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  1. further

    Milky outdrive oil

    Started the winterization process today and figured I'd change out the gear oil first. Well it's as milky as milky oil gets.... A little background, purchased this boat last fall and had the prop shaft seal replaced by the dealer because I noticed it was leaking during the inspection. When I...
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    Fuel line and filter

    Two quick questions... getting supplies together for winterization... 1. What size fuel line should I use for fogging. From remote fuel tank to fuel pump. I know it should be the same as what’s there but figured I’d ask as I don’t have easy access at the moment. 2. What’s the difference...
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    Smelly head

    Hey all, 2004 Sunesta 234 - I've been noticing a really nasty sewer smell at the stern of the boat - while anchored and swimming after the head has been used quite a bit. It doesn't smell in the head compartment itself - only at the stern and in the cabinet beneath the sink which is adjacent to...
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    Weird issue after tune up

    So went back out this evening to change out the plugs to what Michigan Motorz recommended. I had put in AC Delco 41-101 and called them to make sure hey were the right ones and they told me they’re hotter and to change them out to 41-993. Thought they were essentially the same but whatever...
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    Spark plug difference - AC DELCO 41-110 and 41-993

    Any difference between the AC Delco 41-110 and 41-993? I just called Michigan Motorz to get their recommendation and the tech said that the 41-110 was a hotter plug and recommended I use the 41-993.... The guy that sold me the 41-110 plugs said there's no difference. If it is in fact a...
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    Oil pressure

    Further to my other post 😁, took the boat out for a water test today after a full tune up and oil change. I noticed the oil pressure gauge read higher than normal. Oil level reads perfect....put in about 5-1/2 quarts with the filter. Oil pressure is very high at WOT or around 4000rpm and...
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    Is there a knock or am I being paranoid?

    https://youtu.be/k8NVHlzkixM just replaced plugs, wires, dizzy, rotor, fuel pressure regulator and oil change - 15w-40 royal purple. Bought this boat over winter, has a Michigan motorz block from 2016. Put about 10 hours on it and it stalled on me and wouldn’t restart... took it out of the...
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    Stall coming off of plane; 2004 5.0 GXI -D

    Hey all, just came back from the lake and had to get towed back to the marina.... sucked! We were cruising at about 3500 rpms for about 15 mins and coming into a cove so I reduced throttle to come off of plane and when I got down to about idle the motor cut out. Wouldn’t restart... sat for a...
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    Yet another "which oil should I use" thread

    Sorry all had to do it.... I've got a new to me 2004 5.0 GXI-D with a Michegan Motorz block installed in 2016... on my previous boat which was a 96 4.3GS i always used the SAE30 (Royal Purple) with good results. I'm confused on what to use with the new motor. I'm reading I should use the...
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    Alarm after maintenance work

    Just finished bellows replacement along with water hose, nipple, impeller replacement on my new to me Chaparral. Put drive back on, double checked everything and fired her up. Started right up but I’m getting an alarm - one beep every few seconds. Water is being pumped fine although I’m seeing...
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    Wiring help with new head unit and amp

    First time wiring in my new to me Chaparral Sunesta. New kenwood h/u, kenwood amp, 4 kicker 6.5’s and 1-10” sub. Ran 4 gauge power from amp to breaker mounted near battery switch then to battery switch. Ran same gauge ground from amp to battery. Amp is a 5 channel so all 4 speakers and sub wired...
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    Transom Shield Water Hose

    Just received a new water hose (Item #4 in the attached) I ordered from Iboats and its not the same orientation as the original. I don't see how this one would work as it has a bend at the end that connects to the transom shield. Anyone have any insight as to whats up with this? Thanks
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    Alignment help

    Need some help on whether the alignment is correct on this. Seems a bit tight and hard to spin. Thought it should spin very freely. Video link attached. Splines appear even all the way around. Could it be gimbal bearing that’s making it tight? When I try to spin just the bearing with my...
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    Driveshaft Yoke seal replacement

    Just picked up my new to me 2004 Chap Sunesta. Dealer I purchased from was supposed to go through everything prior to sea trial which we did yesterday... During the sea trial, the boat bogged bad and the notorious fuel pump whine ensued... Luckily, they had 5 in stock so they took the boat...
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    Educate me on outdrive gear ratios please.

    Would like to understand how to determine what outdrive would work. My existing outdrive is an SX and the nameplate is completely illegible. If I wanted (at some point) to replace it with a duoprop, what do I have to look for? Do they need to match ratios? Would any SX DP work? How do I...
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    Stereo Upgrade

    Putting together all my supplies for upgrading the stereo in my new to me used Chaparral Sunesta 234. Boat is 23' total. I've got 4- 6.5" kicker = 190 watt max; 65RMS @ 4 ohm, 1 - 10" kicker subwoofer = 300 watt; 150 RMS @ 4ohm, Kenwood 5 channel class D 600 watt amplifier = 50 watt x 4 at...
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    Bennett Trim Tabs

    Just found and purchased a set of pre-owned bennett hydraulic trim tabs - 12x12 off a fresh water boat. New to hydraulic tabs.... The tab planes have pretty large batwings on them that, based on the way they would be installed, extend downward. Haven't received the tabs yet but from the...
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    5.0 GXI block identification

    So i've determined that my new to me Chap has had its block replaced sometime after 2014. I'd like to figure out some more info and hoping i can do that by ID'ing the block... Assuming the block would have some numbers stamped into other than the "878" i've already found? Anyone have any ideas...
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    Mystery JB weld

    Was crawling around my new to me 5.0 GXI and noticed this area with what looks like JB weld. Any ideas of what this could be? It's near the start on the starboard side. I've already figured out that the block was changed out at some point after 2014 because its all black and I have photos...
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    Sticky links

    I'm trying to access the Volvo Penta link in the "Adults Only" sticky in the Volvo forum and am getting a invalid redirect with HTML.... Do these no longer work or am I doing something wrong? Thanks in advance...
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