Need Help With Tuning My Mod Sled - Snowmobile World : Your #1 Snowmobile Forum
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post #1 of 3 (permalink) Old 11-11-2002, 09:06 PM Thread Starter
Join Date: Nov 2002
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i bought a union bay 1000 motor it runs at 8900 260 h.p im lost with the tuning on this the sled is all lightened up i want to use it for 1000 ft speed runs and then summer asphalt please help if you can thanks the motor is in a 97 mach chassis skidoo
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post #2 of 3 (permalink) Old 11-12-2002, 10:19 PM Thread Starter
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post #3 of 3 (permalink) Old 11-14-2002, 09:36 PM
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Location: Stanchfield, MN
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Before you even start tuning I would think about the chassis first. If the engine has 260 hp, the stock motor mounts and mounting are not going to be enough. I would call Union and get a general jetting and clutching suggestion from them to start. I would always jet real rich till you can get a base line.
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