351 problems...

OneBadNotch · November 24th, 2009, 05:51 PM

ok, i know this is kinda off subject on the forums, but i need all the help i can get with this. And i figure i would ask ya'll and maybe ill get a answer. To start off, I have a 1988 Ski Nautique that has a 351 windsor in it. Now there isnt much different between the marine engines and the regular 351. But for the past year i have had a problem with the boat after it warms up. For some reason after about 30 minutes of driving, it wants to sputter out and die on me. Then i can wait for about 15 minutes, and it will crank back up. But it'll die again after about 5 minutes when its warm and just keep on doing it. I have blown out all the fuel lines, changed the fuel filter, checked the distributor, and it has a holley carb on it (which has a filter inside the big nut on the fuel lines) and even checked and changed that one. And i have checked all the ignition wires. I thought maybe it was vapor locking, but the exhaust manifolds dont get hot enough in the marine engines to do that. Any ideas would be GREATLY appreciated.

C MY 4D · November 25th, 2009, 09:22 AM

you'll get more help in the fox forums...

86er · November 25th, 2009, 10:20 AM

what kind of distributor is on it. Have you checked the coil after it gets hot. Heat acts like resistance in circuits. could be fine while its cold, but once it gets warm is where the problem lays. do you have a dmm?

uedlose · November 26th, 2009, 10:01 AM

yea the first thing you need to find out is it spark or fuel. when it shuts off check it for spark. start with the basics first then move on

dr.gonzo! · November 26th, 2009, 10:28 AM

Mine used to do this, except I am fuel injected. Does your distributor have a pickup coil in it?

November 24th, 2009, 05:51 PM	#1
OneBadNotch Regular 1990 lx Join Date: Jun 2009 Location: Jonesboro,GA Posts: 121 iTrader: 0 reviews	351 problems... ok, i know this is kinda off subject on the forums, but i need all the help i can get with this. And i figure i would ask ya'll and maybe ill get a answer. To start off, I have a 1988 Ski Nautique that has a 351 windsor in it. Now there isnt much different between the marine engines and the regular 351. But for the past year i have had a problem with the boat after it warms up. For some reason after about 30 minutes of driving, it wants to sputter out and die on me. Then i can wait for about 15 minutes, and it will crank back up. But it'll die again after about 5 minutes when its warm and just keep on doing it. I have blown out all the fuel lines, changed the fuel filter, checked the distributor, and it has a holley carb on it (which has a filter inside the big nut on the fuel lines) and even checked and changed that one. And i have checked all the ignition wires. I thought maybe it was vapor locking, but the exhaust manifolds dont get hot enough in the marine engines to do that. Any ideas would be GREATLY appreciated. __________________ 1990 LX 5.4 coming soon

November 25th, 2009, 09:22 AM	#2
C MY 4D Billy Weston 2003 Cobra 11.14@124.36 Join Date: Aug 2006 Location: Hampton, VA Posts: 4,806 iTrader: 8 reviews	you'll get more help in the fox forums... __________________ TT Build in progress....... Need work done to your car for a great price in Hampton Roads? Shoot me a PM.

November 25th, 2009, 10:20 AM	#3
86er I Post Entirely Way Too Much Join Date: Nov 2006 Location: Memphis, TN Posts: 7,626 iTrader: 0 reviews	what kind of distributor is on it. Have you checked the coil after it gets hot. Heat acts like resistance in circuits. could be fine while its cold, but once it gets warm is where the problem lays. do you have a dmm? __________________ Just a truck 5.4 3v: 264hp 317ft lbs rock stock The "search" button, its not just for porn piecing together the next project faster than your first sexual experience

November 26th, 2009, 10:01 AM	#4
uedlose Regular 89 Mustang Join Date: Oct 2008 Location: Middle Way WV Posts: 184 iTrader: 0 reviews	yea the first thing you need to find out is it spark or fuel. when it shuts off check it for spark. start with the basics first then move on __________________ Just another turbo Mustang..No dyno numbers just good ets and MPH. And yes it is fast for a street car. few parts for sale https://docs.google.com/document/d/1...l=en_US&pli=1#

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