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PCM leaded fuel suggested? |
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76 Ski Tique 
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Joined: July-23-2008 Location: United States Status: Offline Points: 140 |
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 Topic: PCM leaded fuel suggested?Posted: July-29-2008 at 12:47am |
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I am looking at a pcm 302 from 1975 that says it is recommended to run leaded fuel only. what can i do the guy i am considering buying it off said that it is fine to run unleaded and it only has to do with the valve seats. i am ignorant on the subject so any and all advice is welcome. thanks!
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B.O.A.T- bust out another thousand
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: July-29-2008 at 7:38am |
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Caleb, The seller is correct. There isn't anything that will provide the lubricity that the old lead did. Run it and when the time comes to do a top end job put in the hardened goodies for the unleaded.
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horkn
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Joined: September-10-2007 Location: Cedarburg, Wi Status: Offline Points: 1511 |
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Posted: July-29-2008 at 12:41pm |
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yep, My 78's was supposed to have been changed to seats for use with unleaded. I don't think they were, and it ran fine for years that way.
Now I have hardened ones since I went with the gt40p heads... |
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78 martinique- refloored, reinforced, stringers re glassed, re engineered interior
GT40P heads Edelbrock Performer intake acme 4 blade http://img.photobucket.com/albums/v64/horkn/fish/nautique.jpg |
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74SkiNautique
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Joined: July-29-2008 Location: Lynchburg, VA Status: Offline Points: 228 |
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Posted: July-29-2008 at 3:24pm |
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You need to add lead substitute to your fuel. You can buy it at Walmart. I have a '74 Ski Nautique, and woulnt dare run it w/o leaded fuel. |
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74SkiNautique
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k.o.
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Joined: January-11-2008 Location: Aruba Status: Offline Points: 363 |
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Posted: July-29-2008 at 3:43pm |
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maybe a dom question but what does the unleaded fuel do to the engine that the recomend leaded??
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79nautique
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Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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Posted: July-29-2008 at 3:47pm |
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WROMG BIG waiste of money doing that on top of it not being very ECO friendly to the water. |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: July-29-2008 at 3:51pm |
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Chris, Billy Mays has even got it priced better than Walmart. |
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76 Ski Tique
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Joined: July-23-2008 Location: United States Status: Offline Points: 140 |
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Posted: July-29-2008 at 6:54pm |
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thanks guys! you are all a huge help! i really appreciate it. hopefully it wont be long now.
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B.O.A.T- bust out another thousand
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74SkiNautique
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Joined: July-29-2008 Location: Lynchburg, VA Status: Offline Points: 228 |
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Posted: August-01-2008 at 4:59pm |
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I just called Billy Mays, and he said he can't beat Wal-Marts price...and hung up on me!
P.S.-It looks like he's gaining weight, I think I am a little worried about him. |
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74SkiNautique
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76 Ski Tique wrote: