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1981 ski tique incident
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reed462 View Drop Down
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    Posted: August-05-2021 at 9:37pm
My uncle and I went out for a ski on his 1981 ski tique, ford 302 v8. We shot out of the hole and something in the motor completely failed, there was a loud noise and the boat completely conked out. It started again but there is a huge rattling noise coming from the v8 and the boat will not go into gear, any thoughts on what could have happened? thanks,
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SNobsessed View Drop Down
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Points: 7102 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SNobsessed Quote  Post ReplyReply Direct Link To This Post Posted: August-05-2021 at 9:53pm
Might be the damper plate.  It connects the engine to the transmission.  Costs about $100.  
Does the engine still run at all?   
If it won't turn over with the starter, maybe try to turn it backwards by hand with a socket wrench on front crank pulley bolt to try & free it.
“Beer is proof that God loves us and wants us to be happy.”

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reed462 View Drop Down
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Points: 46 		Post Options Post Options   Thanks (0) Thanks(0)   Quote reed462 Quote  Post ReplyReply Direct Link To This Post Posted: August-05-2021 at 9:59pm
she still purrs, but there is a terrible rattling noise and no prop spin or driveshaft spin.
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8122pbrainard View Drop Down
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Points: 41045 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: August-06-2021 at 5:32am
Reed,
From your description, the damper plate gave up. It's the connection between the engine and the trans and is mounted on the engine flywheel.


54 Atom

77 Tique

64 X55 Dunphy

Keep it original, Pete
<
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KENO View Drop Down
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Points: 11184 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: August-06-2021 at 5:53am
Like mentioned above, it's the damper plate on the flywheel.

Here's a link to a recent thread complete with part numbers and pictures.

The ALTDA-106A plate is pre trimmed, the ALTDA-106 needs to get trimmed to fit.

You can find the plate at ebasicpower.com for around 90 bucks for the pretrimmed version and around 20 less for the non trimmed version. Sometimes the pre trimmed  isn't available lately. You can find them elsewhere too

For your Ford flywheel it needs trimming as shown in the thread and only 3 of the original 6 mounting bolts are used.

It's been used by lots of people around here on CCF.


Here's a link to the 106 at ebasicpower, the 106A is sold out according to their website


You'll notice that it says it fits GM engines, after the trim it fits your Ford too Wink
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Points: 5331 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Morfoot Quote  Post ReplyReply Direct Link To This Post Posted: August-06-2021 at 6:04am
 Chances are your damper plate looks like mine from Many MANY Moons ago
"Morfoot; He can ski. He can wakeboard.He can cook chicken.He can create his own self-named beverage, & can also apparently fly. A man of many talents."72 Mustang "Kermit",88 SN Miss Scarlett, 99 SN "Sherman"
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KENO View Drop Down
Grand Poobah
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Points: 11184 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: August-06-2021 at 6:28am
If you want to access that plate, here's a general set of instructions that'll work for you from an old thread

Originally posted by KENO KENO wrote:

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 in place.

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 100 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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reed462 View Drop Down
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Points: 46 		Post Options Post Options   Thanks (0) Thanks(0)   Quote reed462 Quote  Post ReplyReply Direct Link To This Post Posted: August-07-2021 at 1:47pm
thank u all for the help. CCF.com is such a good place with a ton of knowledge and brains behind these american made beasts.
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KENO View Drop Down
Grand Poobah
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Points: 11184 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: September-06-2021 at 6:05am
Update for this thread, from another thread of Reed's Wink

Originally posted by reed462 reed462 wrote:

Damper plate was fixed at the marina on my lake. We put a ALTDA-106 that needed trimming. Mechanic was confident he could fix it and so far so good, no problems until the water pickup belt today.
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KENO View Drop Down
Grand Poobah
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Points: 11184 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: September-07-2021 at 12:37pm
Here's a picture of Reed's busted up damper plate.

Not the worst ever but it's pretty bad Wink
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