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Tractor Pulling Discussion Forum

Farmall 450

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Briscoe

10-21-2006 17:51:53




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Help please. I have a Farmall 450 gas that weighs in at 8000 lbs, with fluid in rear tires.
The tires are good but I am always at the bottom of the pulls for distance. The tractor is bone stock. Some suggestions for enhanced performance would be appreciated. I pull in Va. In the middle of the state.
Thanks




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Josh Caplinger

11-01-2006 15:59:53




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 Re: Farmall 450 in reply to Briscoe, 10-21-2006 17:51:53  
hey if you can find a set of firestones they are good. I have a set on are 450 that we pull and finish's top 4.



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RedTracks

10-21-2006 19:14:57




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 Re: Farmall 450 in reply to Briscoe, 10-21-2006 17:51:53  
We need more details. What class are you competing in Farm Stock? I assume your tires break traction and spin rather than powering out because you do have a working torque amplifier, correct? A 450 should be much more competitive than you describe. Consider getting rid of the fluid so you can shift more weight to the drawbar with suitcase weights, etc. Check the pulling rules for hitch height and length. If your front tires don't lift off the track during the latter stage of the pull you're weighted too heavy in the front. At the point where the front tires lift -- weight transfer is complete -- maximum down pressue is exerted on the rear traction tires. If the front tires lift too high, you lose hitch height and down pressure on the pulling tires so add more weight in front. You must adjust the weight placement on your tractor to match the conditions of the track. Experiment with tire pressure -- hard track, higher pressure -- soft track, lower pressue. Keep enough air in to avoid excessive sidewall buckling. Video your tractor and the competition during the pulls -- review the results and make adjustments. Keep a notebook on the track conditions, tire pressure, hitch height, hitch point from the center of rear axle, weight distribution etc., If the rules allow a few extra pounds overweight you have another choice to make. And above all -- have fun!

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mark_ih4ever

10-22-2006 14:10:15




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 Re: Farmall 450 in reply to RedTracks, 10-21-2006 19:14:57  
Red tracks seems on track, be sure to do some things he suggested. I have a 450 it weighs 5500lb with me on it and 18.4's.

Check the rules where you pull...you can make several easy changes to make you more competative. Shorten the hitch (not lower), put a stiffer spring in the governor(old bed spring), and reset your valves are a few cheap easy things you can do to start. Myself I would definitely get a different set of tires or atleast get rid of the fluid....you should be pulling 6000lb and up to 8000lb. Then learn how to balance your machine as per red tracks. Most people think they can win if they make big power, which is not entirely true.....I have beat some 115 hp plus tractors in the 10000 lb class with mine, it runs 62 hp.

Good Luck

450 farmalls rule!

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VOLfarmall

10-31-2006 15:32:32




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 Re: Farmall 450 in reply to mark_ih4ever, 10-22-2006 14:10:15  
what do set the valves on,what kinda head are you running? thanks for any infro



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mark_ih4ever

11-14-2006 13:19:00




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 Re: Farmall 450 in reply to VOLfarmall, 10-31-2006 15:32:32  
0.017 is the stock setting for both intake and exhaust. If running a stock cam you could go a bit tighter.



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Dave in MN

10-21-2006 20:35:27




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 Re: Farmall 450 in reply to RedTracks, 10-21-2006 19:14:57  
Just a few thoughts to add to Redtracks (who was right on in everything he said). I have a 400 that I can get down to 5800 with 18.4X38 tires and me on it. Lose the pto if rules allow. Definately lose the fluid in rear tires. I have same bore/stroke as you, engine dyno'd at 58hp. I'm very comptative in 65-7500# but hard to compete with the green 820's in the 8500. I guess victory is sweeter when you get your butt kicked on a regular basis!

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wolfman

10-21-2006 18:59:25




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 Re: Farmall 450 in reply to Briscoe, 10-21-2006 17:51:53  
If it is a dead weight pull, add 1000 lbs to rear wheels and you'd be unbeatable. If it is weight transfer, you'll have to get pressed steel or aluminum wheels and no fluid and get it down to 5500 lbs. 8000 lb tractors that you are pulling against likely have up to 200 hp and you don't have a chance. I know- they get by as stock but they aren't. My poor old neighbor is pulling a JD 60 in low gear and the tractor following him (called stock) is a 4010 with a 4440 block and a 4840 pump and pulls in 7th gear. And the neighbor wants to try new tires!!!

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