Help! Newbie daft mercruiser outdrive questions

[powerabout]

From the jackshaft/tailstock parts page for alpha and Bravo
Any Mercruiser dealer will have this

[Ruaraidh]

Hi,

A production motorcycle engine has a WOT Life at peak power speed of around 20-35 hours depending on Manufacturer (Honda is best!!). Typically, a road car engine (depending on how recently it was designed) will do around 180-300hrs at WOT max speed depending on the manufacturer.

Bike engines have a very hard life when transplanted into a car. In a boat, you will be rebuilding often...... Pistons rods & cranks will suffer all badly...

To help out, you could properly bush the small end eyes and drop the compression somewhat. I do feel that you will struggle for engine life though depending on what boat you are trying to push.

Cheers,

Ruaraidh

[mr hot rod]

Originally Posted by MikeA67

I am looking for part #45 in your image. can you give me some information about what book this diagram is from?

Here's a link to MerCruiser drive shaft extension components :

http://www.perfprotech.com/store/ass...,1014-450.aspx

As powerabout has stated, a Mercruiser dealer can hook you up with the right jackshaft/tailstock parts.

What size/weight boat is this going into and what are your performance expectations ??

__________________
Paul Kane Chelsea, PQ

Building the Glen-L Hot Rod : http://www.boats.chelseacoachworks.com

[MikeA67]

Thank you.