UKs 78 SN |
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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it's only one that matters, the threaded rod for the eye is the weak link. |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Thanks guys, its not that heavy top box is only 2.5mm box and the struts are only 1.5mm box, but will get a weight for you all, the basic design should work on most of our boats.
Chris the old rod was just steel as is the one in the picture (5/8 UNC) all I can buy off the shelf in metric land,my thinking is that the ring I have machined to fit the base boss which is a snug fit,and sits on the top of the S/S box and only nipp's the top ring flange around the deck,I would think the brass ring would let go first,may turn up some S/S rod to change out the plated steel. What's the collective mined view do we need high tensile rod on the lifting rings? Tim here is a teaser for you, and please post leads on a cheap Motec 880. |
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56 Starflite 77 SN 78 SN 80 BFN |
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kapla
Grand Poobah Joined: March-27-2008 Location: BA, Argentina Status: Offline Points: 6148 |
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nice FI..
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<a href="">1992 ski nautique
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21190 |
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Nice airgap- TBI, eh? Will that thing fit under the doghouse? What other goodies you got going on that thing? Youve got a 350, Im assuming?
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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if you machine up another one out of S/S to replace the orginal machine it to 3A specs then, that will help, your going to be adding a bending moment were the orginal was just simple tension.
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Roger,
Nice job on the "reinforcement"!!! I don't think you have anything to worry about regarding the threaded rod. It's still the same lifting eye which is the weak point. Cast brass's have a tensile around 50,000. Stainless around 70,000 and even low grade every day steel is about 60,000. We sure have seen that CC never went with what I would consider the better alloys. |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Thanks for all the feedback guys,I know all the skills here would set me straight,what I found is the deck on my year boat is just 3/16 of gel and glass then a cardboard like layer of 3/8 (like you find in flush doors but denser,we call it hollow core here) then a 1/16 layer of glass and only a thin strip of 1/2 ply glass in underneath.
As for the engine its an old 03 roller vortec, which is hooked up to a new 1.23.1 and I think will make the engine sit lower than the old 1.1, engine spec 383 vortec heads with only a light porting,cam comp XM270HR (lift in.495 ex.503 ) ecu top of my list Motec then Edelbrock pro-flow 2, or Fast system,we need full sequential here as the Gov has just added more tax to gas as we are so broke $1.83L on today's ex rate,just need to find what comp I can run on our pump gas. I'm shooting for 400hp but we see. |
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56 Starflite 77 SN 78 SN 80 BFN |
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kapla
Grand Poobah Joined: March-27-2008 Location: BA, Argentina Status: Offline Points: 6148 |
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ever consireder going to LPG? I know is very common there...
but donĀ“t know if your a close to a LPG station though... |
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<a href="">1992 ski nautique
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Hi Guys, got the weight of the sub frame with the base boss,not that bad @ 5.8lb
Seb I think your right,I need to look into dual fuel set up but with these programmable ecu's you can switch set ups so there will be a eco one in my list. |
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56 Starflite 77 SN 78 SN 80 BFN |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Started on the pylon,its not just the stringers that rot in a wet floor.
Shall have a go at Pete's Idea on a reverse bottom pin on the pylon. |
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56 Starflite 77 SN 78 SN 80 BFN |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Roger, Wow!! That's the worst case I've seen!! Must be the salt water.
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Keeganino
Grand Poobah Joined: October-27-2009 Location: North Carolina Status: Offline Points: 2063 |
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I found out the same thing to be true but yours is much worse than mine!
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"working on these old boats may not be cost effective but as it shows its what it brings into your life that matters" -Roger
1973 Skier |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Pete is right my boat has spent much of its life in salt water, which kept the stringers good but everything around them rotted instead.
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56 Starflite 77 SN 78 SN 80 BFN |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Another piece of my jigsaw off Ebay, just in two minds if the oil cooler is a good thing to have or not should the cooler leak water into the engine oil.
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56 Starflite 77 SN 78 SN 80 BFN |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Worked on the pylon today by welding/filling and the old Miller worked great only problem I had was a blown 30A fuse on one phase on the wall, it took 5 rods to fill it and found out the hard way Aluminum looks the same when its still hot.
Here is a picture of my bow lifting point glassed in. |
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56 Starflite 77 SN 78 SN 80 BFN |
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79TiqueRebuild
Senior Member Joined: January-21-2009 Location: Kansas City, Mo Status: Offline Points: 238 |
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Wow Roger you can do everything!!
On your oil cooler is that a pump? I am not following how you will plumb that in. Your lifting eye brace sure turned out nice. Monty |
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eric lavine
Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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its an adapter that goes in place of the oil filter on the side of the engine,
Roger, they are used often and havnt seen any issues with oil in the water coming along nicely always enjoy the Chevy projects |
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"the things you own will start to own you"
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eric lavine
Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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old school TPI, it took about 6 months to get it dialed in, but i did add a Jet chip when all done and said and it brought it to life, I had a set of .210 aluminums i put on, flat tops, to keep the comp down, cam and all the other stuff, I still get about 20 mpg on the freeway, but that drops way off when i hit the off ramp |
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"the things you own will start to own you"
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eric lavine
Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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found a picture from a while back.....once again, painted the engine with bc/cc and it holds up very well |
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"the things you own will start to own you"
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Thanks Monty,as Eric said it just bolts up where the oil filter is,then through a oil cooler like you have on the tranny,then up through the remote filter,I think it uses a Ford one so I will have some Ford.
We need a update on your boat, I like how you sealed the hull before you foamed. Eric,like the car and thanks for showing me how a Chevy engine should done. Here's how I worked on the pylon and how it turn out. Got the shape back with this. Then file it up then sanded it. Monty this is the st up. Roger. |
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56 Starflite 77 SN 78 SN 80 BFN |
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eric lavine
Grand Poobah Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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very cratfy on the jig.
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"the things you own will start to own you"
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Just an update on how I made Pete's idea on a reverse pin for the pylon just added a little Tim idea to it and I think its worked real sweet, the old CCF recipe book is working well.
Put the grease line though a mount hole until I decide were to place it on the floor so you don't stub your toe. The pin is 13/16 bronze and the socket in the pylon is bronze, where I put the grease line in there is a grove inside the socket to let the grease flow around the pin. I use the same holes that where holding the old steel pin, now one is the grease line and the other is an extra set screw to hold in the socket body, but made it a press fit (hammer and block) into the pylon, put a grove around the top and put some RTV around just before the final push in. |
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56 Starflite 77 SN 78 SN 80 BFN |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Roger,
Cool! You do however have a tendency to get quite elaborate! |
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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are you going to mount a camera to follow the line? is that the purpose for all the extra work to the pylon.
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Pete, Its a great idea so thought I try and do it some justice. I'm in the OCD chapter here, now off to check my door locks. |
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56 Starflite 77 SN 78 SN 80 BFN |
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Chris, I hadn't thought about that but I like it, when she finished will run allot in salt water and the old pin was shot. |
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56 Starflite 77 SN 78 SN 80 BFN |
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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Ok so your making a new pin on the pylon for the cup glassed to the hull, hhhhhmmmm guess once it was in it stays not sure there is going to be any benefit changing out the pin at a later date would be easier, but I would think it would last long enough after the repair to not worry about it any more or for a long time at least.
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uk1979
Platinum Member Joined: June-13-2007 Location: United Kingdom Status: Offline Points: 1424 |
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Chris, The pin in my pylon was not coming out no matter what,I had to drill out and then only down 2.3/4 in the rest I left in, had a pilot hole down 3.5/8in and still steel, a pin swap is not a case of knocking out the spring pin and change out the old for new in my case,can see your point but the old socket is not in good shape in the hull so if I'm changing it out tried this way.
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56 Starflite 77 SN 78 SN 80 BFN |
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79TiqueRebuild
Senior Member Joined: January-21-2009 Location: Kansas City, Mo Status: Offline Points: 238 |
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Roger,
Nice work! Is that a special router for metal? I just thought they were for wood. Learn something new every day... Monty |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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A decent vari or multi speed router will go slow enough to get the RPM's down to where the FPM at the cutting edge is proper for aluminum. Then it's just a matter of what bit you put in. I've used milling cutters in my router many times. A good example is using a up or down cut spiral bit when they are not available to the standard line of "woodworking" bits. It doesn't matter what you use to turn the bit!!! |
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