Superbabi !! Heres your pics of your Y2K
06-07-2006 | 01:58 PM
#3021
Driver-441
Joined: Aug 2004
Posts: 12,013
Likes: 1,516
From: Lake George
Re: Superbabi !! Heres your pics of your Y2K
Originally Posted by Pat McPherson
Hi Gary,
Mercury topically sets the rev limiter 150 to 200rpm higher than the maximum recommended rpm for a given engine.
The max recommended rpm for your engine is 5200rpm correct? Likely the rev limiter is set at 5350rpm...
Yes, the components used to build the 600 would likely work without failure to 5500-5600rpm. It is a bit more complicated than just changing the rev limiter in the computer though. The fuel mapping would also need to be changed to allow for the proper mixture at high rpm or the engine would run lean.
Another thing to consider are the valve-train components used. Even if you did spin the engine faster, would it actually make more power? Probably not, because the cam shaft used was likely designed to make peek HP at around 5200rpm in this 502 cube engine...
I maintain that the best way to get more HP out of your 600 is to turn up the boost...
From speaking with different prop gurus, I would say prop your boat to reach 5200-5300rpm with a vary light load. And I would define a vary light load as 1 person and 10 gal. of gas...
Mercury topically sets the rev limiter 150 to 200rpm higher than the maximum recommended rpm for a given engine.
The max recommended rpm for your engine is 5200rpm correct? Likely the rev limiter is set at 5350rpm...
Yes, the components used to build the 600 would likely work without failure to 5500-5600rpm. It is a bit more complicated than just changing the rev limiter in the computer though. The fuel mapping would also need to be changed to allow for the proper mixture at high rpm or the engine would run lean.
Another thing to consider are the valve-train components used. Even if you did spin the engine faster, would it actually make more power? Probably not, because the cam shaft used was likely designed to make peek HP at around 5200rpm in this 502 cube engine...
I maintain that the best way to get more HP out of your 600 is to turn up the boost...
From speaking with different prop gurus, I would say prop your boat to reach 5200-5300rpm with a vary light load. And I would define a vary light load as 1 person and 10 gal. of gas...
06-07-2006 | 04:11 PM
#3022
Registered
Joined: Aug 2004
Posts: 5,876
Likes: 1
From: Toms River, N,J
Re: Superbabi !! Heres your pics of your Y2K
Originally Posted by Pat McPherson
Hi Gary,
I maintain that the best way to get more HP out of your 600 is to turn up the boost...
I maintain that the best way to get more HP out of your 600 is to turn up the boost...
06-07-2006 | 04:57 PM
#3025
Driver-441
Joined: Aug 2004
Posts: 12,013
Likes: 1,516
From: Lake George
Re: Superbabi !! Heres your pics of your Y2K
Originally Posted by Superbabi
Boost up to 700-800 and the NXT-1 drive. 
The only issue with mucha boost (other than getting an nxt1 drive 
)is no more running hard on pump gas. 
You can stay out of boost and run on 87-89 but for boost at 7-9lbs you need octane in the 90's. 
06-07-2006 | 07:43 PM
#3027
VIP Member
Joined: Oct 2002
Posts: 5,246
Likes: 3
From: Ivoryton, CT
Re: Superbabi !! Heres your pics of your Y2K
Originally Posted by Superbabi
Boost up to 700-800 and the NXT-1 drive.
Has anyone cracked the code on the 600's computer yet?
Well, I guess what I'm asking, is there a reasonable upgrade for the 600 yet?
I know you like Merc Racing stuff but I believe Maxwort and Bmax have Bravo mods that will handle 750-800HP. Got to be a lot less $$ than the new Merc drive and you can get one. Go to the Bravo Shop web page, I think they will even warranty their modified Bravo drive for 750-800HP.
__________________
Patrick
Patrick
06-10-2006 | 08:09 AM
#3030
Driver-441
Joined: Aug 2004
Posts: 12,013
Likes: 1,516
From: Lake George
Re: Superbabi !! Heres your pics of your Y2K
Originally Posted by Superbabi
Pat all lips are sealed with reguards to the 600sci up grades for boost. I may have to go to plan " B "
I may have to go to plan " B "
