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-   -   First start up on my new big block :) (https://www.offshoreonly.com/forums/general-q/299823-first-start-up-my-new-big-block.html)

Mtuned 07-15-2013 10:25 PM


Originally Posted by Sydwayz (Post 3959368)
Sounds good, but you need to trim that outdrive down to neutral or just slightly above neutral; or you are going to be pulling it all apart again to replace the U-joints or worse on your Bravo. That's why trimmed all the way up is called the "trailer position."

With a Bravo setup; the drive shaft is spinning as soon as your start the motor. The "clutch" and "shift" mechanism are in the top of the drive. You are putting a terrible bind on your U-joints; NOT good at all.

When are you installing the hydraulic steering?


Thanks for the tip, its not at full trailer. But i can see exactly what your talking about! And really appreciate the tip! I'm just looking at the different systems now. I do wish to go dual ram. Any suggestions?

Sydwayz 07-15-2013 10:26 PM

IMCO would be my first choice since Marine Machine is now semi-retired.

Mtuned 07-15-2013 10:40 PM


Originally Posted by Sydwayz (Post 3959374)
IMCO would be my first choice since Marine Machine is now semi-retired.


http://www.cpperformance.com/p-13898...rn-drives.aspx

How would this system do?

Griff 07-16-2013 01:01 AM

Make sure to go with dual ram full hydraulic to the helm and not just an add on system.

Sydwayz 07-16-2013 05:09 AM


Originally Posted by Mtuned (Post 3959383)

Ideal.

cp5899 07-16-2013 07:49 AM

Congrats on getting your new engine done. I got mine done a couple months ago and its a great feeling. Now that I have the drive fixed we are back to running it. What prop are you running? 70 at 3000 is fast. I have bad slip at 3000-3800. I only get about 50-55 at 3500 with a 32p bravo. It really starts to hook up about 4000 and up.

Mtuned 07-16-2013 08:16 AM


Originally Posted by cp5899 (Post 3959489)
Congrats on getting your new engine done. I got mine done a couple months ago and its a great feeling. Now that I have the drive fixed we are back to running it. What prop are you running? 70 at 3000 is fast. I have bad slip at 3000-3800. I only get about 50-55 at 3500 with a 32p bravo. It really starts to hook up about 4000 and up.


I think i have the link to my prop in the first post. Its a hydromotive 30P I get high slip at 3000 if im nose down. Once i trim nose up it slingshots. Every haul is very different

Mtuned 07-16-2013 08:40 AM


Originally Posted by Griff (Post 3959422)
Make sure to go with dual ram full hydraulic to the helm and not just an add on system.

What is the difference between the two in terms of safety? Or is the full helm just nicer drive? Big price difference so just asking :)

Griswald 07-16-2013 08:47 AM

70mph/3000rpm/30p/assume 1.5 = -23% slip?
1.36=-12%

how much sugar is in that koolaid? just sayin...

Mtuned 07-16-2013 12:15 PM

You are 200% correct, very sorry it was 4000 rpm. Was not trying to pull one over on anyone. Just honest mistake


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