I need help with finding correct bolts for my 215 OHV. They should the same as for the 223.

I need four bolts that connect to the back of the block (where the bellhousing would attach) so that I could attach the block to an engine stand. It seems that I need metric bolts as the standard bolts don't fit. I bought 3/8" bolts and they slide in and out of the holes. Next size up, 7/16", is too large. I've tried both bolts in coarse and fine thread.

Does any one have any clue as to what is the proper size (thickness) of the bolts needed? Any idea where I can get some?

Thanks, Ilya

 

My 1960 F100 with a 223 takes a 13/32 NC thread boly about 2" long..

 

So, if I read correctly its a 13/32" thick bolt. What does NC stand for?

Thanks, Ilya

 

NC is National Coarse thread (NF is fine thread)....that sure is a weird size, I've never seen/heard of it before.

 

Parts books says 7/16 x 14 x 3" , 13/32 is 1/32 more than 7/16".

Barry
50 F-1

 

most likly in the past the OEM ones have been stripped out and a oversized one put in there place..

 

I knew that I could count on you to come through with the exact part needed.

Thanks, Ilya