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Original Message
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| RE:352HP bit test |
| By McQ - 06/21/2004 1:41:08 PM; IP 65.176.65.214 |
Dave's post fired me up enough to pull the B9AE short block out from underneath that shelf.
The verdict: a 17/64" drill bit bit snuggly up and down all the external cylinder/water jackets in all six holes. I spent quite a lot of time running the bit up and down the walls and it fit a little looser in a couple of places but was still snug.
So this basically means that this 352HP is capable of taking a .050-.060 overbore without problems. I'm very certain this is the original engine from my '60 Sunliner that's build sheet documented as a High Performance Engine, etc. This block has a casting date of 0B10(Feb. 10, '60) which is just over two months prior to the production date of my car(4/25/60).
I have other 352 4V and 2V '60 Ford parts donors and their blocks are COAE castings. I "think" the B9AE block castings may have been selected for HP use based somewhat on a post Travis Miller made back in '02 about the '59 T-bird blocks being especially hard. It had to do with Kip Martin preferring to use the '59 block for this '64 352 SS/OA Galaxie.
The '60 352HP was the beginning of true Total Performance with the FE. It was a "skunk works" project that slipped under Robert McNamara's tight, strict bean counting management. It's an interesting story how the High Performance program came together. It's a story that I continue to research and find out more a little at a time.
The '61 HP390 block became a very unique casting. This is due to the track experience problems that became prevalent during the '60 NASCAR season. I don't currently have a '61 HP block at my disposal. I hope to someday. But I do have a friend who has a couple of '62 406's and he'll gladly do a drill bit test on them.
We'll get back to you on the 406's. |
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