I should have added it is where the coil was mounted on other engine applications, like when the BD (black diamond) engine was used in trucks. You should see a flat spot on the 460 head where the bolts would be but were not used in that application. Also, if you look at a lot of the blocks you will see a casting indentation near center of block where the throttle linkage would have been run through the block when used in a truck. Just thought I would throw that in. I remember when we got our first 560 at the dealer ship, I said , they put a truck engine in her.
Re: C301 out of an 806 two mystery bolts in head in reply to pete 23, 03-07-2013 18:56:22
thanks for the info, the only reason I was questioning the holes was because they are drilled and tapped all the way through. You are right about the 221 head it has the same flat places but no holes drilled or tapped.
p.s. Got it running last night and it sounds great. Now I just have to finish putting everything back together. Once again thanks for the info.
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