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    Indmar 383 Hammerhead CYL Head replacement options

    Wel got it all put back together and after a few oil changes got it in the water and run. No noticeable power loss if any. the real test will be when the ballast bags and tanks are filled (around 2k lbs). As promised I took a couple pictures of the pistons for rick. Thanks for all the help with...
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    Indmar 383 Hammerhead CYL Head replacement options

    Hey guys working on my buddies 2008 Malibu VLX. Its equipped with a Indmar 383 "Hammerhead". The boat is raw water cooled and operated in salt water. Although it it religiously flushed after every use, the Salt and lack of Zincs has taken its toll on the Aluminum Cylinder heads it came equipped...
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    V drive oil leak

    Hey guys I posted a while back about the v drive on my 73 luhrs with twin 318's and paragon v drives being slow to engage in reverse. I went ahead and flushed the fluid in both the tranny and the v drive gear box. The delayed reverse shift is gone but now I have a significant leak after 20 hours...
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    PV300 slow to engage reverse

    Hey guys Im have an issue with my port Standard rotation paragon V drive. it is a model PV300. When I engage it into reverse is takes approximately 5-6 seconds to start engaging and does so very slowly/soft. The idle was set at 700 and it made no difference adjusting it. The fluid looks clean...
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    good source for Intake Manifolds??

    Hey guys looking for a good source for some either good used or new intake manifolds for two chrysler LM318's both have holes in both side of the exhaust crossover passages. The engines are FWC and have the little coolant reservoir that goes in place of the conventional thermostat housing...
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    Faulty Temp sensor?

    Hey Guys, So during the last three miles of a 89 mile trip to San Diego, the temperature gauge on my port engine started fluctuating from normal around 162* to pegged at 240 and back very rapidly. I immediately checked for raw water discharge and all looked fine I then lifted the engine hatch...
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    Lots of carbon out of the exhaust

    Hey guys, So today I started my boat after sitting for five days. When I started my stbd engine, it made two streams of what looked to be dried carbon for about thirty seconds. Prior to five day set I ran it for 25 miles at 3000RPM about 19 MPH. the engine ran fine and still does. What could be...
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    convert to standard rotation?

    Hey guys a quick question. what would be involved in putting a standard rotation engine in place of my reverse rotation on the STBD side? I have a paragon V drive. A guy at the marina told me to just flip the pump Would I still need a new prop? Im just curious because I like the idea of two...
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    Lets see your Chrysler powered boat

    1973 luhrs 32' twin 318 V drives
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    both fuel pumps gone bad

    Well after a three hour run and filling up the gas tanks, both fuel pumps started to leak from the weep holes. Ive never had them go bad at the same time.
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    oil filter adapter gaskets??

    Hey guys running the fresh 318 now. I have an oil leak on the bolt that holts the adapter to the block. no on the large round surface. Where to I get this thing from? Also would a tranny make intermittent noise in neutral if the fluid is low? it almost sound like a vacuum leak. Thanks, will
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    Hole in piston

    Hey guys I took my boat out for a power trial today and blew a hole in the #2 piston on the port side. Cause is unknown all other on that bank look fine. I was wondering if you guys could recommend an engine shop in the southern california region. I suspect rhis was an ongoing problem as this...
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    changing tranny fluid on pv300

    Hey guys, wanting to change the tranny fluid on my pv300's before I take her off shore. What is the best method? and what do you guys reccomend putting back in to keep it going forever?? thanks, will
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    Hole in exhaust x-over

    Hey guys running the boat today trying to get full power and I blew a pinhole in the intake manifold right in the bottom of the cavity the thermostatic choke would be if I had one. I plan on dremeling the entire cavity clean, then filling with JB weld. Any suggestions or thoughts, other that...
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    points and condensor

    Hey Guys, I want to ge a spare set of points and condensor for my 73 luhrs with 318's I believe they are the prestolite units. Is there an off the shelf set I can pick up at NAPA auto parts? thanks, will
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    exhaust manifold choices

    Hey guys I am coming op on replacing my exhaust manifolds and risers in the next couple months before they fail and I need new engines as well. I am faced wit a couple options as the engine compartment in my 1973 32' luhrs has plenty of room. To replace what I have now on both engines will cost...
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    T6354 VS. T6354.4 differences

    Hey guys what are the differences of the above motors? Will
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    2004 200hp fuel issue

    Hey guys Im trying to help a buddy of mine with his boat. He has a 2004 200hp 4 stroke yamaha. I was running great when one day the pick up in the tank got clogged up. After switching to a small 6 gallon tank and verifying the fuel supply was sound it continues to start and die. Applying the...
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    new boat lots of questions

    Hey guys finally got a new boat after getting rid of my 1954 matthews. I picked up a 1973 32' Luhrs fly-bridge. Its got twin FWC 318's with what I believe are paragon v-drive transmissions. I am the second owner and got it from the family that knows nothing about it as the original owner died. I...
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    low power lots of black smoke 4jh2m-ute

    Hey guys having a hard time figuring whats wrong on an engine I just re-assembled. it was torn down for overheating but made full power before. Wile apart we had the injectors rebuilt, injection pump rebuilt, turbo rebuilt and all heat exchangers boiled and cleaned. All seals and gaskets were...
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