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p/allen 
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Joined: March-14-2006 Location: Dixon Illinois Status: Offline Points: 942 |
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 Topic: Q and APosted: November-16-2006 at 11:32pm |
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Once had an asphalt paver that had a 4 cyl continental. It was running bad and couldnt figure it out we were doing tests and had the distributor cap off and it ran on 2 cylinders we also ran it on 2 cylinders with the cap on and the rotor out . Couldnt figure out why . Any suggestions?
Pat |
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81nautique
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Joined: September-03-2005 Location: Big Rock, Il Status: Offline Points: 5767 |
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Posted: November-16-2006 at 11:31pm |
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Doc,
It wasn't a statement it was a question, guess the whole thing just sounds a little hard to believe but I'm not calling you a liar. |
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boat dr
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Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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Posted: November-16-2006 at 11:25pm |
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P/allen was holding good oil pressure,low press.buzzer was not on at idle either. oil flow to the rod is the last place it goes.
81,that statement to me dont make sense,no piston,no suck,no piston no blow. what would push the oil out the valve.splash would be an issue but there was no oil slick in the water,nor in the y pipe while doing the repower. how did it pa$$ the test run,ask Stillwater,they did not ask for the core all they wanted was the shipping container..........go figure........boat dr |
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81nautique
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Posted: November-16-2006 at 10:32pm |
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Wouldn't it be pushing oil out the exhaust valve.
Sounds like a tall tale there Doc, I'm not a believer yet. How the heck does that get test run and pa$$. 
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p/allen
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Joined: March-14-2006 Location: Dixon Illinois Status: Offline Points: 942 |
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Posted: November-16-2006 at 10:21pm |
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How was there any oil presure without a rod holding in the oil?
Pat |
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boat dr
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Posted: November-15-2006 at 12:24pm |
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PLBC, you win the door prize,that one cost me in frustration and time.Send me your cell # and will call you on the next " problem child " that rolls down the drive.......
move to the front of the line Kurt F |
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Nautique2001
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Joined: June-14-2004 Location: Massachusetts Status: Offline Points: 2832 |
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Posted: November-15-2006 at 12:22pm |
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Kurt, you were basically right. Nice job!
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M3Fan
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Joined: October-22-2005 Location: United States Status: Offline Points: 3185 |
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Posted: November-15-2006 at 12:18pm |
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Must be the advance. Missing the vaccuum hose if it is a vac advance, missing the weights if mechanical?
EDIT - Posted too late. I figured since the engine was tested prior to ship it wouldn't be something like a piston. |
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boat dr
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Posted: November-15-2006 at 12:16pm |
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Ran a compression test on all cyl. #1 thru #7 all 175 lbs. # 8 hardest one to get to,ZERO let me repeat 0000000.what was wrong with this picture????? removed the head,no rod no rings no piston,good reason to be down on power,and that explains the Funny idle...............boat dr
Q C guy had a bad night i guess |
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Nautique2001
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Posted: November-15-2006 at 12:15pm |
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Tachometer causing issues with engine?
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PLBC
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Posted: November-15-2006 at 12:04pm |
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missing a piston?
definitely taking some odd guesses here |
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: November-15-2006 at 11:07am |
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I give, ive spent 2 fricken days on a bad condensor or 2 days on a bad tach feeding back into the coil
electrical is not one of my strong suits |
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"the things you own will start to own you"
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boat dr
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Posted: November-15-2006 at 10:36am |
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Warning;
this is some of those little head aches that boat shops encounter everyday.We dont have a pay check like the rest of you,40 hrs.of labor does not always = a pay check. Sometimes it = A HARD EARNED LESSON,and that will not buy you a loaf of bread,or pay the light bill........... Ilove to see a boat come down the drive..... I get paid when they are repaired,properly.. Eric can you relate to this??????????? boat dr...i spent several hours on this one,M/cruiser flat rated a motor exchange. |
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boat dr
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Posted: November-15-2006 at 10:27am |
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All m/cruiser engines are test run at Stillwater Ok. prior to ship.No red rags,correct plugs,plug wires in order,
this was a real simple one..... it ain't fuel,electrical,camshaft and related parts working properly. Idles funny,at top end no power,almost feels like its MISSING,hint hint missing,Erics KEY word was WELDED,the KEY word is MISSING |
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21109 |
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Posted: November-15-2006 at 10:20am |
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You said electrical and spark are working fine, but were the plug wires on the correct firing order? Right spark plugs?
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eric lavine
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Posted: November-15-2006 at 9:53am |
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Im terrible at jeopardy
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"the things you own will start to own you"
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Munday
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Posted: November-15-2006 at 9:39am |
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Red rag in intake under carb in intake
Munday |
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boat dr
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Posted: November-15-2006 at 9:30am |
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Eric;
this was a real simple one..... it ain't fuel,electrical,camshaft and related parts working properly. Idles funny,at top end no power,almost feels like its MISSING,hint hint |
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eric lavine
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Posted: November-15-2006 at 9:15am |
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why you messin with me this early?
is is that water cooled fuel pump? ask me a tranny question |
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"the things you own will start to own you"
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boat dr
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Posted: November-15-2006 at 8:34am |
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to narrow the search,it is not related to spark or exhaust,
funny idle,it dont sound right |
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eric lavine
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Posted: November-15-2006 at 7:20am |
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Im not up on this stuff and i dont know if they use rev limiters but that would be my guess or you didnt catch that it was a ford motor lol I'll think on the way to work I know the big blocks have rev limiters,
electrical fuel or mechanical? |
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"the things you own will start to own you"
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boat dr
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Joined: June-27-2004 Location: United States Status: Offline Points: 4245 |
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Posted: November-14-2006 at 10:39pm |
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VIP open bow 21 feet,5.7 TBI W/IO .....This is a new boat
motor idles a little funny, not the silkey smooth that they have with 2 hrs. perform PDI,match #'s drive to engine install correct 21 pitch s/s prop fill gear lube tank check engine oil fill with regular fuel 10 gals. check link and sync. of control cables Go to lake for test run and escape for 1 hr. motor will only turn 3500 rpm's this is my third boat boat today,all with the same motor,outdrive,prop,one is blue one is red and this one is green. timing,advance and valve train all working to specs. What did GM do wrong??????????????boat dr eric i solved yours now try mine..... |
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eric lavine
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Posted: November-14-2006 at 9:59pm |
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I like the lag bolt story better, reminds me of that story where the wife unhooked the trailer from the truck and it was still attached to the boat and she could'nt get the boat to go over 5 miles an hour
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"the things you own will start to own you"
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Munday
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Joined: August-17-2004 Location: United States Status: Offline Points: 538 |
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Posted: November-14-2006 at 9:22pm |
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Years ago at my uncle's boat shop,They were working on early chris or century had a loose lag on motor mount.Guy flat rates it puts in longer lag.Customer brings it back says he can't get it off trailor,guess were the longer lag came out?Both sides were about 3/4 inch into the bunks....
I saw the welding ground deal on a trailer axle once really hard on wheel bearings. Nice story Eric Munday |
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boat dr
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Posted: November-14-2006 at 1:28pm |
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Eric;pa$$ing info on this site is a great way to pa$$ time,but how many of us can relate to ;BEEN THERE DONE THAT,WHERE'S MY TEE SHIRT..........
having been in the boating biz for 25 years,i have found out i dont know beans about boats,and as soon as i think i do ,here comes a new twist on an old problem. youth is wasted on the young knowledge on the old...........boat dr |
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eric lavine
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Posted: November-14-2006 at 1:07pm |
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f-in ay boat doc you got it, they welded with the ground clear on the other side of the rails and it jumped the bearings and slightly welded them, you guys figured it quicker than i did,
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"the things you own will start to own you"
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M3Fan
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Joined: October-22-2005 Location: United States Status: Offline Points: 3185 |
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Posted: November-14-2006 at 12:18pm |
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Don't forget, eric specifically mentions that it was something the customer did.
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boat dr
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Posted: November-14-2006 at 12:09pm |
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Eric, the KEY WORD, i think is ,welded all the brackets and the bed rails in place.If the ground is installed (welding lead) in the wrong place,engine, tranny or anything with a rubber mount,the welding machine will find a path to ground.engine bearing,roller bearings do not like this........
the other senario, weld everything ; i repeat weld it good,dont spare the rods, weld it good ...... boat dr |
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The Dude
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Joined: October-19-2004 Location: Houston Status: Offline Points: 1334 |
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Posted: November-14-2006 at 11:52am |
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I'm going with MM...shore power.
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Mullet Free since 93
95 Sport |
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MaddMarxx
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Joined: June-29-2006 Location: United States Status: Offline Points: 1741 |
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Posted: November-14-2006 at 11:47am |
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The shore power was still pluged in
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