Boat re-power project

***MarkyB*** *[Veteran Member]* · 7thJune2023, 06:39 PM,

[Image: ee1681da9308d32a58123f9b024fc04b.jpg]

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Installed on the boat.

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***MarkyB*** *[Veteran Member]* · 14thJune2023, 07:46 PM,

So, last time we had the boat out, it started cutting out and couldn’t get it to open up and get on plane. I tracked that to a weak and failing high pressure pump. However, replacing the pump exposed another issue.

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See the dent? (Fuel injector)

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Cracked on the inside and leaking…

Any suggestions on a repair until I can find another housing?

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***Reserector*** *[Veteran Member]* · 14thJune2023, 07:58 PM,

If it's leaking gasoline, try J.B. Water Weld. It holds up to fuel. The regular stuff won't.
Doug used it on a motorcycle tank and it's still holding.

You might try putting it on a flat steel surface, like an anvil or a hitch receiver. Then use a flat-ended rod and a hammer to gently knock the dent out a bit. Just enough to tighten up the breaks.
Then the JB Water Weld.

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***MarkyB*** *[Veteran Member]* · 14thJune2023, 09:17 PM,

I was wondering if there was a JB weld that could handle it. Not sure how hot that gets.

Fuel pressure is about 35 psi now. I suspect the pump’s been weak and was getting weaker till it couldn’t keep up any more.
The lower pressure kept it from leaking more than a drop or two.

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***MarkyB*** *[Veteran Member]* · 14thJune2023, 09:20 PM,

I think I just found one on eBay for $26.

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***Reserector*** *[Veteran Member]* · 15thJune2023, 06:53 AM,

(14thJune2023, 09:20 PM)MarkyB Wrote: I think I just found one on eBay for $26.

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At first I thought you meant the JB Weld. Laughing

You mean the part, right?

***MarkyB*** *[Veteran Member]* · 15thJune2023, 10:09 AM,

Yeah the housing.

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***Reserector*** *[Veteran Member]* · 17thJune2023, 10:01 PM,

Good to know there's not a housing shortage. Rimshot

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***MarkyB*** *[Veteran Member]* · 26thJune2023, 12:05 PM,

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Injectors are not matchy anymore.
Don’t tell Stephanie.

Boat is back to running great, however I was disappointed in the RX4 prop.
I’ll be going back to the Rebel 3 blade.

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***Reserector*** *[Veteran Member]* · 27thJune2023, 06:21 AM,

RX4 not revving high enough?

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