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Farmall & IHC Tractors Discussion Forum
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Farmall 450 engine questions?

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Rick in central

02-25-2004 18:07:50




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Was wondering did the camshaft have a higher lift lobes then on a 400 or super M? what other changes were there to the tractor?




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Dave W V

02-26-2004 04:31:21




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 Re: Farmall 450 engine questions? in reply to Rick in central MD, 02-25-2004 18:07:50  
Forgot to mention later 400 went to smaller wrist pin dia. on connecting rod and piston that 450 used.



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Dave W V

02-25-2004 20:51:01




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 Re: Farmall 450 engine questions? in reply to Rick in central MD, 02-25-2004 18:07:50  
From factory, other than a change to left hand
threads to hold cam gear on camshaft,made part
way through C281 engine production and a 1/8 larger bore on 450,most 400,450 engines are basicly the same.Early 400 didn't have a dip stick.Some 400 block casting # ended in R1 before
changing to R2 whitch went on to 450.Some advertizements say cam was changed when 400 came out.It would be different than SM,but I have never confirmed it.

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randy hall

02-25-2004 20:39:31




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 Re: Farmall 450 engine questions? in reply to Rick in central MD, 02-25-2004 18:07:50  
m, super m, 400, 450 all had the same valve lift but the 450's cam had a different duration that gives a little more lugging abilitly.



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