850 merc

Reply Subscribe

Thread Tools

02-13-2009, 08:01 PM

#11

tblrklakemo

SeaRay Sundancer

Gold Member

Join Date: Nov 2005

Location: SW Missouri

Posts: 2,914

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by DMOORE

I heard the opposite. Black is flywheel, blue is prop.

Darrell.

Black is most certainly crank hp.

We know 525's are more like 540ish at the crank and 500 at the prop.

Last edited by tblrklakemo; 02-14-2009 at 01:49 PM.

02-14-2009, 01:32 PM

#12

shawn

Registered

Join Date: Oct 2000

Location: Fells Point MD

Posts: 532

Likes: 0

Received 0 Likes on 0 Posts

Then why is my HP500 470 HP at the prop?

02-14-2009, 01:48 PM

#13

tblrklakemo

SeaRay Sundancer

Gold Member

Join Date: Nov 2005

Location: SW Missouri

Posts: 2,914

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by shawn

Then why is my HP500 470 HP at the prop?

bc its more like 515-520 at the crank

02-14-2009, 01:52 PM

#14

Griff

Charter Member # 55

Charter Member

Join Date: Oct 2000

Location: Omaha/LOTO

Posts: 19,657

Likes: 4,377

Received 1,890 Likes on 950 Posts

How Merc rates HP, whether its at the prop or crank has changed several times and varies depending on year and engine.

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

850-900hp what you think?

01hammer

General Q & A

10-18-2008 08:42 PM

Supercat 850

Xtremeracing

Super Boat International

10-11-2007 12:39 AM

Merc 850 Horsepower and Fuel

kcgbjc

General Boating Discussion

04-15-2005 05:58 PM

merc style or headers for 850 hp engine?

timucin

General Q & A

03-02-2004 08:33 PM

Holley 850?

dyno

General Q & A

04-20-2003 10:02 AM

Posting Rules

You may not post new threads

You may not post replies

You may not post attachments

You may not edit your posts

BB code is On

Smilies are On

[IMG] code is On

HTML code is Off

Trackbacks are On

Pingbacks are On

Refbacks are On

Forum Rules

Reply Share

First
Prev
2 / 2
Next
Last