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Messages - JetBoat650

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Engine Mechanical / Electrical / Re: 454 Low Oil Pressure/Exhaust Leak
« on: November 26, 2015, 11:26:42 AM »
I am not positive about how much oil is in there but I believe 7 quarts. I will probably wait until the mechanic is back from vacation before I start pulling anything apart due to the fact I wouldn't know where to start. My main question is basically, is it a bad idea to drive this boat around? It's going to be hard to wait to have it checked out. Will I ruin the motor? I have a picture of my gauges when I headed out and another one when  I came back in after 10 mins. I really want to take the boat out but Im not sure if I'm ruining my motor. Thanks again for the help.

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Engine Mechanical / Electrical / Re: 454 Low Oil Pressure/Exhaust Leak
« on: November 26, 2015, 12:33:10 AM »

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Engine Mechanical / Electrical / Re: 454 Low Oil Pressure/Exhaust Leak
« on: November 26, 2015, 12:25:22 AM »
Hmm, I never thought about steam. How long would it take to start steaming? I felt like there was white smoke as soon as I started it up, but it easily could have been steam. They are Bassett headers. I believe the gaskets were Felpro, some sort of brass or something. Not positive on the oil pan but I think there is 7 quarts of Kendall 50 wt in it. Is there a chance this is all completely normal? I wasn't sure what normal oil pressure was supposed to be. When I saw the smoke/steam only exiting  from one pipe I got worried.

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Engine Mechanical / Electrical / 454 Low Oil Pressure/Exhaust Leak
« on: November 25, 2015, 07:12:20 PM »
I am new to boats and really don't know a whole lot. I bought a jet boat with a 454. I just had the oil changed as well as replaced the header gaskets due to an exhaust leak. I took the boat out today and noticed white smoke coming from only the right header. The other header did not smoke once, as if it wasn't running. As I idled out my oil pressure was at 60. Once I started getting on it, I heard a ticking as if there was still an exhaust leak. There was still white smoke coming from only the right header. As I turned around to head back I could hear a slight whistle when letting off the throttle. I noticed my oil pressure was down to 15 once the motor was hot and I idled back.

I am wondering if those are normal oil pressure numbers. Can an exhaust leak cause low oil pressure? And why is only one header smoking and not the other? Thanks in advance.

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 28, 2015, 03:31:51 PM »
Sounds good, thanks for the info. It turns out that the "FRESH 454" was not that fresh. Just blew the water lines and there is a horrible exhaust leak. Hoping that's all there is, back to the mechanic.

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 24, 2015, 04:27:42 PM »
I like what I am hearing. I am finally taking the boat out next Tuesday. Thanks for the feedback.

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 22, 2015, 07:28:11 PM »
Here's a better photo, still need to take some more.

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 22, 2015, 07:23:32 PM »
Quote from: dmacattack on October 22, 2015, 06:57:06 PM
Here's mine..

There's something about the way they sit in the water.... Nice Boat

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 22, 2015, 07:15:01 PM »
Quote from: jyeager on October 21, 2015, 07:59:18 PM
They are great boats. My buddy AJ had one just like that. May it RIP.

With some HP and some bottom work they can haul ass.


Sent from my iPhone using SoCal Jet Boats

Wow you were not kidding, your buddy's boat looks almost identical.  I don't know if it's a sore subject, just curious what happened to his?

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 22, 2015, 10:04:36 AM »
Thank you, I am very excited about the new boat. It looks like there are a lot more miller's floating around than I thought. Thank you for the feedback.

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 21, 2015, 09:40:47 PM »
So far I have heard nothing but good things. Yes, I live in Northern California and I will be running it in the Delta. Thank you everyone for the feedback.

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 21, 2015, 07:35:35 PM »
That is really good to know. Thank you, I appreciate it.

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Boat Showcase / Re: 1980 Miller Jet Boat With Nitrous
« on: October 21, 2015, 05:39:54 PM »
Thanks. I noticed all of the other Miller's had the matching trailer, unfortunately mine did not.

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Boat Showcase / 1980 Miller Jet Boat With Nitrous
« on: October 21, 2015, 05:17:27 PM »
I Just bought my first boat. A 1980 Miller 19', it has a 454 with nitrous and a Berkeley Jet. I haven't been able to find a lot of information on these, does anyone know about Millers?
Thanks

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