Seeing flame

[davidfindlay 49]

My 1984 B Series has been underpowered lately and I just noticed this when I ran it with the engine exposed.

 

Any suggestion as to what I can do about it?

 

Edited September 23, 2022 by davidfindlay
Hadn’t finished typing

[Heatingman 971]

You need a new head for that motor. With a breach in the head, you wont develop much compression, and inturn low power.

 

If you can weld, that may buy you some time, but no guarantee.

Edited September 23, 2022 by Heatingman

[ebinmaine 67,484]

6 hours ago, davidfindlay said:

1984 B Series

That looks like a Tecumseh engine. Wouldn't have been used in either a B series which was 1974-77 with a horizontal shaft... Or a 1984 anything.  

 

Do you have model numbers of the tractor or engine?

 

4 hours ago, Heatingman said:

You need a new head for that

Could the head be warped enough and/or the gasket blown out to cause that?

 

 

[Ed Kennell 38,170]

 to the  David.          Call Lincoln at @A-Z Tractor  for a new head.

[Pullstart 62,851]

Wow!  I’ve never seen anything like that!

[davidfindlay 49]

Thank you for all the replies. It didn’t occur to me to mention which engine it was when I posted last night, sorry.

 

Edited September 23, 2022 by davidfindlay
Image

[ebinmaine 67,484]

3 minutes ago, davidfindlay said:

Thank you for all the replies. It didn’t occur to me to mention which engine it was when I posted last night, sorry.

 

 

That's not the same engine as what's in the video that my phone downloads...

 

 

 

Irregardless to that. Have you had the head off?

Check the cylinder head gasket?

Hand planed the cylinder head?

 

[davidfindlay 49]

4 minutes ago, ebinmaine said:

 

That's not the same engine as what's in the video that my phone downloads...

 

It is, I just cropped the video.

 

4 minutes ago, ebinmaine said:

 

 

 

Irregardless to that. Have you had the head off?

Check the cylinder head gasket?

Hand planed the cylinder head?

 

 

I haven't done anything to try and fix it yet no. Do I need any special tools to take it off? (I have various general tools and a couple of socket sets but not any specialized mechanic tools.)

[ebinmaine 67,484]

1 minute ago, davidfindlay said:

. Do I need any special tools to take it off? (I have various general tools and a couple of socket sets but not any specialized mechanic tools.)

 

No no. You'll be fine with that. That's all nuts and bolts type stuff.

 

To reinstall the head you're going to need a torque wrench.

 

Hand flattening of a cylinder head can be done by pretty much anyone. It's a bit time-consuming but it's easy to do. You need a very flat surface like a piece of Steel or thick glass that you can take sandpaper to.

 

First things first of course though. You'll need to get it disassembled and get some more pictures so we can see what the actual defect is.

 

[davidfindlay 49]

1 minute ago, ebinmaine said:

 

No no. You'll be fine with that. That's all nuts and bolts type stuff.

 

Great!

 

1 minute ago, ebinmaine said:

 

To reinstall the head you're going to need a torque wrench.

 

I have one of those, fortunately.

 

1 minute ago, ebinmaine said:

 

Hand flattening of a cylinder head can be done by pretty much anyone. It's a bit time-consuming but it's easy to do. You need a very flat surface like a piece of Steel or thick glass that you can take sandpaper to.

 

First things first of course though. You'll need to get it disassembled and get some more pictures so we can see what the actual defect is.

 

 

Will do, thanks for the advice.

[Heatingman 971]

You will need a torque wrench to reinstall the repaired/new head.

 

15 to 20 ft lbs if memory serves for those head bolts

[davidfindlay 49]

7 minutes ago, Heatingman said:

You will need a torque wrench to reinstall the repaired/new head.

 

15 to 20 ft lbs if memory serves for those head bolts

 

Thanks. I have a PDF of the service manual. I looked just now and found the "Cylinder Head Fastener Torque Sequence" figure in there. For K161/181 it says 15-20 ft. lbs. but for K241/K301/K321/K341 it says 25-30 ft. lbs.

[Snoopy11 5,714]

Expensive new:

 

https://isavetractors.com/cylinder-head-for-kohler-k241-k301-k321-m10-m12-m14-engines/

 

Cheap used:

 

https://www.ebay.com/itm/134244386079?hash=item1f4196c51f:g:6kQAAOSw-8pjK5k6&amdata=enc%3AAQAHAAAAoDmHkvdcLgcw6QRkMpGE%2FHNaAhozMlJPlDk5HAqm8jkUuoULQ%2BBh9tFXI%2FaDpWvhejJL2jcVWUCusUgEpmnDBjkE4OBcqnEGMD4bwb0L5YN9Om3u91cUFMfhCbLhyWWd7AO2Ft0Gd5ugyHwSybj1LUGxtDKkeHFT4FIY1WZ3Dub0GJYM%2BYjB2H8YbA1fsBvQq%2FVAXc7HgwEzmZfxSxQ9c%2FA%3D|tkp%3ABk9SR8yA1K_tYA

 

Don

[ebinmaine 67,484]

3 minutes ago, Snoopy11 said:

used:

It's important to remember that the bolts included in that package should not be used because you don't know the history of them. Also, that used cylinder head will still need to be hand planed. 

 

I would absolutely not recommend buying anything at all until disassembly and diagnosis has been completed and agreed upon.

 

I would recommend buying from Lincoln at A to Z if possible which is an approved vendor of Red Square. 

[The Freightliner Guy 1,327]

Great advice EB like you said you don’t know what condition those bolts are or have been in

[pacer 3,169]

I agree in that - do not buy a new head or ... really anything til you get that off and get us a couple good pics (like the ones youve already made) so it can be determined just what is going on. And as mentioned removal of the head is truly simple, maybe half hour.

[Snoopy11 5,714]

8 minutes ago, ebinmaine said:

I would recommend buying from Lincoln at A to Z if possible which is an approved vendor of Red Square. 

Yessir... I was just letting the OP know that there are options... so hopefully the OP won't give up on this old engine!

 

Don

[davidfindlay 49]

3 minutes ago, Snoopy11 said:

Yessir... I was just letting the OP know that there are options... so hopefully the OP won't give up on this old engine!

 

Don

 

I definitely don't want to give up on it: this has been the best tractor I've had.

[ebinmaine 67,484]

Just now, davidfindlay said:

 

I definitely don't want to give up on it: this has been the best tractor I've had.

OF COURSE IT IS !!!

 

[davidfindlay 49]

6 minutes ago, pacer said:

I agree in that - do not buy a new head or ... really anything til you get that off and get us a couple good pics (like the ones youve already made) so it can be determined just what is going on. And as mentioned removal of the head is truly simple, maybe half hour.

 

I have to work today but will try and get the head off over the weekend.

[squonk 41,104]

If you need a head, I have one PM if needed  

[The Freightliner Guy 1,327]

Oh look squonker has one how nice of him  truely 

[Snoopy11 5,714]

3 minutes ago, squonk said:

If you need a head, I have one PM if needed

Addendum that you should add to that, Mike. You only get the cylinder head if you become a supporter on the forum.

 

Don

[davidfindlay 49]

6 minutes ago, Snoopy11 said:

Addendum that you should add to that, Mike. You only get the cylinder head if you become a supporter on the forum.

 

Don

 

Absolutely.

[95 Truck 17]

After watching video and seeing where the lighting show is taking place, then looking at head posted, you sir will need the head offered up. It looks to be cracked or burned thru.

As some else said it will explain your low on power statement.