Imco SCX with SC or SCX lower?

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11-07-2019, 11:42 AM

#11

575cat

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Quote:

Originally Posted by 1 MAIDEN AMERICA

In 2 years I broke 4 Bravo props. In 4 years I broke 2 Maximus props. I don't think I'll break the #6 props.
It's not just about the drives, make it all bigger!

Yep back to the next weakest link brave props are not made to surface .

11-08-2019, 09:45 AM

#12

Quinlan

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Quote:

Originally Posted by Marginmn

How much speed did they cost you?

When I was first running them I was down 5mph or more easily.
Now I have been trimming them up higher and have gotten a lot closer to where I was before- so now I would guess say 2-3.
I still think it has more in it too

11-08-2019, 07:30 PM

#13

1 MAIDEN AMERICA

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XR's cost me abut 95MPH as I idled in on one more times than I want to remember.

11-09-2019, 08:14 PM

#14

HALLETT FAN

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Quote:

Originally Posted by 99silvergts

Fred at IMCO told me when I did my SCX upper SC lower combo the SC lower was good for 1000HP.
I run Smith Power 800 HP motors with no problems.
Like anything how you treat it will be the final tell.all.

I don’t think the SC can handle 1000HP , maybe the SCX lower . As said previously, the SC in just XR gears

11-09-2019, 10:10 PM

#15

Tinkerer

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I am running an X drive upper with an IMCO Sc -3 lower behind a 598 CI at 800 HP - 26 Daytona - prop is fully surfaced, water goes under bullet at speeds over 100 MPH, no issues yet

11-11-2019, 06:03 AM

#16

Quinlan

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Pretty light boat also ^^^^^

11-17-2019, 09:35 PM

#17

Tinkerer

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#4500 empty. that is not a light boat for a single, Twin engine splits the load.
My 34 SCARAB was #10,000 dry with Bravo uppers and Imco -2 SC lowers, 509 CI at 650 HP

Last edited by Tinkerer; 11-17-2019 at 09:38 PM.

11-19-2019, 02:19 PM

#18

offshoredrillin

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I run sc lowers on my tiger at 850, no issues as of yet... i will do dual shafts down the road as I'm taking it to 1000 per side.

12-05-2019, 09:03 AM

#19

Bappiari

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I have an SCX 1400 lower for sale with only a few hours on it. Just was completely gone through and is 100%. They are bulletproof. It is 1:50 gear ratio. I have a 1" spacer for it as well.

12-05-2019, 09:04 AM

#20

Bappiari

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Quote:

Originally Posted by rvtransport

I am ready to order some drives and for sure going SCX upper but thinking SC lower. Will SC lower hold up to 800HP? I know dual down shaft is option but expensive! SCX lowers are pretty good deal but have been told they will slow boat down considerably compared to SC. Any opinions....

I have an SCX 1400 lower for sale with only a few hours on it. Just was completely gone through and is 100%. They are bulletproof. It is 1:50 gear ratio. I have a 1" spacer for it as well.

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