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-   -   496 HO Burning Pistons (https://www.offshoreonly.com/forums/general-q/326845-496-ho-burning-pistons.html)

14 apache 06-02-2015 04:34 PM


Originally Posted by Naughty Kitty (Post 4312215)
hey KA, I'm comfortable with the injectors and fuel rail now, but the fuel pump and regulator, along with the tank/supply lines are all unknown right now. I would think the smartcraft system would shut the motor down to guardian if supply pressure was too low? Can you provide me the details of your pump and regulator you upgraded to? Also, are you still using the inline filter between the tank and the water separator filter?

Are these closed cooling systems?

Check the antifreeze and make sure its not full strength the motor will run hot and detonate. I have seen this many times before in cars and heavy equipment. Had a ford would drive it down the road and it would sound like marbles came back to the yard dropped a gallon out and put water in and problem was gone.

mike tkach 06-02-2015 07:38 PM

reported 431 deg f lake water temp.i think that sensor might be faulty!what is this BUP?

BUP 06-02-2015 08:43 PM

jeez Mike I was going to ask that same question. No actually its relates to the paddle wheel in which serves 2 purposes if you have one. In which in his case I would say 99 % he does not. The paddle wheel spins for MPH reading and has a sea water temp sensor built into it so it can read water temps as well. Without the paddle wheel connected / linked to smartcraft and in his case he does not have one - the temp reading will default to what the highest listing was. Temp 431.60. If you notice both engine scans read the same exact 431.60 (default number) for the basic jist of this.

There you go for todays lesson. LOL

mike tkach 06-02-2015 08:54 PM


Originally Posted by BUP (Post 4312381)
jeez Mike I was going to ask that same question. No actually its relates to the paddle wheel in which serves 2 purposes if you have one. In which in his case I would say 99 % he does not. The paddle wheel spins for MPH reading and has a sea water temp sensor built into it so it can read water temps as well. Without the paddle wheel connected / linked to smartcraft and in his case he does not have one - the temp reading will default to what the highest listing was. Temp 431.60. If you notice both engine scans read the same exact 431.60 (default number) for the basic jist of this.

There you go for todays lesson. LOL

good info as usual.

hallj 06-02-2015 10:13 PM

What is the fuel pressure at full load?

Naughty Kitty 06-03-2015 11:48 AM

unfortunately I don't have that number right now hallj, this is probably going to take several weeks as I have to break in a couple motors before I'll be able to run WOT to verify pressure side. I love the idea of a vacuum gauge on the source side and the clear tube for visual verification (you can see the inline filters mounted to the bulkhead at the front of the engine well). Couple pictures below of the fun :food-smiley-007:

http://www.intored.net/media/496/Bilge.JPG

http://www.intored.net/media/496/Dressing.JPG

http://www.intored.net/media/496/Intake.JPG

http://www.intored.net/media/496/Crane.JPG

http://www.intored.net/media/496/Install.JPG

mike tkach 06-03-2015 01:25 PM

well you dove right onto this project!looks like you will be boating in no time flat.

Naughty Kitty 06-04-2015 07:41 PM

Fired the motors today, they sounded good but have a sensor issue with the one...will most likely start a new thread

Blueabyss 06-05-2015 08:36 AM

What boat is it?

Naughty Kitty 06-05-2015 11:32 AM


Originally Posted by Blueabyss (Post 4313495)
What boat is it?

2003, Warlock 31' SXT Cat


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