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-   -   502 with M1sc (https://www.offshoreonly.com/forums/general-q/244018-502-m1sc.html)

ezstriper 12-15-2010 07:52 AM

Hope so....going to need some my self....new project going to be running a HP500 with a M3 and switching to a carb setup...talking the EFI off..

kragar 12-15-2010 07:58 AM

Thanks Guys. Will contact him in the new year when I start to install the system. Again, I am new to boost on boat. Seen turbos on 4 stroke sleds and they live quite well as long as you dont get greedy. At 5 PSI, I will be happy.

FIXX......10 mph on a 22ft? What do you think my 25 outlaw will gain moving up to a 28p prop and 5 PSI?

GRH 12-15-2010 08:07 AM

I ran an M1SC on a 496Mag for over 200 hours with no issues.... new owner is still running it with no issues.... follow the Procharge installation instructions to the "T"... with the 3lb pully you do NOT need to reprogram the ECM.... you will increase the fuel pressure to account for the need.... kit come with a new fule pump... mine did anyway...you'll need to run 75-80lbs at full throttle... 35-40 lbs at idle... great system.... in my case I went from a 24" prop to a 28" prop... an increase of 12mph! I never ran the 5lb pully because then you need to reprogram the ECU & change injectors.... Have fun!

Jeff P31 12-15-2010 11:11 AM


Originally Posted by ezstriper (Post 3274963)
Hope so....going to need some my self....new project going to be running a HP500 with a M3 and switching to a carb setup...talking the EFI off..

A lot easier to set up with carb's . Been running M1's on HP500's for over 250 hours with no truobles at 7 psi. If I can help with a base line to start with feel free to drop me a line. Jeff

FIXX 12-15-2010 06:59 PM


Originally Posted by kragar (Post 3274964)
Thanks Guys. Will contact him in the new year when I start to install the system. Again, I am new to boost on boat. Seen turbos on 4 stroke sleds and they live quite well as long as you dont get greedy. At 5 PSI, I will be happy.

FIXX......10 mph on a 22ft? What do you think my 25 outlaw will gain moving up to a 28p prop and 5 PSI?

one guy on donzi.net with a 454 mag 385 hp gets 92 out of his 22 but he also has a shorty lower...to give you a accurate answer and to be honest with you i really dont know how the baja's run so i would just be blowing smoke..your going to have to run your current prop on the set up after you get it done.That's why for one reason to raise your rev limiter, i wouldn't go higher then 5400 rpms..then use the prop calculator to figure out your prop slippage and then which prop to go with..make sure you use your gps on the speed your running then calculate your pitch to the rpm's you want to run..

if your going to be running above 70 mph you may want to look into hydraulic steering..


Originally Posted by GORT (Post 3274975)
I ran an M1SC on a 496Mag for over 200 hours with no issues.... new owner is still running it with no issues.... follow the Procharge installation instructions to the "T"... with the 3lb pully you do NOT need to reprogram the ECM.... you will increase the fuel pressure to account for the need.... kit come with a new fule pump... mine did anyway...you'll need to run 75-80lbs at full throttle... 35-40 lbs at idle... great system.... in my case I went from a 24" prop to a 28" prop... an increase of 12mph! I never ran the 5lb pully because then you need to reprogram the ECU & change injectors.... Have fun!

a 496 and a 502 efi are two different animals,cant compare the two...

Plus Man 12-17-2010 10:56 AM

Lets get to the bottom of this ????
 
I am a little confused on your comment are you sure you are adding your kit to see 70 with 5 people or could it be that you are afraid of the 454mag and the 496mag in the Advantage and Commander ? :kiss:

kragar 12-17-2010 12:42 PM


Originally Posted by Plus Man (Post 3276938)
I am a little confused on your comment are you sure you are adding your kit to see 70 with 5 people or could it be that you are afraid of the 454mag and the 496mag in the Advantage and Commander ? :kiss:

Acording on here, I dont need to worry about your stock pistoned 496 on boost:evilb:


Something we are also looking into is Meth injection set to come on at 3.5PSI of boost for added insurance. Any thoughts?


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