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

piston and cams question?

Old Feb 23, 2002 | 08:35 PM
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I am debating putting in a high comp piston and some new cams. What kind of power increase would I see and is it worth it. Any problems with it. If anyone is running these please post what can be expected.

Bat
 
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Old Feb 23, 2002 | 10:24 PM
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Bat if you are not in a hurry wait till you ride the 703 on Mem. day. You won't be dissapointed.
 
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Old Feb 24, 2002 | 12:12 AM
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Isnt the 703 a long way from just a piston and cams? Last time I checked the 703 did not even come with cams just the piston???
 
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Old Feb 24, 2002 | 01:21 AM
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Bat- give me 2 weeks or so and I'll let you know- I'll be curious to see how I do against the 703 on memorial day[img]i/expressions/face-icon-small-happy.gif[/img]-( I won't take you with the nitrous unless I have too) really hope you can make it Vegas. I do believe Jeff has a cam and piston upgrade in the Baja- how's it running Jeff?
 
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Old Feb 24, 2002 | 01:45 AM
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BAT...what happen to...oh im leaving mine stock it's fast enough! Well it sounds like you have cought THE SPEED FEVER my friend!!(LOL)
 
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Old Feb 24, 2002 | 11:23 AM
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Yeah, I have always had the fever, but I just keep debating whether or not I want to go into the engine. But I think I will sooner or later. I just want to find out what kind of gains can be made by changing out the piston and cams, or going to the 703.

I will not be doing anything overnight, so I will most likely wait until I get a chance to ride the sandpig.

Bat
 
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Old Feb 24, 2002 | 11:24 AM
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Oh, and fast never seems to be fast enough [img]i/expressions/face-icon-small-happy.gif[/img]
 
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Old Feb 24, 2002 | 11:55 AM
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Bat, i just installed the rwr stage 2 kit and love it. i was waiting also to see how it does against the sandpig. however i did get to ride the pig and it is fast and smooth. it definitely has more power than just the piston and cams, just how much is what i was wanting to see.
my group consists of three modified banshees(pipes, reeds, carbs,and filters) two modified raptors(pipes gearing and filters)and so far i'm still the fastest.
 
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Old Feb 24, 2002 | 12:50 PM
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Majorecho,
I tried to swap cams and piston at the last moment before going to Sand Mtn last weekend.Well the cams I ordered(race 1) did not come in so Knutz let me have some sport cams for the time being.I put the piston (12:1)in no problem,but after I put the cams in I found I didn't have thick enough shims(was 020 short)...........Rats [img]i/expressions/face-icon-small-disgusted.gif[/img]
So I ran the stock cams and Pami piston w/stock carb.
It ran about 3 bike lengths behind a RW stage 2,it was also running lean and I was already running the biggest main jet I had a dynojet 195.I would have tried moving the clip on the needle,but with a sand and oil (from the breather)stuck to the carb I decided not to take the carb apart.
Jeff


 
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Old Feb 24, 2002 | 03:41 PM
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<< Isnt the 703 a long way from just a piston and cams? Last time I checked the 703 did not even come with cams just the piston??? >>

Yes the 703 does not come with a cam. It also cost more and there is more down time, unless you do the work yourself. It was just my two cents for someone that wants to go faster.
 
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