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Head Work..Exhaust port polishing

Vectorboost

Extreme
Joined
Jan 16, 2014
Messages
72
Location
Saratoga, Minnesota
Country
USA
Snowmobile
06 vector mcx turbo
Alright guys here is the scoop, blew the head gaskets out of my 06 vector mcx turbo .. Sent the head off to be checked , didnt pass leak down test on exhaust valves on center cylinder are leaking. Having a 3 angle valve job done and head is being decked to insure its true.. This is a 973cc motor Running stock compression which is 11:3:1.... 7 ibs of boost. thinking about polishing exhaust ports while off .. Gains???? Any other advice?
 

i do not know if anyone has done port work on that motor. cannot hurt to polish the exh ports in any case.
 


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