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Thanks for the replies. I will try what you guys advised.

Not MPI.... 4 barrel carbs.... Do you know if this is adjustable in the water... I see that the normal adjustment require to hold the prop..... Hopefully not... I was thinking of just trying to move the adjustment barrel a turn or 2 to see if it helps.... not sure which way to go though...

So I splashed today... new everything... engines.... outdrives etc.... hopefully everything will work..... I have 2 questions for you... the props I used (from you)... do you remember the rpm's you needed to get on plane? second is... I put new outdrives on, and when I shift from forward to...

Thanks. I appreciate it.

I will take them... good starting point...

Were you able to reach a good WOT rpm with the 4 blade??

You are correct. Port has CCW rotation. Be sure throttle is in reverse for removal. Stbd is standard rotation. Be sure throttle is in forward for removal. good luck.

So getting back to repowering with 5.7's from 4.3's.... can one of you guys do me a big favor and measure the boss on the port side of the port motor as well as the stb side of the stb motor where the front mounts land..... Of course you lucky guys with v-8's....... I am thinking I am a bit...

Do you know the ratio outdrive? (1:47 I believe... Alpha?) Thanks for the reply...

Do you recall the prop size and pitch you used??

I posted this in another forum... I guess the wrong one.... anyway Does anyone have knowledge of swapping 4.3's out and 5.7's in?? I have never been happy with the 4.3's, I feel they are just a bit too little power for the 11k pound boat.... Plus I have at least one head gasket blown, so I...

Has anyone got first hand information of swapping from 4.3's to 5.7's? Engines are carbed, Not sure if it would be a big deal considering that the 290's came with the SBC option.... I am aware of the outdrive ratio being different (1:47 I believe)..... Just trying to weigh my options.... Never...

I am probably gonna wait for spring.... I dont want to leave it apart over the winter......

I agree..... crazy stuff....

Raw water cooled....oil level is good, no increase...... plugs were wet....

Thanks for your reply..... I am just trying to figure out why it would be 2 cyl's adjacent to each other....Well if it's not head gasket I guess the next best would be that.....

1998 290 DA, twin 4.3's..... Changed engines in 2017, both have about 100hrs since... I felt I had an issue, but I thought the bottom may have been dirty from not using very much in the past few weeks..... Went to start port motor and she would not fire... I figured flooded.... Went back the...

So I was able to get on the boat today.... the "C-Charger" gauge was reading zero... so I assume no output to batteries..... One final question before I go buy another one..... Is there anything between the A/C panel, and the charger... ie a breaker ??? Thanks for all the info....

Ok thanks..... how difficult was the install?? Is it mostly a direct fit??

I will look over the weekend.... What did you use to replace the original one?? If you had a link to a new one I would appreciate it...??