Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

6.9L / 7.3L Journal Sizes and Oil Clearances

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Old 12-26-2011, 12:27 PM
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6.9L / 7.3L Journal Sizes and Oil Clearances

Can any one tell me if these specifications for the 7.3L IDI are the same as the 6.9L IDI (taken from the 1992 Ford Service CD)?



Unfortunately, I do not have a manual for the 6.9 yet. Trying to measure the crank to know if it's good or if it needs to be sent out.

Any help appreciated...
 
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Old 12-26-2011, 01:37 PM
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From everything i have heard, the 6.9 and 7.3 are identical bottom ends. I say that yes that is accurate. Also fwiw, the factory tolerances apparently didnt mean squat to IH. Its very worth having the crank polished or turned and some new bearings. A balance is a big big plus. When our 92 was balanced, the difference is unbelievable.
 
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Old 12-26-2011, 01:59 PM
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Originally Posted by hairyboxnoogle
From everything i have heard, the 6.9 and 7.3 are identical bottom ends. I say that yes that is accurate. Also fwiw, the factory tolerances apparently didnt mean squat to IH. Its very worth having the crank polished or turned and some new bearings. A balance is a big big plus. When our 92 was balanced, the difference is unbelievable.
When you had yours balanced, did you have just the crank or the entire rotating assembly balanced?
 
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