Quote:
Originally Posted by steve25
I will go back and watch it again and listen more closely, maybe it was stated as 1/2 a inch Oz.
Jack to help answer your block strength question here is a copy of the 1970 production specs.
Note that the block material on all the engines is listed as being the same.
When you look at my other page shot next to the Crank listing you will see that only the 4 bolt main caps are speced as being the better more ductile Armasteel cast iron.
If the RA4 blocks where made of better cast iron I would expect that they would have a notation as being made by this better formulation of iron.
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1.5 inch ounce equates to .01 ft/lb. I priced an inch ounce torque wrench last night; nearly $400.