Best valves to use in c60

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460ford
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Best valves to use in c60

Postby 460ford » Thu Apr 23, 2020 4:23 pm

Hi I am rebuilding an engine out of a 154 cub to swap into my farmall cub
I want to get it to run as good as possible
I was planning on porting and polishing the block and manifold ,maybe get the bigger manifold off 184?
The valves and guides are loose so I want to replace them. Does anyone sell oversized valves? I saw exhaust valves with undercut stem do they help
I want to get the compression up, would I be better up with flat top pistons and a lot milled of the head or dome pistons with less milled off head?
The dome pistons seam like they would mess up the air flow in the combustion chamber
Is there any thinner head gaskets available?
Let me know if you guys know of any performance parts made for these little engines
Thanks
Gary

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Re: Best valves to use in c60

Postby Eugene » Thu Apr 23, 2020 4:34 pm

460ford wrote:Let me know if you guys know of any performance parts made for these little engines.
Waste of money. The maximum torque for the C60 engine is right at 1600 RPMs.

Best bet is to return the engine back to factor specifications and use the tractor as is.

If you need more torque/grunt on the ground, get a bigger tractor.
I have an excuse. CRS.

460ford
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Re: Best valves to use in c60

Postby 460ford » Thu Apr 23, 2020 4:54 pm

Eugene wrote:
460ford wrote:Let me know if you guys know of any performance parts made for these little engines.
Waste of money. The maximum torque for the C60 engine is right at 1600 RPMs.

Best bet is to return the engine back to factor specifications and use the tractor as is.

If you need more torque/grunt on the ground, get a bigger tractor.


I understand that I am not going to change the rpm where the engine performs best but I know that I can gain a fiew ft lbs of torque and that will calculate in to more hp
I have done similar work to single cylinder Briggs Stratton and Kohler engines and it made a very notable difference in how well they performed
Mostly I just like to build engines

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Re: Best valves to use in c60

Postby ricky racer » Thu Apr 23, 2020 7:02 pm

There are ways to get more power out of a Farmall Cub. Here are a couple of examples:

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Re: Best valves to use in c60

Postby BigBill » Thu Apr 23, 2020 11:48 pm

If you want some more pep, I often thought of porting and polishing the intake and exhaust ports. Polish the valves to a mirror finish. Do the three angle valve job, next is the exhaust manifold i think the int 154/185/184 has larger passages then my thoughts is to remove the pipe reducer and go with a larger exhaust pipe. With the zenith carb there are different diameter venturi’s. I’d go with an adjustable high speed jet too. McDonald’s ign and carb should have that stuff. Mill the head and deck the block .010” for flatness. I read somewhere about installing the farmall a /super a governor on the Cubs engine. Use the farmall a / super a distributor.
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

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Re: Best valves to use in c60

Postby BigBill » Thu Apr 23, 2020 11:48 pm

double port delete
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.

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Re: Best valves to use in c60

Postby outdoors4evr » Fri Apr 24, 2020 6:37 am

I'd just go with the dome top pistons and deck the head.
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Re: Best valves to use in c60

Postby Fordman » Fri Apr 24, 2020 7:49 am

I just finished my 53 cub and got it running. Domed pistons, milled deck and head, electronic ignition, bored .040 over, cam and gov out of a late model. It feels like it has twice the power as my 58 that doesn't run bad. I currently have the old ih carb on it too. Rebuilding a zenith to install now. The engine work was expensive but so far I am please with the performance


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