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Open-Sided Ford Lgt Engine Swap


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#1 nycub122 OFFLINE  

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Posted September 16, 2013 - 05:22 AM

The Kohler K341 engine in my open-sided LGT165 is in pretty bad shape (smokes and burns oil, among other issues).

I'm thinking that, before I completely ruin this engine, I might better swap it out with a Kohler K321 engine I got from a open-sided LGT145 parts tractor, which runs and, from what I can tell, is in pretty good condition.

I've removed and installed engines in other makes of tractors before, but not on a Ford LGT. It looks pretty straight forward, but I'm wondering if any one has any tips or tricks to make this swap as easy and painless as possible.

Any suggestions would be GREATLY appreciated.

Thanks in advance

GEL


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#2 KennyP ONLINE  

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Posted September 16, 2013 - 05:54 AM

The open side probably has the pan welded in the frame, so make sure the pan from the 341 will bolt onto it. Otherwise, should be simple!



#3 milkdud OFFLINE  

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Posted September 16, 2013 - 08:03 AM

yep as kenny states.  Pan is welded in.  There are 4 bolts under the pan you have to kinda search for to get the engine free from the pan.  I hope they use the same pan, for that would be very easy for you then.

Conrad



#4 skyrydr2 ONLINE  

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Posted September 16, 2013 - 10:37 AM

 Both are open sided rigs so the swap will be easy peasy!!  Ditch the pan gasket and clean surfaces well. Use anorobic sealer on the surfaces or a silcone sealer made for tight tolerances.

 

 AND BE VERY CAREFUL ABOUT TIGHTENING THE PAN BOLTS!!! You can crack the block if done in-correctly. This is why I don't use the gasket. It can crush un evenly and ruin the block .


Edited by skyrydr2, September 16, 2013 - 10:45 AM.


#5 milkdud OFFLINE  

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Posted September 16, 2013 - 11:46 AM

 

 Both are open sided rigs so the swap will be easy peasy!!  Ditch the pan gasket and clean surfaces well. Use anorobic sealer on the surfaces or a silcone sealer made for tight tolerances.

 

 AND BE VERY CAREFUL ABOUT TIGHTENING THE PAN BOLTS!!! You can crack the block if done in-correctly. This is why I don't use the gasket. It can crush un evenly and ruin the block .

 

 

 

Really?  Good to know.  I may pull mine down this winter and take the counter weights out.  



#6 nycub122 OFFLINE  

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Posted September 22, 2013 - 06:05 AM

Got the Kohler K321AS engine removed from the 1973 Ford LGT145 open-sided parts tractor, pretty easy to do.

Yes, the oil pan is welded to the frame, as I suspected.

Also, removed the Kohler K341AS engine from the 1976 Ford LGT165 (which was smoking and burning oil BADLY. Decided to remove this engine before it was completely ruined).

Found that the oil pan was NOT welded to the frame, but rather, the engine was bolted to 2 cross members that were welded to the frame. Thinking that this was a modification done by a PO. Is this possible?

The oil pan from the K341 will bolt up to the K321, so this is not an issue.

Just wondering if what I found is truly a PO mod, or is this stock.

Will post pictures later today.

Any thoughts?

GEL



#7 firstgen89sho OFFLINE  

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Posted September 22, 2013 - 09:09 AM

In 1976 they bolted the oil pan to the frame, I have 2 open side tractors like that, and I know of Larry on the other forum, he has his loader tractor that is an open side with the same bolt on oil pan.


Edited by firstgen89sho, September 22, 2013 - 09:17 AM.

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#8 skyrydr2 ONLINE  

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Posted September 22, 2013 - 09:17 AM

Completely factory, as they mounted the engines in rubber for all the closed side rigs.

#9 nycub122 OFFLINE  

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Posted September 23, 2013 - 05:02 AM

Here is the oil pan from the 1973 LGT145 parts tractor

009.JPG

As you can see, the oil pan is welded to the frame.

 

Here is the engine mount on the 1976 LGT165

010.JPG

The oil pan bolts to the engine and is solid mounted to these 2 cross members. 

 

I am told that this is NOT a PO mod, this is factory.

 

I will be installing the engine from the 1973 LGT145 (Kohler K321AS) into the

1976 LGT165, using the oil pan from the Kohler K341AS that was in the LGT165.

 

Will keep you posted on progress.

GEL


Edited by nycub122, September 23, 2013 - 05:10 AM.

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#10 KennyP ONLINE  

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Posted September 23, 2013 - 06:33 AM

Glad to see this going well. I got mixed up earlier and thought both pans were welded in. Good to know they had a bolt in for the 1976 models!



#11 skyrydr2 ONLINE  

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Posted September 23, 2013 - 08:44 AM

That was a factory mod for late model '76 units . I have an LGT 100 with that very same setup. You may also notice ( reare) different throttle linkage and blower shrouds too. As Kohler geared up for the '77 model year early.

#12 nycub122 OFFLINE  

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Posted September 28, 2013 - 05:25 AM

So, I've got the Kohler K321AS engine cleaned and painted and ready to install in the LGT165.
As mentioned, the oil pan bolts to the engine, then the oil pan bolts to the frame mounts.
Should I use an oil pan gasket or a high temperature sealant(or both) to make a leak proof seal?
Any thoughts would be appreciated.
Thanks
GEL



#13 KennyP ONLINE  

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Posted September 28, 2013 - 07:10 AM

Since the pan only has 4 bolts, I'd opt for the gasket, myself!



#14 skyrydr2 ONLINE  

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Posted September 28, 2013 - 07:32 AM

Be very careful!! I have 2 Kohlerblocks that are cracked from improper installation! ( rigs i picked up a year ago both had cracked blocks from this).
I like to use the stuff used to seal engine crankcases on all the new hybrid engines. Its tough and seals wicked.




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