1999 Longhorn Nautique Restoration Thread |
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DHMcFadin
Senior Member Joined: May-27-2019 Location: Austin, Texas Status: Offline Points: 312 |
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Received a couple more pictures of the fiberglass work. Most of the repairs on the deck are done. Now they are focusing on rebuilding the edges of the deck and hull where the shoe box was screwed together. The boat has had a number of repairs, overhauls, and rub-rails in it's life so the edges of the deck and hull looked like swiss cheese once they were separated. The floor is slowly coming together. The rounded ski locker will be squared off and this area will become my sub-floor battery compartments. The stiffening ribs at the bow are being repaired and then a composite rib is being re-glassed in place. There will also be some horizontal stiffening ribs put in place along the gunnel. I feel like a ton of progress has been made in the last couple weeks! By mid month, they should have the hull flipped over so they can begin repairing and respraying gelcoat.
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10729 |
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Pete
Fix that sticky ? key Maybe you should just fill everybody in on "transmission heat according to Pete" |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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many what??? |
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21133 |
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LMAO. Even I was expecting better than that. |
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rosconole
Gold Member Joined: May-10-2008 Location: United States Status: Offline Points: 758 |
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Many. A break down of the fluid can occur above a predetermined point. |
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1989 ski nautique ,1991 barefoot nautique, 1993 Mustang Cobra 1998 5.0 Magazine shootout invitee
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21133 |
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I’ve done both but it’s quite a bit easier to mod the box, especially if you haven’t upholstered yet.
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ultrarunner
Platinum Member Joined: October-02-2005 Location: Ridgefield, Ct. Status: Offline Points: 1809 |
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If you get tight on space at the front of the motor box with the arrestor setup, you may have room to slightly shift the motor box forward from it's stock rear hinge placement. You may not need much, and you can leave some extra floor in that area when you test fit it all, then trim as needed. The limiting factor is space to the pylon. My memory says it's not much, so then you're talking about a relo of the pylon. Not sure how feasible that would be.
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10729 |
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This should be interesting |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10729 |
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We already knew that and the question was whether you'd find something to fit under the engine box since that manifold and throttle body stick way out front and the arrestor adds some more length. Then it turned into a whole new discussion about whether you needed a marine arrestor. (That would have been your easy way out) I think it's pretty iffy whether it would fit, but you'll figure that out That's pretty flat and short already |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Ross, From what component(s) in a marine trans is the heat generated with the extra HP? |
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DHMcFadin
Senior Member Joined: May-27-2019 Location: Austin, Texas Status: Offline Points: 312 |
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The arrestor I have is straight from a PCM ZR409. |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10729 |
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It might also reference on the arrestor, Underwriters Lab UL1111 approval or SAE J-1928 approval which satisfies the USCG
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rosconole
Gold Member Joined: May-10-2008 Location: United States Status: Offline Points: 758 |
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More power its going to make more heat, heat is the #1 killer of any transmission. |
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1989 ski nautique ,1991 barefoot nautique, 1993 Mustang Cobra 1998 5.0 Magazine shootout invitee
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10729 |
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Here's a link to a PCM ZR6 engine and if you read down a long ways in the description You'll see words that say it's equipped with a USCG approved flame arrestor.
Just an example, plenty more examples to be found. Look at what you have on the engine on the Dyno-mite video and look at your GT40 arrestor, I figure you'll see words saying they're USCG approved link |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10729 |
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As some Kung Fu type guy once said............."Patience young grasshopper" Ask yourself a few questions 1) Does this thing run on gasoline? 2) Does it suck air in through the throttle body ? 3) Can the engine backfire out the intake? 4) where does that backfire flame and energy want to go? 5) Why does my or any later GM based engines with multipoint fuel injection come equipped with a flame arrestor? 6) Why would this engine not need a flame arrestor? One screen does not make a USCG flame arrestor either by the way |
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DHMcFadin
Senior Member Joined: May-27-2019 Location: Austin, Texas Status: Offline Points: 312 |
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So what’s the consensus on the flame arrestor. Would a throttle body screen be sufficient? |
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C_Heath
Senior Member Joined: January-21-2020 Location: NC Status: Offline Points: 207 |
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so awesome to watch!
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1979 Calipso Runabout (the boat that got it all started)
1988 Mastercraft ProStar 190 (sold) 2000 Pro Air Nautique/GT40 |
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DHMcFadin
Senior Member Joined: May-27-2019 Location: Austin, Texas Status: Offline Points: 312 |
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The would be nice! The intake does have a breather hose coming from a pcv on the valve cover.
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63 Skier
Grand Poobah Joined: October-06-2006 Location: Concord, NH Status: Offline Points: 4242 |
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Right, on injected engines I thought the flame arrestor was no longer a safety issue. Maybe I'm wrong about that?
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'63 American Skier - '98 Sport Nautique
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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I didn’t think you needed a “marine” flame arrestor, isn’t it considered a dry manifold ?
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DHMcFadin
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Any alternatives or suggestions?
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KENO
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That's why I was asking |
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DHMcFadin
Senior Member Joined: May-27-2019 Location: Austin, Texas Status: Offline Points: 312 |
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I have a flame arrestor from a PCM ZR409 6.0. With the flame arrestor installed (the one in the video above) the intake sticks out further than the pulleys by about 3 inches. Not sure what I’m going to do there. May have build out the engine cover a little bit. |
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DHMcFadin
Senior Member Joined: May-27-2019 Location: Austin, Texas Status: Offline Points: 312 |
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I should have clarified. I went to a larger dual oil cooler because I wanted an engine oil cooler as well as the trans. |
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DHMcFadin
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The trans was replaced in 2005. Unfortunately, Sail and Ski no longer has the service records dating that far back. I think it’s safe to assume the new trans has a 1000 hours |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 10729 |
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Well since the boat has been in the family since new and has over 4000 hours on it (from the first post in this thread) somebody must know if the transmission has over 4000 hours too or if it's been rebuilt or replaced at some point. Everything else on the boat will be new or refurbished..................you know what you'll end up doing, it's only money. By the way, do you have a marine flame arrestor for that setup that will clear all the pulleys etc. and fit under the engine box without hitting the front of the box? |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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If Joe didn't bust his trans, then I agree there is no concern. .
Ross, Why the larger cooler? Unlike a automotive where there's slippage (oil shear) in the converter, a marine clutch packs are locked up. The only time there's gear to gear face slippage is in reverse when the planetary is rotating. I question the need for more cooling with more HP. |
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21133 |
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Much more in line with what I would have expected. He should have run it up to 6000, looks like power was still climbing.
I wouldn’t worry about the transmission. If Joe and all the 502ci pythons out there can’t kill it, you won’t either. |
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rosconole
Gold Member Joined: May-10-2008 Location: United States Status: Offline Points: 758 |
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Should be a good package at that number!
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1989 ski nautique ,1991 barefoot nautique, 1993 Mustang Cobra 1998 5.0 Magazine shootout invitee
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DHMcFadin
Senior Member Joined: May-27-2019 Location: Austin, Texas Status: Offline Points: 312 |
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Thanks for reminding me! |
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