if u r a boat mechanic please explain

[spareparts]

good info on here
http://www.jalopyjournal.com/forum/s...ght=mercruiser

and here
http://bpi.ebasicpower.com/c/MER6A/3...for+Mercruiser

[aussie]

well i decided to do the 3.7 up watching some heads on ebay us the guy said he can post them for $175 so i will go the full hog do what ever it needs rebore . balance... rollers . mild solid regrind .timing chain. speedy sleve on camshaft . head stud kit..cut intake and fit 4 barrell plate..get dizzy recurved...fit a air fuel ratio gauge to get the mixtures right...electronic kit..solid lifter..3/8 pushrods...the heads need no work new well i have to buy 2 just thinking if i can enlarge the exhaust outlet on the transome....and too i may run it on a engine dyno to get a horse power and tork reading my mate said he will do it so when i have it done ill post some stuff well i better get of of here and start making some cash and i mite see if i can get rid of that harmonic balancer and find something better well cheers for now

ill post some pics of the engine when its appart if u like

[Road King Cole]

Hi Aussie.

Sure, pictures would be great. 'love to follow projects such as yours.

Are you planning on using your V20 on a lake or the ocean? I use mine on the ocean and find my 470 just fine as is. Get's up and planes easily. I will need a very calm sea to run WOT for any length of time. Not once did my wife ever wish it had more power...

I am not a mechanic, and interested in your comment about removing the harmonic balancer. Is that risky? how much more power would one get?

thanks,

rkc

[aussie]

finally someone who has shown a interest in what im doing with where im using it it will be the sea but i took it for its first run on a lake cause i think they work harder it was doing 32mph at 4000rpm when the pushrods broke and there not a standard push rod there a 5/16 herden pushrod the only way for then to bend is hit a piston or the rocker to bottom out i could easily repair what i got but its a 1988 model and due for a freshen up well the theroy on most engines is one hp per cubic inch in mild performance so i hopeing 220 plus hp once i get it appart ill inspect it and see what i can upgrade with even the pistons will be changed to a thinner ring and if posible a longer conrod which give the piston a longer dwell time on tdc which means more tork i wish there was someone else here who had the same engine so wee could split the parts and cost ill keep u up dated not just biulding for big revs 5500 max so i say around 45mph
cheaper than putting a outbaord and i will have to run hi octane pump fuel but will still be cheaper than running a 2stroke sooryy with the balncer a bigger one would stop alot of harmonics and vibration if u r not using the old charging system there no need to use that type weel i no for sure when i strip it
look like it will be next week cause i have been limited with a bad back THANKS FOR YOUR INTEREST

[aussie]

decided it will be a edelbrock proformer head at $1200

[Destroyer]

Originally Posted by aussie

finally someone who has shown a interest in what im doing with where im using it

Don't misunderstand us Aussie, speaking for myself and I'm sure a lot of the guys here, we're very interested in your project. Lack of communication does not automatically mean a lack of interest. Rest assured, if people were not interested, you would not be getting the all the replies you have been getting.

[aussie]

Originally Posted by Destroyer

Don't misunderstand us Aussie, speaking for myself and I'm sure a lot of the guys here, we're very interested in your project. Lack of communication does not automatically mean a lack of interest. Rest assured, if people were not interested, you would not be getting the all the replies you have been getting.

yes your rite people have been great on here