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Charlie175 
Orange Level
Joined: 11 Sep 2009
Location: Shenandoah, VA
Points: 6358
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 Topic: Daydreaming
Posted: 28 Apr 2016 at 12:08pm |
What would it take to build a competitive antique puller (Pre 1960) for the 6 mph class? Has to use stock block or (226 series) Updraft carb Stock manifold 16.9x38's top cut 20% over RPM's say 3500 lb up to 5500
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Charlie
'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD
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CAL(KS)
Orange Level
Joined: 18 Sep 2009
Location: Chapman, KS
Points: 3786
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Posted: 28 Apr 2016 at 4:20pm |
this is similar to NATPA DIV3 except DIV3 is 4mph now instead of 3.5
i see very few AC tractors competing above 4000 lbs when i look through the points so it may be pretty tough
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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cwhit
Orange Level
Joined: 12 Sep 2009
Location: Sigel IL
Points: 982
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Posted: 28 Apr 2016 at 5:44pm |
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So would 120 hp do the trick ? If so, then punch and stroke a 226 to 350 - 390 cubes. Don't know what you would do for gearing, maybe a early D17. That would have to get you in the ballpark.
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DrAllis
Orange Level Access
Joined: 12 Sep 2009
Points: 20549
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Posted: 29 Apr 2016 at 12:19pm |
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Always remember, an "M" Farmall and "88" Oliver can reach 500-550 plus cubes and the little West Allis engine is stretched at around 450.
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