Jump to content

Welcome to TheMalibuCrew!

As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. It's free and it's easy, so don't hesitate to join the TheMalibuCrew Family today!

Search the Community

Showing results for tags 'exhaust'.

  • Search By Tags

    Type tags separated by commas.
  • Search By Author

Content Type


Forums

  • Website Announcements & Feedback
    • Website Announcements
    • Website Feedback & Support
  • Discussions
    • General Discussion Area
    • Watersports & Gear
    • Modifications & Accessories
    • Boat Storage
    • Trailers & Tow Rigs
    • Ballast Info & How-to
    • Stereo Info & How-To
    • Maintenance, Tech Info & Troubleshooting
    • DIY Articles
  • TheMalibuCrew On & Off the Water
    • Events
  • Classifieds, Deals & Discounts
    • Classifieds
    • Supporter Discounts and Group Buys
    • Group Buys For All Members
    • Group Buy Requests
    • Deal Street

Product Groups

  • Subscription Packages
  • MalibuCrew Gear
  • Other

Categories

  • Items For Sale
  • Items Wanted
  • Post a Freebie

Find results in...

Find results that contain...


Date Created

  • Start

    End


Last Updated

  • Start

    End


Filter by number of...

Found 8 results

  1. Hello New to the forum and in desperate need of help. Last year about this time I purchased a 2009 Malibu Wakesetter 247LSV. Instantly the family and I fell in love with it due to its size and features. I took the boat in to get serviced and found out the port side exhaust manifold had a crack in it. The service shop did a pressure test and it was dumping water. I searched everywhere and could not find another manifold here in states. I branched out and contacted Indmar Marine in Australia and found they had several in stock. I quickly purchased 1 and waited over 8 weeks for DHL to get it through customs and delivered to my door step. The new manifold was installed and we were able to take the boat out again 4 more times before we got struck with a catastrophic failure. The motor let go, apparently spinning bearings and even developing a crack in the block. I paid for Jaspers Motors to build me a brand new motor and had it installed. After the service shop took the boat out to do water testes, they discovered that there is water on the O2 sensor on the port side. The new exhaust manifold again with 4 runs on it supposedly developed a crack as well. The exhaust manifold was removed and pressure tested as well. This time it held air pressure at 15psi and water pressure at 40psi or what ever the pressure is that comes from your garden hose. There wasn't a leak. After installing it again and starting the motor, after it would heat up, water would start to come from the O2 port again on the Port side manifold. So my mechanic is assuming that when the manifold heats up, the cast aluminum expands and allows water through. Unfortunately there is no way to test it off the boat at operating temperature. Due to a Nationwide shortage, we are having zero luck locating another manifold and facing a year of no boating. I was told that they use the same manifold on different boats but unfortunately Indmar does not have a cross reference for what other boat manufactures those are. We are desperately searching everywhere for a new or even used one that might be sitting on a motor at a salvage yard. Has anyone heard what other boats these may come on? Do they make aftermarket or performance headers that I can replace the stock ones with? The Indmar part# is 531401HL. Any help would be greatly appreciated!
  2. Hello Crew! 2017 23lsv with the factory turned down exhaust tip. I ordered the factory FAE and was told I needed the exhaust hose and coupler. I disassembled and found I already had the hose. Everything bolted up with no problem. The parts person says I need the coupler installed but cannot see any reason why. Anyone have any experience with this?
  3. I have a 2015 Axis A24 that had a high, sharp, crisp surf wake. BUT I just had a Malibu aftermarket surf exhaust installed at the dealer and the wake is now low, rounded, and turbulent at the top. It is completely useless. At the same time i had the actuator relay box for the surf gates refurbished. I can’t imagine it would be the exhaust, or the actuator and so I’m completely baffled! I’m thinking about tearing out the new exhaust and wondered if anyone had any ideas at all!!
  4. I am looking at a 2018 Malibu 23 LSV. I took it out yesterday for a test run and I was getting occasional wafts of exhaust/exhaust smell on the port side of the boat all the way up to the passenger seat beside the captain's chair. This boat does not have a surf pipe. Have any of you run into this issue? Is this common? Will a surf pipe resolve the problem? Other than this issue, this is a great boat. All regular maintenance has been performed. Super clean and still under warranty. Thanks everyone.
  5. 2013 Malibu Mkz 23 on pickwick for the 4th and front end took in alot of water, like up to the bottom of the drivers seat. I finally bilged all the water out amd had a good rest of the day. went this weekend and my blower wont come on nor will my bilge pump work. luckily i didnt need it during this trip. also my key switch wouldnt turn the boat off. I tried to kill power and even took the key out of boat. It finally after a fer tries turnrd off and the worked great the rest of the day but still no blower or bilge power. fuses or where should i look? thanks william darby
  6. I have a 2007 malibu 247 RX. One of the zinc plugs in the aluminum exhaust manifold blew out. How do I fix this? Also why do they have the plugs? Is it like a freeze plug. If so what should I be looking for that caused the plug to blow out? My exhaust manifold is polished aluminum. The ones I see online are black. Any difference in the two other than color?
  7. Posted about this in another thread but to make it easier to search, thought I'd post its own. Based on feedback from @drh and @Luckylindy about this mod, I decided to give it a go myself. These guys get all the credit for trying this first. This project requires Qty 2 Clay to PVC 4" flexible couplings (Nibco) and Qty 2 4" to 3" fitting ABS or PVC closet elbows. I went with ABS because I wanted everything to be black. If you have a Wedge, you will need to carefully shave down the Nibco a bit to get enough clearance for the fitting to seat up tight against the hull without the Wedge bracket making that an impossible task. To shave down the Nibco, one of these makes quick work of the task. Be careful to not cut all the way through. You have to remove quite a bit of material. Use the wide cutting/scraping blade and it's like a warm knife through butter. Hooray for Harbor Freight! You have to cut off the 3" flanges so they're not dragging in the water. I set mine so they were about 1/4" to 1/8" above transom level. This photo was from a rough cut. I've ground down the unevenness in the final product. When you install, if leaving your flappers on, make sure you don't push the elbows up tight to the hull. Give the flappers room to do their thing. From a flow perspective, these add no restriction. WOT RPM and top speed tests with these on actually showed a slight increase in performance (different days, but you get the gist). As for how they work to quiet the boat... Noise level in the boat is lowered a fair bit. At speeds around 25, it's WAY quieter. At slalom speeds, it's a fair bit quieter in the boat and the sound is less intense. BUT, behind the boat is where you notice a gigantic difference. Check out this body cam footage of with the tips and without.
  8. Boat is a '05 VLX with a 340 Monsoon with 1,300 hours (last 300 hrs in salt water). I think I need new exhaust manifolds based on taking off the manifolds and seeing salt water leaking out of one of the cylinders and corrosion on the exhaust valve (see links below for pics). I was considering buying cast iron manifolds , was wondering if anyone had experience with or knew if aluminum or cast iron worked better with salt water. Corroded Valve: https://photos.app.goo.gl/wMRVeiW2itTveReR6 Opposite side of the Block: https://photos.app.goo.gl/bV7rs3tXX4bWT9WN9
×
×
  • Create New...