Like Tree0Likes

what is the difference between 500 efi and 525 efi

Reply
Old 10-02-2008, 09:59 AM
  #1
Registered
Thread Starter
 
Join Date: Sep 2008
Posts: 28
Default what is the difference between 500 efi and 525 efi

except one being a newer model what are the differences between 500 efi and 525 efi what is an average running time untill the rebuilt of a 500 efi and is there any disadvanteges for that type of engine .
thanks
tcm07 is offline  
Reply With Quote
Old 10-02-2008, 10:21 AM
  #2
Registered
 
Join Date: Feb 2004
Location: MT. JULIET, TN.
My Boats: '99 33 Outlaw HP 500's,
Posts: 3,698
Talking

25 efi's.
kennyo is offline  
Reply With Quote
Old 10-02-2008, 10:33 AM
  #3
Registered
 
Join Date: Apr 2005
Location: San Diego, Ca
My Boats: 1980 scarab S-type
Posts: 951
Default

differences- 525 has alum. heads and FWC.
Westcoast is offline  
Reply With Quote
Old 10-02-2008, 10:47 AM
  #4
Registered
 
outriggers's Avatar
 
Join Date: Nov 2003
Location: Clinton N.J.
Posts: 946
Default

Some good info: http://www.offshoreonly.com/forums/s...ghlight=500efi I think the bottom end is also different.
outriggers is offline  
Reply With Quote
Old 10-02-2008, 10:52 AM
  #5
Registered
 
Join Date: Jun 2006
Location: Seneca Lake
My Boats: Velocity 2008 290 600 SCI , whipple stage 2 kit. Sea Ray 1989 Sorrento S-19
Posts: 253
Default

Quote:
Originally Posted by tcm07 View Post
except one being a newer model what are the differences between 500 efi and 525 efi what is an average running time untill the rebuilt of a 500 efi and is there any disadvanteges for that type of engine .
thanks
65 more hp in 525 efi
wellcrafted is offline  
Reply With Quote
Old 10-02-2008, 11:25 AM
  #6
Platinum Member
Platinum Member
 
Knot 4 Me's Avatar
 
Join Date: Jun 2005
Location: Central IL
My Boats: Old/Heavy/Slow
Posts: 6,660
Default

Closed cooled, Edelbrock aluminum heads, long tube vs. E-top headers, etc..
Knot 4 Me is offline  
Reply With Quote
Old 10-02-2008, 11:28 AM
  #7
Registered
 
Gladhe8er's Avatar
 
Join Date: Jan 2006
Location: Fairfield, CT
My Boats: 2005 Active Thunder 28
Posts: 3,693
Default

Both motors should get a top-end job around 200-250 hours.
Gladhe8er is offline  
Reply With Quote
Old 10-02-2008, 12:15 PM
  #8
Diamond Member #001
Charter Member
Trade Score: (2)
 
C_Spray's Avatar
 
Join Date: Oct 2000
Location: Coastal North Carolina
My Boats: 2000 Formula 382 with Innovation 600's
Posts: 4,789
Default

The short answer is that there is quite a big difference. Other than both being 502's, they don't share much beyond the basic block and intake manifold
__________________
Retired! Boating full-time now.
C_Spray is offline  
Reply With Quote
Old 10-02-2008, 12:21 PM
  #9
Registered User
 
Join Date: Oct 2003
Posts: 9,495
Default

Quote:
Originally Posted by kennyo View Post
25 efi's.
I knew something like this was going to be in the first replies and I STILL laughed.
Chris Sunkin is offline  
Reply With Quote
Old 10-02-2008, 03:47 PM
  #10
Registered
 
Join Date: Oct 2007
Location: Toms River, NJ
My Boats: WWW.SHOREMOTORSPORTS.COM 732-349-2999
Posts: 205
Default

Quote:
Originally Posted by kennyo View Post
25 efi's.
dagnabit, that was what i was going to say
panicrev is offline  
Reply With Quote
Reply

Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
durbin3
General Q & A
3
02-12-2006 04:25 PM
gsmith9898
General Q & A
8
10-20-2005 03:25 PM
Harper220
General Boating Discussion
0
01-08-2005 04:23 PM
enticer
General Q & A
4
04-29-2002 04:38 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



All times are GMT -5. The time now is 12:24 PM.


Copyright 2011 OffShoreOnly. All rights reserved.