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Case DC Antique puller

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Rustywrench1

09-20-2006 20:12:11

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Hi guys. I've been bitten by the pulling bug and would like to get more out of my DC3. It's a strong runner in the stock antique 5500 lb. class but it needs more for first place. I'm running 15.5 x 38 and 40 hp with engine set at maximum rpm of 1500 and 47 hp if I crank it up to 1700. Any cheap ideas on getting more torque out of it? I don't know the bore diameter, but it has the high compression head. I thought about advancing the cam. Has anyone tried this? Any other ideas would be appreciated!

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JR-KY

09-21-2006 14:27:04

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HERE IS DC TOM'S TRACTOR in reply to Rustywrench1, 09-20-2006 20:12:11

NICE!!!

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ncase

09-21-2006 12:01:15

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Re: Case DC Antique puller in reply to Rustywrench1, 09-20-2006 20:12:11

TWO WORDS BALANCE AND TRACTION ARE THE KEY. NEVER RUN OUT OF POWER BUT ALWAYS SPIN-OUT!!
MASTER THEM FIRST

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rustywrench1

09-21-2006 18:27:02

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Re: Case DC Antique puller in reply to ncase, 09-21-2006 12:01:15

You"re right. I spun out and it felt like she had a little left. I don"t know if she had another 9 feet in order to get first place. I"m looking at adding some weight to the front (5-10 pounds) and later down the road purchasing another drawbar support and cutting and shortening it. Most classes I pull in must maintain a drawbar otherwise I would just make a plate and fasten it to the bottom of the rearend. I"ve already tucked the drawbar under the tractor so it"s even with the end of the stock drawbar support. I also run a hitching plate that puts me at the maximum of 18" high. Thanks for your accurate correspondence.

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dboll

09-21-2006 11:49:07

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Re: Case DC Antique puller in reply to Rustywrench1, 09-20-2006 20:12:11

depends how much hp you want. I have a 331inch CC at around 80 hp, am going to stroke it this winter. for 50-60 hp get some M&W pistons, Berry Cam, head and carb work. If you mess with cam timing get a degree wheel and get/make an offset key, one tooth is too much, I personally have not messed with cam timing. Those engines run good with higher comp. and 20 to 30% over stock rpms.

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C. Amick

09-21-2006 09:18:44

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Re: Case DC Antique puller in reply to Rustywrench1, 09-20-2006 20:12:11

Post a message for Casepower. He wrote an article in this month's Old Abe News on building a DC pulling engine. Most of the modifications are expensive, but he may have some less expensive suggestions.

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CLIFF S

09-21-2006 06:07:37

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Re: Case DC Antique puller in reply to Rustywrench1, 09-20-2006 20:12:11

Are you running a MAG or a Distubitor? I switched my SC to a Distubitor and it LOUGs better! Starts Better and is a nicer running tractor and it may help yours!

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Walt Davies

09-20-2006 23:48:03

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Re: Case DC Antique puller in reply to Rustywrench1, 09-20-2006 20:12:11

When I was kid my stepdad had me advance my timing chain on my 46 Pontiac straigt 8 by two notches. I can't tell if it did any good but it did seem to burn more rubber. Th mileage was till bad though 8 MPG.

Walt

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