SoCal Jet Boats
Tech Talk => Engine Mechanical / Electrical => Topic started by: illumicon1 on April 22, 2009, 09:45:51 PM
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I've got an '82 Nordic with a 455 OLDS and I need to get ready for summer. I need to do an oil change, new sparkplugs, wires. What is the best oil to use? Sparkplugs (including gap)? How would I match up a set of wires and what would be the best? I bought the boat last year in Tuscon, AZ. and only ran once at Silverwood before taking home to Missouri. I noticed that a few of the wire boots melted. Any help?
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First off, welcome to SOCAL!
On the oil question...sort of left it open ended, what temp does the motor run (does it have a stat?)
If it runs nice and chilly I would stay with say a 40 wt racing oil (for the added zinc content).
As far as wires, depends on your budget, seriously, if you want a set of wires that will be the envy of everyone around, buy some Jacobs ceramic boot 8MM wires, they will last virtually forever, but plan on using a nut to purchase.
As far as bang for the buck, pick up a set of Taylors, they come in a bunch of colors and can be custom cut to length, I use both Jacobs and the Taylors, both very nice wires...Stay away from the parts house brand wires though...use;Belden, Taylor, MSD, Jacobs, Accel, Mallory and so on, it's what they do.
Spark plugs, ACDelco, Nippon Denso and NGK are all I have used, all are great, if you use ACDelco, use the marine version (they are plated and don't rust as easily)..
If an electronic ignition .040-.045" (must all be the same) if a point deal .035"
The heat range would depend on the type of ignition system...not to mention head type.
GT
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thanks, excellent info. Trying to get some pics posted.