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New to me 72 Skier

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MourningWood View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MourningWood Quote  Post ReplyReply Direct Link To This Post Posted: November-14-2023 at 5:23pm
 [/QUOTE] Did you say beer and a nine-hour boat ride?????  In the winter where there is no one on the lake? Sign me up as a test driver.  Drinking for nine hours will be a challenge, but I accept the challenge.  Big smile
[/QUOTE]


yep, the drinking for 9 hours could be rough, but remembering it....now that could be the real challenge....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrMcD Quote  Post ReplyReply Direct Link To This Post Posted: November-14-2023 at 10:05pm
You can't drink all day if you don't start early in the morning!

I see zero reason for a nine hour break in unless you just enjoy the boating for 9 hours along with the full ice chest to maintain your good mood.

Not just saying this, I had 30 years in the engine rebuilding business, we made Piston Rings, Sealed Power, Engine Bearings, Federal-Mogul, Valves, Sealed Power, Gaskets, Fel-Pro, Pistons, Sealed Power, Sterling and TRW brand.  Called on engine machine shops all over the west coast that built between 50 and 1,500 engines per month.   We had to stand behind the quality of these parts, any time an engine broke these customers came back to us wanting explanations, warranty and help,  so I think what I share is conservative.   You need 20 minutes actual run time to help the valve train settle in before revving over 3,000 RPM.  Guys who rev brand new engines to high RPM before the 20 minute break in would sometimes pop a valve stem keeper and drop a valve.  The internal  parts need to mate to each other a little before high RPM exposure.
Your rings as stated will seat right away on first loaded pull at full throttle, if you chose the lower cost cast faced top rings this may take 4-10 accelerations but Moly top rings seat right away. ( and last 3-4 times longer)
Bearings are good after the 20 minute run time and good for life of the engine.   
So, do not get it hot for any reason, that can be fatal.   Don't run it hard for any extended period of time because that builds excess heat.  By extended period, Give it the gas, let it rev till it stops accelerating, back off and run at lower RPM for a couple minutes so it can cool internally before doing that again.   Combustion heat is dangerous because it may not ever show up on your temp gauge.  High combustion heat is from too much timing or a lean burn condition.  Lean burn is usually a leak in the intake system or a carb not supplying enough fuel.  Both make the cylinders run much hotter which can damage rings and pistons in a very short amount of time.   If you hear detonation, pinging on acceleration do not try to run it hard, go back to the dock and work on your tune to get dialed in better.  After the first couple hours on the water run it any way you want.   If it was built with a problem inside no amount of soft break in will save it, it will break.   If you built it right and you are past the short break in window you can run it hard just do not get it hot.  Heat will kill your new engine and new engines can get hot fast so be careful and go have fun.
Many brand new engines are assembled, dropped in to the car and taken to the race track the next day and race!   Built right they go fast, if built wrong they break.   There really is not much in between other than owner abuse that causes early failure.  #1 cause excess heat, either lack of coolant or combustion temps, running it too hard too early or with to much timing or vacuum leaks/fuel issues.   #2 cause, lack of lubrication, usually caused by something set up wrong on assembly or a leak the driver does not catch till it is too late.

Not one word of this says you should not tell your wife the boat needs this 9 hour break in, that amount of time and drinking with buddies can be serious therapy and great for the soul.  Go do it and have fun!


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Morfoot Quote  Post ReplyReply Direct Link To This Post Posted: November-15-2023 at 6:17am
Originally posted by Donald80SN Donald80SN wrote:

Originally posted by samudj01 samudj01 wrote:

Once we get through the first hour or two of break in, getting 8 or 9 more hours will be fun but tedious on badin as it is only 5500 acres. We will fill the boat with beer and welcome anyone who wants to drive at varying rpm’s. Even quinner! Heck, last time we went to CLT to grab this boat from the gel shop, we met Reid, quinner and cousin Donald for wings at hooters. Good times!

Did you say beer and a nine-hour boat ride?????  In the winter where there is no one on the lake? Sign me up as a test driver.  Drinking for nine hours will be a challenge, but I accept the challenge.  Big smile

Drag that thing down to Lanier. Would probably take 9 hours to navigate the whole 38,000 acres. Well, maybe 35,000 as were 8 feet below full pool. Cousin Donald.... hopefully you upgraded your GoTo Brew by now TongueLOL  Of course LKN is 32,000 and a bit closer. You wouldn't even have to load it down with Brews. The beer is always cold and on tap at Pinkham Point. When you fill up the boat... you can fill up fill up your growler.Big smile
"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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Post Options Post Options   Thanks (0) Thanks(0)   Quote Donald80SN Quote  Post ReplyReply Direct Link To This Post Posted: November-16-2023 at 8:42pm
Tim, 

I have switched to Yuengling Flight.  It is great. That VP of Marketing told me she did not want the Red Neck Frat Boy business, so I had to switch.  She knew me well. LKN Is way down too right now due to the lack of rain. 

Donald 
1980 Ski Nautique SOLD Back to Cypress Gardens
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: November-16-2023 at 9:35pm
You know the drill Cousin Donald- when the time comes CQ will have the girls over and the levels will be back to normal. They all want to get out of Illinois too you know..


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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrMcD Quote  Post ReplyReply Direct Link To This Post Posted: November-17-2023 at 3:38am
Could do some surfing behind any boat with that load on board!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-05-2023 at 3:41pm
Got to the barn last Fri evening. Couple of pics. The trans on the wheelbarrow is pre paint. As is the new press fit dipstick…thanks Ken. We still have to measure and adjust stick but happy to have a tube we think will work. Got the majority of the wiring done on the engine. Installed the trans. Still need to install and wire the starter as well as neutral safety. Then we hope to start it.

To circulate oil…drill with hex bit, spin slow, and do we remove a valve cover to see oil come up I think?





78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: December-06-2023 at 8:43am
The dipstick tube.....it went to a good home Wink

Counter clockwise for the drill direction. prime for about 15 seconds or so, rotate engine 90 degrees, prime, rotate engine 90 degrees....repeat till you're happy with oil flow at rocker arms.

If you get yourself a priming tool, you won't have any chance of the socket falling off the extension and landing in the sump

Not a necessity but nice to have, since you can clamp the guide in place with the distributor hold down bolt


1/4 inch hex for your 302 as compared to 5/16 for a 351.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ScottZ Quote  Post ReplyReply Direct Link To This Post Posted: December-07-2023 at 11:09am
Originally posted by TRBenj TRBenj wrote:

Originally posted by samudj01 samudj01 wrote:

Serial number: 3402

The latest 72 I have written down is in the 3340’s and was built end of May ‘72... with the switchover in July you’re prpbablh right in the edge one way or the other. Lifting rings match the typical 72’s so it’s a mixed bag. No HIN on the transom I assume?


My Skier is sn 3351.  i am in the early stages of rebuild.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 67 ski nat Quote  Post ReplyReply Direct Link To This Post Posted: December-07-2023 at 3:43pm
#1 like your rear mounts
#2 thx mrmcd for break in procedure
#3 nice engine detail
#4 Gary s you can do better
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ScottZ Quote  Post ReplyReply Direct Link To This Post Posted: December-07-2023 at 6:20pm
Originally posted by TRBenj TRBenj wrote:

FYI- the original floor set up would have consisted of plywood floor panels on top of the glass floor that were covered (wrapped edges) and aluminum trim.

The best pics I appear to have…

If you or someone else the patterns for the plywood floor I sure could use them.



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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-17-2023 at 7:13pm
Starter bolted on, all wiring done, new batt cable and crimps. Oil pump primed. And she ran. Adj idle and timed at idle to 10 deg. Happy day. Packed up and left. Next up, install engine and align, install ancillary parts, install dog house, and decide when to water test/break in.
78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-22-2023 at 2:42pm
Short stint with the boat this morning on way to the lake. Prop shaft cleaned up and in. Prop on. New wood wedges cut for under motor mounts. Engine in boat. Hoping to get it adjusted, mounted and aligned after Christmas. Merry Christmas all!



78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Donald80SN Quote  Post ReplyReply Direct Link To This Post Posted: December-23-2023 at 10:17am
Dang !!!!!!!!!!!  She is looking sweet !!!!!!!!!!  

Nice work guys. 
1980 Ski Nautique SOLD Back to Cypress Gardens
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WetSet3 Quote  Post ReplyReply Direct Link To This Post Posted: December-23-2023 at 3:50pm
Dave,

Very pretty work here.  I am not trying to add tasks to your list.....I do have a thought though.  I love the commander exhaust manifolds, and I believe they are stainless. They would look really cool polished out.  Or at least sanded and finished with a very fine grit.  Would really set that motor off.  Just sayin'

I hope all is well.

Alan
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-24-2023 at 9:35am
They aren’t stainless. They are brushed aluminum. The stainless ones look good though!
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Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-24-2023 at 9:39am
We are using a Sherwood water pump that was originally on a big block which had a larger impeller. Therefore the housing is a touch deeper than normal for a 302 commander setup. The back of the pump is touching the fuel line. Anyone have a smaller water pump they want to part with. We could do an even trade. We have a brand new impeller installed. No water through yet. Just a little dawn soap. What we have will work, it is very tight and we had to bend the fuel line some.
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Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-28-2023 at 7:36pm
Engine installed and aligned. Hopefully more to happen this week.
78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Riley Quote  Post ReplyReply Direct Link To This Post Posted: December-29-2023 at 11:39am
David, we have a pump from a PCM SBF.  I believe it's a Sherwood.  I can take a photo later this week if you still need one.  It sounds like the pump you have is the same pump on an older BBC PCM?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-29-2023 at 9:17pm
A pic would be great. Would love to trade if you need a BBC pump.
78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AZ86SKI Quote  Post ReplyReply Direct Link To This Post Posted: December-30-2023 at 10:38am
Very impressive progress. It is looking great!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TRBenj Quote  Post ReplyReply Direct Link To This Post Posted: December-30-2023 at 1:42pm
Not the pump pcm used on the 454 (g55)… looks like a scaled up g21.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Riley Quote  Post ReplyReply Direct Link To This Post Posted: December-30-2023 at 2:13pm
Ah, and I was just remembering the PCM 351 pump we have is a 1" and not 1.25" like the Commanders have.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote KENO Quote  Post ReplyReply Direct Link To This Post Posted: December-31-2023 at 8:59am
I'll guess that you have a Sherwood L80 pump right now Dave.

It's a slightly overgrown G21 and has 1 1/4 inlet and outlet fittings and the impeller is slightly bigger in diameter and width. There are other part numbers too for the same pump with 1 inch fittings

If you were to put a G21 in it's place, you'd probably run into some alignment issues.

I'd probably stick with what you have assuming it fits right.

It's discontinued but plenty of parts are available for it.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: December-31-2023 at 6:31pm
We have alignment issues with this pump. We had to do some work on the water pump bracket and some shimming to get it where it looks good. It does have 1-1/4” inlet and outlet which is nice because so does the tstat housing and the trans cooler. I would be game to look at others. This impeller is wider but not larger in diameter.

We made it to the boat for yesterday evening and this morning. Throttle and trans cable connected. Wiring cleaned up/connected (after below pic). Batt cables run forward to box. Fuses installed. Fuel line and fuel filter installed. Bilge pump hose installed. Raw water hoses installed. Exhaust tubes installed. Floor fitted.

Next up…doghouse install, dipstick fitting and some other small items.



78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Morfoot Quote  Post ReplyReply Direct Link To This Post Posted: January-02-2024 at 6:15am
Very impressive fellas. She's a beautiful boat. You guys do great work! Light at the end of the tunnel is a few feet away.
"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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Post Options Post Options   Thanks (0) Thanks(0)   Quote samudj01 Quote  Post ReplyReply Direct Link To This Post Posted: January-06-2024 at 9:04pm
Think she is ready to water test. A few clean up items left but shake down next. Also some work on the trailer needed. She is on a spare trailer now.









78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 2001SAN Quote  Post ReplyReply Direct Link To This Post Posted: January-07-2024 at 5:06am
She looks awesome! Very impressive work.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 67 ski nat Quote  Post ReplyReply Direct Link To This Post Posted: January-07-2024 at 9:55am
Beautiful. I can’t wait to see sea trials
Well done gentlemen
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Riley Quote  Post ReplyReply Direct Link To This Post Posted: January-07-2024 at 10:28am
Beautiful boat. Great job!
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