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Ford Tractors Discussion Forum
Show Parts for Model:

Re: 6700 256 engine

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james r

03-15-2013 14:45:55
67.142.170.21



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I took the numbers to a dealer and call 3 outher dealers with them . I guess they are still scrathing their head over them.They could not tell me anything.Y'all have told me more than anybody.




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Bern

03-15-2013 15:18:07
66.218.202.229



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 Re: 6700 256 engine in reply to james r, 03-15-2013 14:45:55  
If the bore is 4.4", and the stroke is 4.4", then it's a 268. Period. End of story.

About the only other thing you need to be aware of is the difference between turbo and non-turbo pistons. Non-turbo pistons will stick up about .010" taller than non-turbo pistons. You want a non-turbo engine's piston protrusion to be about .011-.023" above the top of the block at TDC.



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RodInNS

03-15-2013 18:11:07
216.118.158.123



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 Re: 6700 256 engine in reply to Bern, 03-15-2013 15:18:07  
Yeah... if it's got a 4.4" bore and 4.4" stroke it's a 268 but that doesn't mean every part is the same in all N/A 268 engines. Most things are exchangeable as sets but you would not want to mix and match pistons from different generation engines....

Rod



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Bern

03-15-2013 16:08:07
66.218.202.229



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 Re: 6700 256 engine in reply to Bern, 03-15-2013 15:18:07  
Oops, I meant to say non-turbo pistons stick up taller than turbo pistons. Turbo engines have a lower static compression ratio.



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james r

03-22-2013 13:25:55
67.142.170.23



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 Re: 6700 256 engine in reply to Bern, 03-15-2013 16:08:07  
i would like to thank the ones that help me. I got the new pistons in today for 268 and they fit.



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