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Old 06-22-2010, 12:51 PM   #1
Lt. JG
Join Date: Jun 2010
Location: winnipeg,canada
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Default Tune-up on 1995 7.4L 454

Purchasing 1995 2700scr 454 Mercruiser 7.4L. What sould i do for tune-up? Previos owner only changed fluids. I,m guessing points,plugs,wires,rotor,cap,timing.What else? Have to invest in manuals. What should dwell,plug gap,timing and vacuum be at? Thanks

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Old 06-22-2010, 02:07 PM   #2

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Join Date: Nov 2005
Location: Everett Wa
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i'm not sure off the top of my head but all that data will be in a good engine manual....don't forget to change all the fluids oil/engine etc and their associated filters and the impeller to the raw water pump...

since the PO didn't do anything other than fluids..I'd imagine that's pretty much shot..

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