CAN-AM (BRP) Discussions about CAN-AM ATVs.

450 CAMS

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Old Jul 2, 2003 | 04:49 AM
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Who is running the 450 lift Woods cams? What had to be done to run this cam? I understand that some valve relief may need to be cut deeper. Who has a builder that can install bigger valves at a good price?
 
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Old Jul 2, 2003 | 09:55 AM
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doesn't ds mike run those?
 
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Old Jul 2, 2003 | 01:01 PM
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i put in the pami 490 race cam, report soon!!
 
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Old Jul 2, 2003 | 02:42 PM
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Jeff did you have to grind out the valve reliefs on the piston? Are you running shim under bucket?
 
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Old Jul 2, 2003 | 03:46 PM
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yes shim under, robertson cycle is doing the machine work mark 402-331-0854 on the rest. he can do it all!!
 
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Old Jul 2, 2003 | 03:49 PM
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Default 450 CAMS

hurycne the pami 760 12.1 piston is dished out enough for valve clearance, not sure what piston you are running?
 
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Old Jul 2, 2003 | 03:51 PM
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That is music to my ears
 
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Old Jul 2, 2003 | 03:52 PM
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I was needing to know if I need to shorten the buckets
 
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Old Jul 2, 2003 | 05:17 PM
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I just sent my head down today to have RW port it, but not enlarge the valves. Based on their suggestion I am planning on putting the 450 cams in becuase I like running the hill at Sand Mt. in NV. They will also be putting in valve springs and I am running an 11.5:1 piston. Elliott did not mention of any problems I may have with running these cams with my mods. I'm beginning to wonder if I am bitting off more than I can chew at this time. Any help would be much appreciated.
 
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Old Jul 2, 2003 | 05:40 PM
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you might want to try a higher compression piston while you are in there, i have that set up with the a-1 cams and i think it doesn't pull the top of the hill as well as it should, it is fast but get a bad start and you can lose to a stock engine, with the right gears. might want to try a 14 front with those tires. it should fly on the flat though.
 
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