expected mph gains?

Reply Subscribe

Thread Tools

02-13-2004, 08:22 AM

26sonic

Platinum Member

Thread Starter

Join Date: Feb 2001

Location: poughkeepsie, ny, usa

Posts: 1,198

Likes: 0

Received 0 Likes on 0 Posts

expected mph gains?

3 identical boats one with 500efi( 470pshp) runs 72-73 mph gps ,one with 525sc(490pshp) runs 75 mph gps what would the same boat run with 575 efi (550pshp) ?

02-13-2004, 09:04 AM

ursus

Guest

Posts: n/a

I get 79 using old rule of thumb

SQRT (new hp)
----------------------- x Old speed = New speed
SQRT (old Hp)

02-14-2004, 01:29 PM

26sonic

Platinum Member

Thread Starter

Join Date: Feb 2001

Location: poughkeepsie, ny, usa

Posts: 1,198

Likes: 0

Received 0 Likes on 0 Posts

ttt

02-14-2004, 04:22 PM

zt260

Registered

Join Date: Dec 2003

Location: Hudson River, NY

Posts: 615

Likes: 0

Received 1 Like on 1 Post

80MPH no more....

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

what speeds can be expected?

jmoore1225

Fountain

07-29-2008 12:00 PM

What speeds could be expected

Courtholl

Pantera

04-19-2006 07:55 PM

mph gains with mods?

26sonic

General Q & A

01-20-2004 08:48 PM

MPH is lower than expected...

diveboy

Sunsation

06-05-2002 08:57 AM

MPH is lower than expected...

diveboy

General Q & A

06-01-2002 12:32 PM

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
1 / 1
Next
Last