Another Diagnosis
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Another Diagnosis

  1. #1
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    Default Another Diagnosis

    Hey guys, Got towed for the first time this weekend. I would like to make it the last. Im not much of an engine guy other than some basics, so looking for some advice. This might be a little long but I want to try to give all of the details.

    Just got this boat with a stock 460 ford. Has been running great for 4 trips this year other than some oil coming out of the block at the distributer. My father in law who is a legit mechanic marks the distibutor and block and pulls it to replace the seal. We put it back in at the same marks and fire it up at home. Starts a little rough but I think its just cold.

    Go to the river this weekend, boat fires, but dies several times, idling a little rough, and hiccups out of the carb at idle in the marina. I go out a little and hit it, but something isnt right. Takes twice as long to plane out and im only getting 4000 RPMs rather than the usual 4500. I drive about 3 miles and it hiccups again as were cruising. Doesnt die and runs pretty consistant, but feels like its lagging and still not getting over 4000 RPMS.

    At this point I think timing must be off. I dont have a timing light but have the marks from when we pulled the distributor as a start point, so I advance it slightly. RPMs at idle go from about 400 to 600. Seems to idle a little smoother. We take off and still not planing as quick as normal, but after getting on plane i get the full RPMs so I figure we are close enough for now and I just need to pin down timing when I get home. Head over to a beach, park it for a couple of hours and then it doesnt start again. Checked spark off of 2 different plug wires and get nothing. Then get towed in.

    I am told this is a GM style HEI pro comp distributer. (google doesnt provide many good reviews of the pro comp distributor)

    Was my ignition starting to fail and then just took a shit when I adjusted the timing? There are a couple wires going into it that are connected, but done feel tight, and the wire housing is resting right against the distributor.

    Any suggestions are appreciated.

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  3. #2
    Senior Member Luckie Stiff's Avatar
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    Quote Originally Posted by Laser23 View Post
    I am told this is a GM style HEI pro comp distributer. (google doesnt provide many good reviews of the pro comp distributor)
    There's your answer ditch that thing and get an MSD ready to run dizzy.
    "Don't you realize that there are already enough people in the world to hate without you putting in so much effort to give me another?"

  4. #3
    Senior Member Fonz69's Avatar
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    Well the "legit" mechanic should have stuck a timing light on it when it got set back in for starters.

    The Ford guys here might have some ideas, but look for the simple things first like check all your plug wires and make sure they are clicked in all the way and the firing order on your cap or any wires you took off or if you did not take any off and maybe pulled a wire loose in a boot?

    Make sure the cap it seated all the way and not up higher on any side....

    Those wires coming out of it you mention make sure they did not get pulled loose inside or rubbed bare and going to ground somewhere.

    I think it comes back to the timing thing when you pulled the dizzy

    Beg, borrow, buy or steal a timing light cause your going to need one now

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    Senior Member Fonz69's Avatar
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    Quote Originally Posted by Luckie Stiff View Post
    There's your answer ditch that thing and get an MSD ready to run dizzy.

    yep cant beat a MSD

  7. #5
    Senior Member scottietwohoty's Avatar
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    Does it have points? If it does you might have fried the points. Get the electronic conversion and don't look back.
    It's only as good as you make it!!

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    It is electronic. I guess I was just wondering if this is common with this distributor, or if I should also look at another cause?

  9. #7
    Senior Member Luckie Stiff's Avatar
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    Quote Originally Posted by Laser23 View Post
    It is electronic. I guess I was just wondering if this is common with this distributor, or if I should also look at another cause?
    It is common for that dizzy to not work, the fact that you even got it to work at all is a lot more than some folks. Ditch the Pro Crap and pop in an MSD or Mallory unit. You'll be glad you did.
    "Don't you realize that there are already enough people in the world to hate without you putting in so much effort to give me another?"

  10. #8
    Boat Nut sleekcrafter's Avatar
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    Another choice would be the DUI M32820 Ford 351C-400M-429-460



    http://www.performancedistributors.com/index.html
    Upper Midwest Power Boat Association
    DRAG BOAT RACING UMPBA #926


  11. #9
    Senior Member jet460's Avatar
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    Quote Originally Posted by Luckie Stiff View Post
    It is common for that dizzy to not work, the fact that you even got it to work at all is a lot more than some folks. Ditch the Pro Crap and pop in an MSD or Mallory unit. You'll be glad you did.
    X2

    MSD box, dist, coil.
    Gap plugs at .050. and run it.

    Misfires will be a thing of the past.

  12. #10
    What the Hell is That? 72Hondo's Avatar
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    Default First things first

    Main thing I see wrong is your dizzy is in the front of the motor! J/K

    Pick up a timing light! second everytime you pull a dizzy check it with a light!

    If your set on keeping your current dizzy check all the connections. A wire may have come loose somewhere during the seal change.
    Quote Originally Posted by Kyle View Post
    Log off and go float, hang in the party coves, Show and shine on the trailer, fill up the boat, wax it, v-drive, jet, outdrive, and if you got a canoe and your reading this, you sir, need to phucking upgrade.

  13. #11
    Senior Member lbhsbz's Avatar
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    Quote Originally Posted by Laser23 View Post
    My father in law who is a legit mechanic marks the distibutor and block and pulls it to replace the seal. We put it back in at the same marks and fire it up at home. Starts a little rough but I think its just cold.

    .

    I'll bet he didn't remove the cap when he did this. The distributor turned a bit due to the helical cut gear when he pulled the dist. out, then went back in exactly one tooth off.

    As far as the Procomp haters....I've had better luck with the Procomp stuff than I have with MSD (My Spark Disappeared). If you have no spark at all, it's very possible that you've got a bad distributor. Check all your powers and grounds. I'm assuming this is a Ready to Run distributor with an external coil. If you've got power to the coil + and continuity between the coil - and the distributor, then it's safe to assume that you've got a bad distributor, or a bad coil.
    Last edited by lbhsbz; 06-15-2010 at 11:04 PM.

  14. #12
    Living in a cage of fear thatguy's Avatar
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    Quote Originally Posted by lbhsbz View Post
    I'll bet he didn't remove the cap when he did this. The distributor turned a bit due to the helical cut gear when he pulled the dist. out, then went back in exactly one tooth off.
    X2
    Tommy
    Quote Originally Posted by Rexone View Post
    Tommy please remove all Jimsplace quotes from your sig and don't put more back. He doesn't like it and it is against the rules. Thank you.
    "So as through a glass, and darkly
    The age long strife I see
    Where I fought in many guises,
    Many names, but always me."

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  15. #13
    Senior Member Brendellajet's Avatar
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    Sounds like coil died and distributor could be off a tooth. Make sure coil is wired properly and check for spark again. If no spark still, replace. Yank distributor and verify that it is indexed properly. Set timing with a light.
    "He is a lover, not a fighter. But he's also a fighter, so dont get any ideas."

  16. #14
    Senior Member Marcsrollin's Avatar
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    Check to make sure you did not shear a dist gear roll pin.
    No matter how good she looks , someone is tired of her shit!

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