Damper Plate |
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OverMyHead ![]() Grand Poobah ![]() ![]() Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
![]() ![]() ![]() ![]() ![]() Posted: April-15-2018 at 9:13am |
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Looking for a new damper plat for my 87 Ski Nautique with 351 with 1:1 transmission. I am not finding the $100 triangleish shaped one any more. I hate to pay three times that for a roughly equivalent part. Any suggestions on a good source?
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11269 |
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You must be lookin' in all the wrong places
Try this link and you'll have a nickel left over from your hundred ![]() |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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try this |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11269 |
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You'll save some money with the one Duane linked, but you'll expend some time and labor trimming the ears down to the right size.
That's up to you.whether you want the pre trimmed version or you want to do it yourself |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Yes, I trimmed mine but don't remember whether I had to or just wanted to. Starter gear come in on opposite side. Maybe it was gonna hit the bell housing Took 1 minute on belt sander. Guess you could hack saw it off also.
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Keep it as original as YOU want it
1978 Mustang (modified) |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11269 |
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You had to It would hit the bellhousing if you didn't By the way,I hear you're pretty good with metal work ![]() |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Dave,
I did trim the last plate I got and even did it precisely using a tool maker method with layout die and scribing the radius. At the time, I had changed jobs so I didn't have the luxury of running down to the tool room and using the vertical band saw so I went at it with the jig saw. Then the final trim was on the disc sander. Duane, "1 minute" on the sander? What grit did you have on it? 24? ![]() ![]() ![]() |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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36 grit belt. 10" X 48" belt, 5hp 440v 3ph No hobby shop stuff here ![]() |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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Jonny Quest ![]() Grand Poobah ![]() ![]() Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 3032 |
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Duane has serious toys...
"Some day, lad, all this will be yours..." JQ |
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Current
2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Duane, Do you have the taps on your rotary set to 440 for the old 50's motors? |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Pete, Actually have 2 separate 3 ph breaker panels. First one is 220 3 ph straight out of the rotary converter Second panel is 440 3ph and it comes off of a step up transformer (220 - 440) Really simple setup |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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So the rotary is tapped for 220 then for your older motors. |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Pete, Seems to be a little confusion here. Perhaps my terminology is incorrect. I feed 1ph 220v ac current into a rotary phase converter. The converters only job is to generate the third phase of power. That in turn feeds my 220 volt breaker panel. Then I take 220 volt 3ph to the transformer to up the voltage to 440 volt (still 3 ph) that is in turn fed into the 440 volt breaker panel that all my high voltage machinery is hooked up to. Some of my 440 volt motors are fairly new. I prefer 440 because it draws 1/2 the amperage (hence smaller wire size also) as the 220 equipment. I'm certainly not an electrical engineer. That being said I have yet to electrocute myself doing my own wiring.
![]() edit: btw the third or generated leg is always somewhat higher voltage so you have to be careful not to use that leg for the coil in the motor starters Clear as mud now?? |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Did the poor guy that started this post about the damper plate ever get his answer??
Sorry bout this ![]() |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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Gary S ![]() Grand Poobah ![]() ![]() Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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OverMyHead ![]() Grand Poobah ![]() ![]() Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
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Not only did I get my answer (thanks everyone!), But now I am learning about 3 phase 440 wiring. That is one of the things I love about CCfan, it's not the destination, its the journey! Pete, how much gets trimed off? Is there any concern about balance, or if they are within a 1/8th inch of each other are they fine? I would likely start with a metal cutting wheel on an angle grinder and clean up from there. |
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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8122pbrainard ![]() Grand Poobah ![]() ![]() Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Duane, Confusion maybe? ![]() ![]() ![]() ![]() Dave, Once you get the damper and if needed, we can get back on track! ![]() EDIT: Dave, For the diameter of trim, just use the diameter of the flywheel less the ring gear. Don't worry about the balance too much. There's not much material to throw it off. Just get as close as you can. |
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OverMyHead ![]() Grand Poobah ![]() ![]() Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
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Thanks Pete
Based on the half hole visible it appears the $99 version is just a cut down $75 plate. I can easily cut it down very near perfect myself, so long as I cant hurt anything. |
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11269 |
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Just a reminder that you'll have 3 bolts leftover when you're done, since only 3 holes line up on these replacement plates.
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OverMyHead ![]() Grand Poobah ![]() ![]() Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
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Plate is ordered, Now I need to order some warm weather. We typically average 3" of snow in April. We are over 24" this year and more forecast for tomorrow. Yuck!
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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davidg ![]() Grand Poobah ![]() ![]() Joined: January-07-2008 Location: NW Chicagoland Status: Offline Points: 2239 |
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Dave.....Do you have the transmission taken off yet? Post some pictures of the project. I would find it interesting. Good luck with it.
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OverMyHead ![]() Grand Poobah ![]() ![]() Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
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The boat is still snug in its winter bed. I hope it is a one day job once we get started. Some 60 degree weather might motivate us. Until then there are other priorities. I have had the transmission off before, It was not too difficult, but it was outside of the boat at the time.
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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OverMyHead ![]() Grand Poobah ![]() ![]() Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
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Part is here, Is there a concise set of step by step instructions on this site or elsewhere?
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Once you get it trimmed to fit then you need to bolt it down to the flywheel. There should be a side marked "FLYWHEEL SIDE" Make sure you get it right. Oh, and don't over tighten the bolts and break any off. Locktite the bolts if you want. Small amount of grease or Never Seize on the spline. |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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![]() |
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Duane in Indy ![]() Platinum Member ![]() ![]() Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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I got some long 7/16" bolts and cut the heads off and screwed them into the bellhousing to use as guides when sliding the tranny back into place.
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Keep it as original as YOU want it
1978 Mustang (modified) |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11269 |
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Here's a set of instructions for ya
![]() Remove the motor box and the rear floor piece Disconnect the battery Remove the starter Remove the wires from the Neutral Safety Switch Disconnect the shift and throttle cables Unbolt the coupling and slide the shaft back as far as it will go Unhook the water hoses from the transmission cooler, leave the oil lines hooked up and unbolt the cooler bracket from the bellhousing. The cooler will stay with the transmission. Loosen the pinch bolts on the front motor mounts so the engine can pivot on the mounts. Make sure the bolt is loose and not still tight when the nut is backed off. Leave the rear mounts hooked to the transmission and remove the mounting fasteners from the stringer/cradle. It's a little heavier this way but it's easier to wrestle the transmission around with the mounts on it. Unhook the exhaust hoses wherever it's the easiest for you..Depending on the hoses it might be easier for you to remove them as the engine is being raised Raise the rear of the engine with a bottle jack under an exhaust manifold or use a hoist or whatever other lifting means you have till the engine is about level and block it so it can't fall and ruin your day. Unbolt the transmission from the bellhousing. You probably have 2 bolts and 4 studs holding it on. Slide it backwards till it;s off the studs and set it on a piece of plywood where the rear floor panel was. To me it's easier this way than taking the bellhousing off at the same time Now unbolt and remove the bellhousing, don't forget the little bolts holding the splash shield to the bellhousing Unbolt the old damper Bolt the new one on Some people will tell you to tighten the bolts now, some will work thru the starter hole with a crow's foot, u joints etc to tighten them after the transmission is installed and some drill a hole in the bellhousing to tighten the bolts after the transmission is installed. It's your call here on what you want to do. Grease up the female splines Bolt the bellhousing and splash shield back on. Some people bolt the bellhousing to the transmission and install the whole thing at once but it's a whole lot easier to wrestle the 125 or so pounds into place when you can slide the transmission on the 4 studs to get the shaft into the splines. Slide the transmission into place (sounds so easy but you may have to rotate the shaft some to get the splines lined up along with a little lifting. That's why sliding it on the 4 studs is easier. And if you don't have studs, then do what Duane mentioned in the previous post. From here you're just reassembling in reverse order and if you have corrugated exhaust hoses it's easiest to hook them up again as the engine is being lowered. And..........don't forget to check the alignment or somebody named Pete will be all over you ![]() I figure somebody will come along and tell you how they did this or that different but this works pretty smoothly with the least amount of wrestling involved.. |
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OverMyHead ![]() Grand Poobah ![]() ![]() Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
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This is perfect. Thank you for taking the time to create. I assume I can simply dump out the trans fluid during the process and refill with fresh, rather than sucking it out at a different time.
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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KENO ![]() Grand Poobah ![]() Joined: June-06-2004 Location: United States Status: Offline Points: 11269 |
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I'd still suck it out either while it's on the engine or while sitting on the piece of plywood on the floor. It;s the least messy and easiest way to do it. Make sure the suction piece going into the transmission is metal and long enough that you can't lose it in the transmission like some people have done
![]() No oil side lines get undone during the process and the strainer where the return line taps in is much more trouble than it's worth to remove it. It only catches BIG chunks of stuff. |
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