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Discuss Engine Compression Testing in the GENERAL DISCUSSION FORUMS forums; Hello all, could someone tell me what the ideal compression is for a 600 / 800 Liberty engine on a ...
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10-27-2009, 10:05 AM
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 | Engine Compression Testing Hello all, could someone tell me what the ideal compression is for a 600 / 800 Liberty engine on a Polaris Snowmobile. Also what is the recommended way of testing? throttle open, throttle closed, plugs in on the non-testing side or out, and engine warm or cold? How many cranks 6 or until peak pressure reached? Fuel injection - non-fuel injection? |
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10-27-2009, 12:25 PM
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   | Re: Engine Compression Testing Originally Posted by sldnxs Engine hot, throttle wide open, plugs in or out, doesn't matter. I leave 'em out, make sure that the kill switch if off and the key it out as well.
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| The Following User Says Thank You to Modman For This Useful Post: | sldnxs (10-28-2009) |
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10-27-2009, 06:43 PM
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| Re: Engine Compression Testing Mine's about 145 psi but I have a low comp head on mine so I can run reg around home with my ported and piped 800. If I remember right it was 150 in stock form.
__________________ GRIFFIN CREEK BOY 2006 Kawasaki Brute Force 750i 4x4 dynatech cdi, epi clutch kit, muffler mod, 27"swamplites 2006 Yamaha Wolverine 450 stock 2001 Polaris 800 rmk 153"ported track, Struthers ported 03 jugs, slp pipe, slp flowrites, boysen reeds, gutted airbox 2007 31ft Colorado 5th wheel with three slides, rear hitch, 5" lift 2003 Dodge 2500 Quad cab long box 4x4, 4" lift, 5"exhaust, 35" toyo tires, airmax intake, edge ez, lift pump mod, DSG high idle, Pyro, boost, lift pump pressure gauge |
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| The Following User Says Thank You to Cumminsnorth For This Useful Post: | sldnxs (10-28-2009) |
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