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Old plugs in boat, Do I need to adjust anything?
https://www.smwebhead.com/phpBB3/viewtopic.php?f=2&t=12081		 Page 1 of 1
Author:  Toddely [ Tue Jul 30, 2013 7:07 am ]
Post subject:  Old plugs in boat, Do I need to adjust anything?
Hey all, Just tuned up the boat last night. New Plugs , new dist cap and rotor button. The dist cap was corroded bad and there was hardly anything left of the rotor button. I am hoping this would be the cause of robbing some power.Wanted to know what some of you guys think as far as if I need to adjust anything on the carb, too lean or too rich. Let me know what you think.
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Author:  LouC [ Tue Jul 30, 2013 7:50 am ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
Since the rest of the ignition system was in bad shape you were not getting a hot spark to those plugs. You can leave the carb as is, run it a few times and then re- check. They look pretty much the same as mine do even with the carb set right. A little rich is better than too lean for a marine engine.
Author:  Toddely [ Tue Jul 30, 2013 7:56 am ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
ya the plugs looked very consistent. Dirty but consistent. After looking at the Rotor button and Dist , I was surprised the thing ran as smooth as it did, It just felt like I wasnt getting all the power I should. Hoping this was the culprit.
Author:  pickledboater [ Tue Jul 30, 2013 7:53 pm ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
A new set of ignition wires will do a lot for you as well. Might as well change them, if you've got one end unplugged you are half way there!!!!!
Author:  Toddely [ Wed Jul 31, 2013 7:09 am ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
Ya I was thinking about that, the wires are stainless and looked good, thought I would see how she runs with the new plugs and cap, then decide. What do Marine plug wires run price wise?
Author:  deafwish [ Thu Aug 01, 2013 4:14 am ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
Hi Todd,

How many hours on your 5.7GL?
Did you go OEM for the cap & rotor, or aftermarket?
May I ask what this cost you? :wink:
Author:  Toddely [ Thu Aug 01, 2013 7:06 am ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
I have 489 hours on the ol girl. I went with Quicksilver Cap and button, and NGK Plugs. I think it was around $65 for all of it. The cap was $35 of the $65, I cant remember what the exact cost of the rotor button and the plugs.
Author:  deafwish [ Thu Aug 01, 2013 4:05 pm ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
Cool, thanks.
You have almost double the hours on mine!
I'll check my cap over the weekend... :wink:
Author:  rpengr [ Thu Aug 01, 2013 6:36 pm ]
Post subject:  Re: Old plugs in boat, Do I need to adjust anything?
I had 340 when I bought the boat 1 year ago, and 430 now. I would be happy if I can pass 500 by the spring time :D

I wonder who has the most hours? I think I will start a thread about that:
http://www.smwebhead.com/phpBB3/viewtopic.php?f=2&t=12095

Ray
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