"Blown" Ford 351 |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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Belzona, that's some kind of moisturizing facial creme isn't it?
Good luck, hope the rest of the engine is good Hope your skills are good too |
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William777
Senior Member Joined: October-21-2017 Location: Northern CA Status: Offline Points: 149 |
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Thanks guys. Thanks for the laugh Mr.Keno! I needed that. It may be a week before I have a result to post. Face cream, good one.
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1978 Martinique Ford 351 Windsor
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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When you think about it, it may not be the textbook best surefire way to cure your problem, but what do you have to lose except a little time and money on that expensive face cream.
Once again.................good luck Your cooling system sees about 20 psi at high rpm's, just so you have an idea of the pressure involved. Don't forget, cleanliness and preparation is the key. And....................There's no H after the preparation |
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William777
Senior Member Joined: October-21-2017 Location: Northern CA Status: Offline Points: 149 |
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Well, actually preparation H makes for a good face cream. It has properties that shrink the bags under the eyes. So... I don't actually have a point. But, yes, I've nothing to lose. Might use a cheaper option to perform the miracle. Info on the pressure is valuable. I see the port on the timing cover is blocked. Can you describe the water's path through the engine from intake to exhaust?
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1978 Martinique Ford 351 Windsor
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MrMcD
Grand Poobah Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3748 |
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Take a few minutes and read up on lock n stitch products.
I have seen first hand how well they work putting cast iron back together . They repair thousands of engines per year. Most are commercial applications in very expensive equipment. You drill a hole though your crack, insert their plug and then screw a special bolt into their plug. As you tighten the bolt it sucks the crack area tight and then snaps off leaving a flush surface. Sounds odd but is proven technology. There must be Utubes of it being applied.. I first saw it almost 30 years ago. |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Mark, I have first hand experience with the Lock n Stitch and don't feel is a good option at this time. It's too much work and cost considering there's the unknown of other block damage |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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I'm not sure what port you're talking about on the timing cover but the flow path for the water is from the raw water pump to the thermostat housing. From there some goes out the exhaust and some goes into the circulating pump and into the block through 2 ports on the timing cover. It enters the front of the block on each side and then goes up through the heads and comes out the front of the heads into the water passage in the intake manifold that leads to the thermostat housing. There is a water passage on the back of the heads but it is blocked by the intake manifold which has no passages for water in the back. It was designed this way so that either head can be used on either side of the engine. In the thermostat housing there is mixing happening when the thermostat is open with some of the water going to the exhaust and some back through the circulating pump to start the path through the engine again. So.... you always have water going through the exhaust manifolds and when the thermostat is not fully closed you have water flow through the engine When the thermostat is closed you'll have an engine full of water being heated up till the thermostat opens and flow starts This would be for the typical small block Ford marine engine that has no bypass hole around the thermostat. Many times people get confused and think that the thermostat is what lets water into the engine but as you can see it lets hot water out of the engine A picture of what's blocked would be good |
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William777
Senior Member Joined: October-21-2017 Location: Northern CA Status: Offline Points: 149 |
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Thanks for that explanation of the water cycle. Actually I was seeing something in one of the pictures that looked like a plug of some sort but now I think it's just the way the rust has discolored the port. Nothing is blocked. I;m away from the boat now. I have some ideas for the repair, this is the one I'd like opinion on: Use parafin wax to fill just the area behind the hole to be used as a casting substance. Build on that using an epoxy to repair. Start the engine and as it heats it slowly melts the wax which emulsifies and safely shoots out the exhaust?
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1978 Martinique Ford 351 Windsor
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21182 |
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Just fill the cooling passages with cement. No more leaks. More heat = more power.
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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William,
Before going with the wax idea, I suggest seeing how the broken piece fits back into the block. Get the edges of the break as clean as possible and then epoxy the piece back in. Some grinding of the edge may be needed and slightly V the outside edges. You've been watching too many Utube videos! |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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I think you've been sniffing too much Preparation H myself
The really amazing thing though is me and Pete agreeing on how to do a backyard hack repair on your block. Assuming the piece came out as 1 piece, epoxy that sucker in and reinforce over it with more epoxy.and maybe some reinforcing fabric. After it's dry, hook up the water say 3 quick prayers of your choice and turn the key and see what happens |
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Duane in Indy
Platinum Member Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Old drag racing trick Hardblock |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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Duane in Indy
Platinum Member Joined: October-26-2015 Location: Indiana Status: Offline Points: 1578 |
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Then go and get yourself another block. |
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Keep it as original as YOU want it
1978 Mustang (modified) |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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Aw c'mon Duane
Give him some hope |
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Donald80SN
Grand Poobah Joined: January-12-2009 Location: Denver, NC Status: Offline Points: 3896 |
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JB Weld.
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1980 Ski Nautique SOLD Back to Cypress Gardens
2002 Sport Nautique, GT-40, FCT2, Cover Sports, Tower Bimini, Inc., Wet Sounds Audio System, Star Gazer Wake Edition S. 1968 Ski Nautique, Project. |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Ken, Keep in mind I said the following back a few posts:
But Ken, William sure seems bent on getting the engine running in hopes of determining if the block is damaged in other places. Now, I did suggest epoxying the piece back in hopes of getting him off the more complicated method of rebuilding the piece with the wax etc. |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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We all agree on the best route to go being a new block and it seems to me the wax thing would be a disaster.
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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But just think of all the things we could do and make if we first got an idea off Pinterest and then watched youtube on how to build it! |
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William777
Senior Member Joined: October-21-2017 Location: Northern CA Status: Offline Points: 149 |
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I can handle the ridicule.
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1978 Martinique Ford 351 Windsor
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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So...........was it one big piece that broke?
If it was just epoxy it back like what has been mentioned by me and that other hack named Pete |
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William777
Senior Member Joined: October-21-2017 Location: Northern CA Status: Offline Points: 149 |
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It came out in several small pieces. My latest plan is to use a piece of metal screen that has 1/2 inch openings as a sort of rebar with marine epoxy. It's going to work. I'm thinking, we've sent men to the moon, I can repair this little hole.
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1978 Martinique Ford 351 Windsor
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MechGaT
Senior Member Joined: March-09-2015 Location: Chattanooga Status: Offline Points: 271 |
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I think this sounds like a great experiment we could all learn something from.
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'92 Sport Nautique
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GottaSki
Grand Poobah Joined: April-21-2005 Location: NE CT Status: Offline Points: 3362 |
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Only reason its gone this far is everyone is bored and bit punchy each fall after the boats get out of the water.
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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."
River Rat to Mole |
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William777
Senior Member Joined: October-21-2017 Location: Northern CA Status: Offline Points: 149 |
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1978 Martinique Ford 351 Windsor
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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William,
Is that the moisturizing face cream Ken suggested or did you go with his other idea of using Preparation H? |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11087 |
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Now that looks like one small step for mankind
And..............Good luck Mr Gorsky wherever you are PS paint it blue |
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quinner
Grand Poobah Joined: October-12-2005 Location: Unknown Status: Offline Points: 5828 |
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Anozleb is what you need, specially formulated for reverse rotation
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MrMcD
Grand Poobah Joined: January-28-2014 Location: Folsom, CA Status: Offline Points: 3748 |
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Is that epoxy or fiberglass?
Fire it up! |
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fanofccfan
Platinum Member Joined: December-13-2009 Location: North Bend NE Status: Offline Points: 1777 |
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I hope it works. I like to see people try this kind of thing. I myself probably would not but I am certainly hoping it works out. Good luck!
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2004 196 LE Ski 1969 Marauder 19 1978 Ski
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baitkiller
Platinum Member Joined: October-11-2011 Location: SW Florida Status: Offline Points: 1693 |
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God Bless you... and good luck.
I would have tossed that thing PDQ and used it an excuse to build more horsepower. The wife would never know the difference, Parts is parts to her and they all cost money.. |
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Jesus was a bare-footer.............
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