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-   -   575 SCI rebuild (https://www.offshoreonly.com/forums/general-q/362753-575-sci-rebuild.html)

kjm5125 09-07-2020 09:01 PM

https://cimg3.ibsrv.net/gimg/www.off...116964b97.jpeg

hpmaniac 06-20-2025 09:17 PM

How are the engines doing? I did the young performance injection and I'm thinking about doing the dyers kit. So you had to build a spacer so the linkage would clear??

kjm5125 06-21-2025 07:29 AM

Ended up at 750hp per motor. Runs strong, great midrange power. Linkage was eliminated, throttle cable only. If you blow up the above picture, you can probably tell what was done. No plates attached to the headers.

hpmaniac 06-21-2025 12:04 PM

I see you have a larger fuel filter head. Did you still use the factory mechanical lift pump? Just curious about the fuel delivery. I have a big weldon pump i can use.

kjm5125 06-21-2025 07:44 PM

I have Eddies complete fuel delivery system. Factory pump won’t work. My pump in a Weldon.

SB 06-22-2025 06:55 AM


Originally Posted by LTZCrew (Post 4705492)

Sorry for the quick interruption, but hot damn,
Now that’s s shop ! :) :)

hpmaniac 06-22-2025 10:12 AM

Ordering the dyers kit Monday. This will get bolted on my afr 357 headed 565. Sucker is going to rip. Honestly just want a mild 800hp. This will be a very reliable combination with 1000hp potential easy. Next is drive, boat has a new xr. I never do hole shots or ramp up throttle fast. Things tend to last when you drive easy.

bencini231 06-22-2025 02:39 PM


Originally Posted by hpmaniac (Post 4928974)
Ordering the dyers kit Monday. This will get bolted on my afr 357 headed 565. Sucker is going to rip. Honestly just want a mild 800hp. This will be a very reliable combination with 1000hp potential easy. Next is drive, boat has a new xr. I never do hole shots or ramp up throttle fast. Things tend to last when you drive easy.

Add a drive guardian and you'll be glad you did later on.

hpmaniac 06-22-2025 03:06 PM


Originally Posted by bencini231 (Post 4928984)
Add a drive guardian and you'll be glad you did later on.

I'm newer in the boat performance world, what is a drive guardian?

Tartilla 06-22-2025 03:26 PM


Originally Posted by SB (Post 4928963)
Sorry for the quick interruption, but hot damn,
Now that’s s shop ! :) :)

Definitely some square footage there.


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