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Original Message
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| RE: He may be correct but completly irrelevant. |
| By Gerry Proctor - 12/06/2004 8:10:39 AM; IP 216.12.192.75 |
As far as blocks go, all 390s are created equal. There is no "S" code, interceptor, or Hipo block that is any different than what went into a same year Galaxy station wagon with a 2bbl. There are some 390 blocks that had triangulation in the main web skirt bulkheads but there's no rhyme or reason as to when or where you may find these blocks, though it doesn't make a big difference whether you do or don't. The only thing to look out for is the motor mount difference between '64 and earlier and the '65 and later blocks.
391 Truck blocks are slightly different but not in any significant sense. And just so you understand, a 390 out of a truck is not a 391 truck block. There are some differences (like the distributor pilot diameter and the possibility of thicker cylinder wall material allowing for the potential for an .080" 428-sized overbore) in real heavy duty truck blocks but, again, nothing to write home about.
Same story on the 390 heads. The only difference between a '67 GT "S" code head and the '67 Galaxy wagon 2bbl head is the valve springs. They are otherwise absolutely identical. Some 390 heads are slightly (read that as very slightly) better than others but they are still pretty much the same as far as airflow and porting potential. If you post the casting numbers, just about anyone here can provide deeper insight. Or once you have the numbers, do a search on this site to find out all you will ever need to know about these particular FE heads.
So, he may be absolutely correct in the way he's pitching his merchandise. But his parts are no different than the non-descript Galaxy wagon parts. Makes them cost more, but they are identical. |
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