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Tractor Pulling Discussion Forum

Farmall 300 bolt on HP

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Mark from WI

05-17-2008 20:08:28




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Is there any "bolt on HP" to put on my 300? I don't want to get into the engine and bore it. I was thinking a hotter coil, wires, plugs and a carb upgrade. I don't want to go wild just some simple upgrades because I don't pull alot maybe 2-3 times a year or am I wasting my time? Where do I look on the internet?




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ih560

05-25-2008 14:51:42




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 Re: Farmall 300 bolt on HP in reply to Mark from WI, 05-17-2008 20:08:28  
I don't really think that an MSD unit would be the way to go with EDIS,, if you did that I am pretty sure you would only get base timing and you would not have much of an advance beyond whatever you set initial timing at. You would really need to look into building a controller or buying one already built. You could run fuel injection of the tach signal from a plain old distributor but then you are stuck with the curve and advance of the springs and weights. If you want all out tuning capability, you must build a controller for the EDIS, if anyone is interested I could point them in the right direction. Also the controller could be used to run the fuel injection if you ever decided to add that later or everything at once. There are lots of formulas that you can use to get a base map for ignition and fuel, to make it run pretty good. Then all you would need is a good wide band O2 sensor and the computer would almost tune itself for the best power depending on what type of engine you set it for. Of course you need the normal EFI sensors like Coolant Temp Sensor, Intake Air temp Sensor, Throttle positioning sensor, and either a narrow or wide band O2, You can run the setup without the O2 but it makes tuning a snap with it so I don't see why anyone would go without the Wideband if they really care about power.

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jd b puller

05-18-2008 06:32:13




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 Re: Farmall 300 bolt on HP in reply to Jim Johnson, 05-17-2008 20:08:28  

Mark from WI said: (quoted from post at 00:13:19 05/18/08) Also heard that you can run high octane pump fuel and gain some HP? Don't know if that is true or not just thought I would ask don't want to sound too stupid but real new to tractor pulling.


Mark, unfortunately, adding high octane won't add any power. It may actually rob a few ponies as it's harder to light. High octane fuel lets you raise the compression/timing, which makes power.

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james rumph

05-18-2008 04:13:10




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 Re: Farmall 300 bolt on HP in reply to Mark from WI, 05-17-2008 20:08:28  

Coil yes ! If you use a auto coil make sure and use a ballest resister. Tractor coils have them built in so you don"t see them.

I use a MSD blaster coil with a ballest resister and it has smoother power , easy starting. Race fuel "no" not enough rpm and cylinder presure. Chad has been mixing 25% E-85 to prem fuel and getting great results[ bigger jetting is needed ].

I have found that the correct timing is very important, set it on the dyno under full load. Look for highest rpm forget the timing marks[ use a timing light with a digital tach in it ].

I"m sure Chad will step in and give some helpful tips , he knows these motors very well .

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ChadS

05-18-2008 09:59:25




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 Re: Farmall 300 bolt on HP in reply to james rumph, 05-18-2008 04:13:10  
Id be certain there is a few ponies hiding just in a dyno tune. Main objective is to make sure all your parts are in good working condition. Rocker arm tips and lifters being worn can rob power, so do what you can to recondition them. Carbs are straight forward,, when its running wide open with no load, you should be able to back the main load adjustment screw out and make it run rich,, if not, you need to rejet the main jet. That 300 should have the new style carb with the idle mix screw in the flange,, already has the larger metering stem like the 6 cyl carb bowls have,,, so only increase the main jet size. try a .100 drill bit thru the main jet if you cannot get enough fuel to make it run rich. Pump gas will be fine, I like ammoco fuels. Id keep the venturi small,,, to keep the best low end lugging power, so a 25 would be perfect,, its probably got a 23 in it now stock,,,, so a little bigger wont hurt much. whats the 23 and 25 mean??? Well, on the inside bore of the venturi, there are 2 digits casted. Example is a 25,, this is measured in 32nds of an inch,, so it will look like 25/32 and so on and so on. Distributors,, you want to make sure the mechanical advance is working, simply pull the cap off and snap the rotor,, if it does not have full travel all by itself, or feels weak, they might be something wrong and needs attention. 90% of em are broke or stuck, so do what you can to make these parts work. These are a few areas that will help make the ol 300 run a little better,,, but after its said and done and your ready to dyno tune it,, throw the text book technique the window for tuning,,, your main focus should be the 540 reading and slightly under 540 but no lower than 400 rpm on the pto tach on most dynos. Just by tuning it for those rpm ranges will help the best on the tracks for your basic low gear puller. Hope this helps,,, Oh and James,, did you make the E85 swap yet??? any results to report back?? the Big H is about a week out from firing up!!! ChadS

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james rumph

05-19-2008 03:26:31




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 Re: Farmall 300 bolt on HP in reply to ChadS, 05-18-2008 09:59:25  
Chad,

I have not yet tried the E-85 but will, been busy rebuilding 2 v-8s for a boat and they just went back in yesterday afternoon.

I'm needing some facory clamp on wheel hubs for my Super M , i don't want to weld them on.

You don't know of any up the Michigan way for a 2.750 axle do you ? All winter long i saw them for sale but not now !

I just also picked up a new MSD and want to see how that shakes down on the dyno, i'm just going to use the points as a trigger , can't see useing a electronic pick up .

Thanks Jim

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ChadS

05-19-2008 06:06:06




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 Re: Farmall 300 bolt on HP in reply to james rumph, 05-19-2008 03:26:31  
9 bolt hubs, or stock cast centers? I know ollie 77 hubs work on the H, maybe the 88's might fit the M?? Ive got some 9 bolt hubs laying around, Ill see what I got. Points will be fine to use as a trigger. the MSD amps up the spark the same way the Petronix does, and no current flows thru the point contacts when used as a trigger anyways with MSD. Id love to build a crank trigger system someday.
Distributorless!!! ChadS

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ih560

05-24-2008 21:42:51




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 Re: Farmall 300 bolt on HP in reply to ChadS, 05-19-2008 06:06:06  
You don't have to build a crank trigger system, they are already out there. Ford EDIS off of an escort would work fine. It is a wasted spark system. You just mount the trigger wheel and the 36 -1 gear on the main pulley. You can use it the way it is, or better yet build a controller so you can set the timing advance and curve any way that you want with a laptop. It is not that hard. I have done this myself on an old tractor and on my built truck.

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ChadS

05-25-2008 07:20:27




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 Re: Farmall 300 bolt on HP in reply to ih560, 05-24-2008 21:42:51  
Interesting!!!! Do you know that if you have that system working,, to operate the IGN,, you have the option to go EFI by using the pick up from the Escort, or the whole distributor,,, to fire the injectors, or a throttle body. Or add a second crank trigger pick up, and fire the injectors off that one. Imagine, one of these on alky, the gains could be huge!!! Tunability simplified. Chad



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ih560

05-25-2008 11:34:31




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 Re: Farmall 300 bolt on HP in reply to ChadS, 05-25-2008 07:20:27  

ChadS said: (quoted from post at 07:20:27 05/25/08) Interesting!!!! Do you know that if you have that system working,, to operate the IGN,, you have the option to go EFI by using the pick up from the Escort, or the whole distributor,,, to fire the injectors, or a throttle body. Or add a second crank trigger pick up, and fire the injectors off that one. Imagine, one of these on alky, the gains could be huge!!! Tunability simplified. Chad


You don't need anything else from the escort besides the EDIS setup. You can build a fuel injection system for really cheap. Grab a set of 42lb inectors from a Ford Lightning, make a tube intake with injectors bosses welded in it and tune it any way that you want with the same computer you built to tune the ignition advance and curve. You run the injection off of the tach signal from the igntion, unless you really want to get crazy and go sequential injection, but Bank to Bank is more than sufficient to make these old tractors really pound. And if you wanted to run sequential you would have to find a way to mount a cam positioning sensor, which is a but more difficult but still doable.

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ChadS

05-25-2008 12:58:23




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 Re: Farmall 300 bolt on HP in reply to ih560, 05-25-2008 11:34:31  
Could a MSD timing control unit, borrow the IGN signal, and use it to batch fire the injectors?? If so, you could actually change the actual injector timing by a turn of a dial, no computer needed. O2 sensor, and an adjustable fuel regulator to set rail pressure to desired performance. EFI is a good way to go,,, it can make em run wild or make em sip fuel for economy. Imagine a 560 gasser with a turbo, and EFI,,, scary power it could have!!! Chad

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ih560

05-24-2008 21:44:03




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 Re: Farmall 300 bolt on HP in reply to ih560, 05-24-2008 21:42:51  
I meant mount the 36 -1 trigger wheel and VR sensor at the front pulley.



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jd b puller

05-25-2008 07:47:07




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 Re: Farmall 300 bolt on HP in reply to ih560, 05-24-2008 21:44:03  
IH560, please contact me offline. E-mail is open.

Thanks,



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james rumph

05-20-2008 04:40:54




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 Re: Farmall 300 bolt on HP in reply to ChadS, 05-19-2008 06:06:06  

9 bolt hubs , the factory ones used with duals i believe.



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ChadS

05-23-2008 15:25:37




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 Re: Farmall 300 bolt on HP in reply to james rumph, 05-20-2008 04:40:54  
I have 3 inch M&W's,,, everything else is smaller than the M. You might look around for a set off a 88 oliver, grind the keyway down a tad and go with it. If ya dont find anything soon, Ill do some digging. Chad



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mEl

05-18-2008 03:58:42




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 Re: Farmall 300 bolt on HP in reply to Mark from WI, 05-17-2008 20:08:28  
Don't know a lot about 300s but in general the engines are putting out about the max out of the factory. If you are doing rpm limited stuff the factory carb is probably as good as you can do. A good dyno tune to optomize the timing and carb settings may gain you a couple horses. Of course a good tune up including tappet adjustment would be helpful before the dyno.



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Mark from WI

05-17-2008 20:13:19




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 Re: Farmall 300 bolt on HP in reply to Mark from WI, 05-17-2008 20:08:28  
Also heard that you can run high octane pump fuel and gain some HP? Don't know if that is true or not just thought I would ask don't want to sound too stupid but real new to tractor pulling.



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