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-   -   Mercruiser 502 Gen VI (https://www.offshoreonly.com/forums/general-q/168926-mercruiser-502-gen-vi.html)

markku4444 09-17-2007 01:36 PM

Mercruiser 502 Gen VI
 
I have a twin engine set up in my boat and need more power,the engines are bored to 509 cui approx 600 HP N/A carburated,do anybody out there know if the 502 Gen VI standard blocks can be supercharged or do i have to change the blocks to bow tie blocks,and what blowers are the best to use.

KDAWG 09-17-2007 01:42 PM

markku how close to indy? if close call bill shumaker 317-862-3919. he seems to have a good system for these engines. i personnally am looking in having my engines supercharged. good luck.

Griff 09-17-2007 01:49 PM

Sure you can supercharge them.

markku4444 09-17-2007 01:56 PM


Originally Posted by KDAWG (Post 2274659)
markku how close to indy? if close call bill shumaker 317-862-3919. he seems to have a good system for these engines. i personnally am looking in having my engines supercharged. good luck.

Not close to indy at all i am located in Sweden Gothenburg.

badluck 09-17-2007 07:47 PM

No problem to supercharge them, keep compression around 8:1 and use inconel exhaust valves and severe duty intake and make sure your fuel system is up to the task.

I live in GBG as well.

BL

markku4444 09-18-2007 09:08 AM


Originally Posted by badluck (Post 2275178)
No problem to supercharge them, keep compression around 8:1 and use inconel exhaust valves and severe duty intake and make sure your fuel system is up to the task.

I live in GBG as well.

BL

Tjena GBG what kind of boat do you drive

badluck 09-18-2007 07:34 PM

Fontain 27 with a HP500 carb. I'm currently in the process of rebuilding a 525SC. What's your ride?

markku4444 09-19-2007 08:55 AM


Originally Posted by badluck (Post 2276567)
Fontain 27 with a HP500 carb. I'm currently in the process of rebuilding a 525SC. What's your ride?

Fountain 39 made for the US Navy Seals,i have a few pictures in the propeller forum of it.

pkspx 09-19-2007 09:05 AM


Originally Posted by markku4444 (Post 2277082)
Fountain 39 made for the US Navy Seals,i have a few pictures in the propeller forum of it.

propeller forum!? 39 Foutain!?

markku4444 09-19-2007 09:12 AM


Originally Posted by pkspx (Post 2277093)
propeller forum!? 39 Foutain!?

Yes in the Prop Talk forum it says, A BIG PROBLEM NOT PLANING


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