A little help identifying my engine please...

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

Chris, what exactly would cooled manifolds look like? Where would the inlet/outlets be located? What don't you see that you should? Could you insert an image or pic as a visual please. Thanks for your time. Gary
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

I would suppose so. The only thing I have gotten clearly is the hull number off the transom. Everything else is a bear. I got the funds and time to make this right, but I just need to know what to tell the marine shop service in regards to my exact engine. Do I take this "auto" carb, fuel pump, etc., and just say "please match this up?" I believe a previous reply said I may get away with just telling them it's a 350 Chevy (GM) small block and that may do. I feel like I'm spinning my wheels in mud.
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: A little help identifying my engine please...

I'm not Chris, I'm Don.
On Mercruisers, the cooling water typically came in through the bottom center of the manifold and circulated through the manifold and then went out through the risers. The way yours is set up, the water goes in and out the riser never going through the manifold.
But they also had more outlets on the thermostat housing back in the early 80's. Your whole cooling system is home made and nothing like Mercruisers of that era.
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
51,874
Re: A little help identifying my engine please...

you have a junkyard dog, and you want the mechanic to turn it into a purebread. get an estimate before work is done. you may want to rethink the "funds and time" comment.

just a quick estimate of what your looking at:
new marine carb - ~ $400 -$600
new marine distributor - ~$300
new marine fuel pump - ~ $50
new marine coil - ~ $50
new plug wires - ~$55
new marine starter - ~ $250
new harness - ~ $200
misc - $200 - $400
new proper marine hoses - ~ $150

labor at a marina - about 1500 - $2000

hopefully there is no water damage issues. there appears to be standing water in the bilge around the bilge pump.
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

Sorry Don! I'm trying between bouncing back and forth on all these great replies. Thanks for the input, I'll be sure to have the marine service tech look at the cooling system and especially the manifolds.
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

Thanks, Scott. The water standing is from the water temp sensor that I replaced. The nipple was broke off so I pulled it out (losing water out the block, of course) and threaded in a new one.
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

you have a junkyard dog, and you want the mechanic to turn it into a purebread. get an estimate before work is done. you may want to rethink the "funds and time" comment.

just a quick estimate of what your looking at:
new marine carb - ~ $400 -$600
new marine distributor - ~$300
new marine fuel pump - ~ $50
new marine coil - ~ $50
new plug wires - ~$55
new marine starter - ~ $250
new harness - ~ $200
misc - $200 - $400
new proper marine hoses - ~ $150

labor at a marina - about 1500 - $2000

hopefully there is no water damage issues. there appears to be standing water in the bilge around the bilge pump.

Not a purebred, just a safe boat to enjoy with my wife, daughter, family, and friends. it doesn't need to be the cat's meow;)
 

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,480
Re: A little help identifying my engine please...

all those are needed to have a safe, coast guard compliant vessel
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Re: A little help identifying my engine please...

Probably going to be cheaper for you to find a boat with an engine that someone didn't winterize properly and now has a cracked block... and transfer the good MARINE parts from the dead one to yours... Any marine shop who gets to quote on that is going to be rubbing there hands together... You're giving them an open cheque....

If you have the skills, do it yourself and save a heap of cash, and know the job's done right...

Chris......
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

Here's the thing, Chris... I have been around boats all my life. I have driven, launched, and docked them. I know rules, courtesy, and think safety first. The boat was a steal, and now I see why. I pulled out a V6 in my '78 Olds (my first car) and replaced it with a 350/4bbl carb, a bigger transmission with an added shift kit (my friend actually did that,) better torque converter for stall speed modification, and so on. I spent over 2 months rebuilding the 350 in my dad's garage (much to his dislike with all the oil and grease on his nice, well-kept floor. At any rate, my mindset is "automotive," because this motor looks very much like my 'ol Olds from 25 years ago. I am mechanically inclined enough to change the carb, distributor, starter, alternator (which I did and the marine shop tech even said the other one WAS in fact an automotive alternator) and spark plug wires. A girl that I dated from 1986-1989 had an uncle a few houses down and I learned much from days of trolling, swimming, water-skiing, and helping him maintain his Baja and then a cabin cruiser when they adopted their children... BUT I am new to the engine and stern-drive elements in regards to MARINE compliance. I can do almost anything in reference to those parts posted previously even re-wiring with a new harness and being sure to use marine connectors, not regular ones. The only problem I will need to research and have a specialist facilitate is the manifold cooling issue. I'm OK with doing the work because I like to "flashback" to my teenage years into my early 20's, I love to learn, and I take pride in doing things right. I just don't understand how people can do things half-assed and then take their family or friends out on the waters with a clear conscience. many people on this thread have explained that this engine is basically setup to be an explosion waiting to happen. That is unbelievably pathetic and disturbing;absolutely unacceptable in my eyes. I appreciate you taking the time to provide me with your knowledge, experience, advice, input, and feedback. Many, many thanks, Chris!!!
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

A HUGE "Thank you" to all that have replied with their input. I appreciate you taking the time to provide me your wisdom, experiences, insights, and specifics into the issues I need to address. I am a man among gods;)
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

all those are needed to have a safe, coast guard compliant vessel

It will be done. I already told my wife and daughter to hang tight because I am not launching the girl until the CG looks it over. I want to have fun underway with them, but only when it may be done with a clear conscience. Thanks, Doctur!
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Re: A little help identifying my engine please...

Ok... I've had a look at all the photos you've posted (both this thread and the other) and I'm having a bit of a guess on the era.. The drive is definitely an MC-1, it has gimbal senders and the upper has a squared off 'tail'. That puts it in the early 80s.

The engine is of no help whatsoever, because it's nothing remotely like original, but some things do fit with the 80s era. Mechanical fuel pump, edge bolts on the rocker cover and centre riser exhaust manifolds...

Given that I am in the right ball-park, I can guide you to the right manuals... (I hope)....

Engine (manual #3) -> https://docs.google.com/open?id=0B1TAvwZ3Tjhfdk9PRXBWWExTU084dXpoTUhqRk9vZw
Drive (manual #4) -> https://docs.google.com/leaf?id=0B1...ODAxOS00YWZjLWFmZDgtZjMxNjQxOTkzMzUz&hl=en_GB

These are the genuine article (not seloc or clymer!!:eek:), so download and SAVE them....

As for replacing with marine parts, the carb I'd put on is an Edlebrock 1409 (available from, apart from other places, Summitracing), and I'd look around for a cast iron intake manifold, that ali one won't last a season in seawater... I'd just put fittings on the bottom of the exhaust manifolds, and I'd use a late (mid 90s) model thermostat housing... Merc changed the design and the new ones use way less hoses and actually work better.... Starters and alternators, try http://www.dbelectrical.com/ ... I'd also look at putting an electric fuel pump (with the appropriate switches ect..) Also while you up to your armpits, put an alarm on the oil pressure and coolant temp... (Have a search around here and you'll find I've recommended it to a few people, included all the part numbers you need)

I hope this can help you....

Chris.....
 
Last edited:

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: A little help identifying my engine please...

Don, Please see the attached pic...wouldn't the manifold receive water via the route pointed out? Thanks!View attachment 151862

I am referring to the exhaust manifolds, not the intake manifold. The exhaust manifolds have no water going to them, only the exhaust elbows.
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: A little help identifying my engine please...

this might help.type of cooling and type of therm housing will determine hose configuration
http://www.boatfix.com/merc/Techbk/97/97hga6.pdf

True, but tell me one setup by any manufacturer that doesn't have cooling water going to the manifolds, only the risers. (Hint-There isn't one) That is what I am getting at. Who knows what his thermostat housing came off of, it's not a Mercruiser that I have ever seen, so really hard to say how it works.
 

RogersJetboat454

Commander
Joined
Jul 9, 2010
Messages
2,964
Re: A little help identifying my engine please...

I'd look around for a cast iron intake manifold, that ali one won't last a season in seawater.

Not to mention that open plenum aluminum job wasn't designed for the RPM ranges of your typical boat. It probably puts a pretty good hurting on lower end performance.
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
71,357
Re: A little help identifying my engine please...

Not to mention that open plenum aluminum job wasn't designed for the RPM ranges of your typical boat. It probably puts a pretty good hurting on lower end performance.

Wow,... Just looked at the pic in post 34,.... Wow,.....

Cobb Job heaven...

I like the plugs wires, up, over, 'n 'round....'n Through the manifolds.... :facepalm:
 

gwizzar

Petty Officer 2nd Class
Joined
Jun 7, 2012
Messages
179
Re: A little help identifying my engine please...

Not bad, Scott!!! I took pics of everything to the local marine shop today and I have a MARINE block, but EVERYTHING else is automotive. Fortunately, I got the boat for a steal.. Here's the story.. I purchased the boat for nearly nothing as my neighbor needed money for his daughter's high school graduation party. He "inherited" the boat from his father-in-law and said the engine had been rebuilt a couple of years ago. WRONG... After taking many, many pics to the marine shop about 8 miles away, what happened was the old engine was pulled and replaced with a marine block, BUT everything else was automotive... the starter/solenoid, distributor, spark plug wires, carburetor, alternator, and fuel pump ARE NOT MARINE. I just order everything for over $1,500. Here's a comparison of what you posted versus what I purchased... You were pretty darn dead-nuts on!!!

just a quick estimate of what your looking at:
new marine carb - ~ $400 -$600 HYO-80552 CARB W/ELEC CHOKE $587.80
new marine distributor - ~$300 SIE-18-5483 $474.00
new marine fuel pump - ~ $50 M/C #8M0058164 $146.06
new marine coil - ~ $50 (TBD)
new plug wires - ~$55 M/C #84-816761629 IGN.WIRE SET ($81.58)
new marine starter - ~ $250 (M/C STARTER/SOLENOID ($189.00 + $30.00 TO MARINAIZE THE 'AUTOMOTIVE ONE' CORE)
new harness - ~ $200 (TBD- MARINE SHOP TECH SAID TO CHECK EBAY OR WEBSITES FOR BETTER PRICE AND CONNECT-ABILITY)
misc - $200 - $400 (TBD)
new proper marine hoses - ~ $150 (TBD)

labor at a marina - about 1500 - $2000 (**MARINE SHOP "WON'T PUT A WRENCH ON" BOATS WITHIN THIS CONDITION;SAYS IT'S NOT HARD TO BRING THEM UP TO COMPLIANCE, BUT JUST A WASTE OF THE SERVICE TECH'S TIME) TECH SAID IT'S NO DIFFERENT THAN CHANGING THE ALTERNATOR, CARB, STARTER, DISTRIBUTOR, AND FUEL PUMP ON AN AUTOMOBILE OF LATER YEARS.

hopefully there is no water damage issues. there appears to be standing water in the bilge around the bilge pump. (*THE STANDING WATER WAS FROM WHEN I REMOVED THE WATER TEMP SENSOR FROM THE PORT-SIDE OF THE BLOCK. THE NIPPLE WAS BROKEN OFF AND I LOST WATER WHILE REPLACING WITH THE NEW ONE.
 

Fishermark

Vice Admiral
Joined
Oct 19, 2003
Messages
5,617
Re: A little help identifying my engine please...

Be sure to shop around. Those prices are way higher than you need to pay. Just a couple of examples:

Edelbrock 1409 at Summitracing - only $360.

edl-1409.jpg





New marine starter at D&B Electric - $60
wolthuis.aspx


That's just a couple of examples.
 
Top