wanna check with you guys if the CRF 2008 should come default with 0.3 or 0.4mm of shims? The exploded view in the manual shows one 0.2mm and one 0.2mm shim (total of 0.3mm) but my CRF came with 2x0.2mm shims. So what is the correct amount of shims?

If I am running 25% nitro at sea level, should i run 0.3mm or 0.2mm of shims? Any inputs from you guys?

For all Picco engines you need 0.4 mm for 16% and 0.5mm for 25-30%
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