MF 1450

[MFDAC]

I had a lot of work to do in the house today after working at the plant 3 hours this morning. Finally did get a hour or so to check the points cam and valves. There is plenty of movement on the cam points rod lobe. to get the .020 required gap. It will open over .035 so no issues there.

I cleaned up the valves and checked them in the guides again and there is no wiggle at all. Those guides have plenty of life left in them.

That was it for today.

DAC

 

[Propane1]

Just make sure that points rod can move freely Doug. If they stick a little that can cause trouble.
Neat tool you made.

Noel

 

[MFDAC]

Just make sure that points rod can move freely Doug. If they stick a little that can cause trouble.
Neat tool you made.

Noel

Seems to float in the bore freely, Noel. The mushroom on the cam end of it it invisible. I think the cam is going to stay in the block for this work, so the pushrod will be staying too.

I ordered a standard bore and rod rebuild kit today. I re-measured the bore again today in several places. All were within the 3.503" max measurements. Rod journal on the crank was fine too.

I thought I had a ball hone for 3-1/2" but I don't. Going to check with a couple guys at work to see if they have one I can borrow before I spend 54 bucks to buy one.

DAC

 

[MFDAC]

The overhaul kit did get here last Friday but I never had time to open the box until tonight. I think it all looks ok but need to do a bit more comparison. I still haven't rounded up a 3-1/2" hone yet. Probably going to go ahead and pull the cam and governor mechanism so the block can get a thorough cleaning after the valve lapping and cylinder hone.

DAC

 

[Propane1]

Still waiting on our kit. But I have a hone.

Noel

 

[MFDAC]

Did inventory on the gaskets seals and parts after work tonight. Looks to be everything needed to do the job! Hoping an old friend I saw Saturday night might have a hone. I've got to call him tomorrow night.

DAC

 

[MFDAC]

Finally got the "machine work" done on the block! I had ordered a 3-1/2" ball hone and it arrived a couple of days ago. Oiled everything up and went at it. Got a pretty good crosshatch I think. Made a giant oily mess too.




Cleaned up the oil mess then went ahead and lapped the valves too.


Looks like they will be fine! Next will be to clean block up better and scrape gaskets. Think assembly can start after that.

DAC

 

[Propane1]

We got our kit. I got the cylinder honed and that’s about as far as I got. Got to clean the block and crank. Got the base pan clean.

Noel

 

[chieffan]

I often wondered when to hone and when not to hone. When I had my Briggs bored I noticed no cross hatch. Asked the machinist about it. He siad you hone cast, not aluminum. Now I wonder no more.

 

[MFDAC]

The only aluminum cylinders I ever messed with was 5 hp B/S in the go-kart days. We never bored any of them. The engine I rounded up and ran for many years was a B/S 5 hp industrial, commercial. Iron sleeve and crank roller bearings. Couldn't blow that thing up running it with no governor for at least 5 years! It's still sitting on a shelf in the shop.

I wonder how the rings seat in an aluminum bore without any crosshatch? Different ring composition too?

Had a lot of stuff going on today but did get the old gaskets scraped off. Lots of cleaning to do yet.

DAC

 

[chieffan]

I wonder how the rings seat in an aluminum bore without any crosshatch? Different ring composition too?

DAC

This was a 16 hp L head I rebuilt. New piston with rings for 10 over. Haven't run it but about 1/2 hour as It did not have the right governor spring. Put up for the winter but have the right spring now.

 

[MFDAC]

This was a 16 hp L head I rebuilt. New piston with rings for 10 over. Haven't run it but about 1/2 hour as It did not have the right governor spring. Put up for the winter but have the right spring now.

I'm not familiar with that engine at all Roger, besides what you have posted about them.

Too cold to work out in the main shop tonight. Probably will be tomorrow night also. Then warmer hopefully.

DAC

 

[chieffan]

I'm not familiar with that engine at all Roger, besides what you have posted about them.

Twin cylinder, horizontal opposed used in a lot of the older lawn mower tractors and GT's. Kind of like the old flat heads. Good engine if taken care of.

 

[Cvans]

After the engine is mounted working on the starter is a pain in the hinder but they are a smooth running engine.

 

[MFDAC]

Cleaned the internals of the block for assembly and got the valves installed today. Everything went well, and the valve lash needed no adjustment!

DAC

 

[Propane1]

Lookin good Doug. Haven’t gotten any farther with mine yet.

Noel

 

[MFDAC]

Thanks, Noel. You have been way too busy moving snow to even think about building that engine!

Had business in town then physical therapy, but after that I got a couple hours in on the engine. Crank is in and the flywheel side engine plate as well.

DAC

 

[MFDAC]

Got a little done this afternoon. Piston and rod installed, along with closing it up with the new to me oil pan. If any of you remember it was a cracked oil pan and leaking fuel pump diaphragm that started this whole mess.


New rod and piston installed.

This block must not have been originally for this type of oil pan. There is putty filling those voids for this pan to work.


Pan is installed. Hopefully for the last time.


DAC

 

[KennyP]

Hope the oil doesn't seep out around the putty.

 

[Propane1]

Doug just a couple of questions. Did you slowly rotate the engine to see that the splash dipper on the rod clears the base. Pictures make it look like it might hit. Another thing is the hole in the rod to lube rod and crank. Did you put the hole toward the camshaft.
I have a couple of those engines with the different base that fits those engines. My Case 224 has that style of engine. Those cut outs are for dip sticks. Did the kit you get have two different base gaskets Doug. ?

Noel