67 SN in California back to life |
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Great info thx. Exactly what I was looking for
Tach seems to be set on wrong position Like 12 cylinder seems to be about 15% low. Was reading 3800 when screaming at 41 mph, then WOT to 44mph at approx 4200rpm ? But I will verify my tach or get new Your right I need working tach The 13x13 is on the shelf. I’ll check prop pitch on boat. I have a medium fancy timing light, advance dial, no tach. My girlfriend thinks it is a small grandpa type fishing pleasure boat. She is gonna be surprised when it jumps on plane and screams up to 45. It’s fast and loud and squirrelly. |
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21189 |
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KenO as usual is right on. 13x16 is way wrong, and would result in much lower rpm than speed and lugging that engine pretty hard.
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Thank you. I’m excited about trying the 13x13 with a accurate tach
50 mph would be very cool but not necessary. |
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Dam He’s right again
from 2000 miles away good eye It’s a 13x15 cupped nibral reconditioned last year My shaft spins really easy, guessing that’s good?? |
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63 Skier
Grand Poobah Joined: October-06-2006 Location: Concord, NH Status: Offline Points: 4269 |
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Shaft spinning easy can be good or bad. Good if it means dead-on alignment but maybe not so good if you have too much wear in the cutlass bearing. Glad you figured out what you have for a prop. I will say that once a prop is reconditioned in my experience it doesn't spec out quite the same as when it was new. In other words you might not be able to say "13x15 gives me x for performance" since a brand new version of the same prop would give different results assuming there were some minor changes during the recondition. There's a lot to matching props to boats to engines, but then again you've got an old school inboard with an engine that, if close to stock, puts out a pretty well known amount of power. Once you can trust your tach you'll be looking at speed vs. rpm and deciding if the current prop, and then the 13x13, are letting the engine make full power throughout the range. Don't change out the prop until you get the tach so you have reliable numbers to compare, your gps max speed is one part but you need matching rpm to know what is going on.
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'63 American Skier - '98 Sport Nautique
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63 Skier
Grand Poobah Joined: October-06-2006 Location: Concord, NH Status: Offline Points: 4269 |
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And not likely to hit 50 mph with a stock 318, but 44-46 feels pretty fast in these boats! I'm not able to see the pictures from earlier in the thread, not sure if that's on my end or they are gone. If you are able to re-post or add some pictures I'd love to see the boat.
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'63 American Skier - '98 Sport Nautique
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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So pictures got hacked during ransom ware
Deal. Would love to try again got couple Perhaps Keno@gmail can assist Thx 63 for useful comments Good news 10 hours on new blackfish cutlass no vibes no wear. I listen to CCF and got lucky So a 13x15 can turn into a 13/14 after reconditioned makes a lot of sense You saved me a step by keep existing on until I know more My test copilot and I both said OK fast enough and engine was screaming 44 But I’ll try for 46 Y’all have great holiday |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11141 |
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Umm...........Google says it's about 3018 miles Send the pictures
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11141 |
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Here are Daryn's pictures mostly oriented the right way |
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Thank you ken
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Stringers all looked amazing, glass still stuck really well. Replaced the side to side ‘ribs’ with IPE (ironwood). Also trimmed and cleaned up the glass connections between stringers and ribs. Trimmed back about 3”x3” , reglassed with 2 thick pieces of matte to fir out and match
Then 2 thick progressive larger with cabosil to fill then 2 thin to smooth out Then carbon fiber (black) to tie everything thing together and look uniform Marine poplar plywood for new floor, several coats spar. Ring and finger installed now |
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Removed all foam but replaced with new foam to the area only in front of bulkhead
Did not want water migration up front May add more to side voids but that’s it No new foam adjacent stringer |
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63 Skier
Grand Poobah Joined: October-06-2006 Location: Concord, NH Status: Offline Points: 4269 |
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Glad you are finding stringers to be in decent shape. Boat looks great by the way. Now to really challenge you get a video or 2 of it running on the water up on Youtube and link them here. Not sure I would have put foam back in. I don't know how people feel about foam as a safety item, for me if my '63 (never had foam) sinks, it sinks. One time in really rough water on a lake I shouldn't have been out on, I tied a lifejacket and inflated fender to my anchor line and the other end to the boat so if it sunk I'd have a chance to find it again later. Not sure I'm proud of that one, but it was an adventure. My point is having a bilge that is dry and can be cleaned up seems better to me than having foam, but maybe I'm wrong about that, not sure. |
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'63 American Skier - '98 Sport Nautique
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Ok. I’ll work on video next trip
Exhaust note at dock is cool Sounds like a 67 barracuda car at 35mph Muscle boat ?? 10-4 on possible sinking, no crying about toys Could happen. I would be more worried about a hazmat fine and cleanup cost by sheriff and army corps The small amount of foam I put back was to fill void only and keep water out from under bow and under my feet, much harder to check and get to (not for floatation ) Encased foam with several layers glass and epoxy. It will last another 20 years Have good 4th |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11141 |
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Here's a thread on Daryn's boat before it was Daryn's boat, (minus a lot of pictures)
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67 ski nat
Platinum Member Joined: July-19-2018 Location: Santa rosa Status: Offline Points: 1194 |
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Oh Jezz. I was trying to forget those days
Only thing on engine not touched is piston and heads. New alt, reman starter, Rebiuld original CARTER carb, rebuilt Sherwood pertronix. All rewired all new hoses and manifold Blah blah blah. I got lucky motor is smooth and tight |
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