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Original Message
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| It's possible. |
| By Dave Shoe - 10/19/2001 9:54:26 AM; IP 216.243.158.106 |
I've wondered whether the larger pickups got beefier FE 360/390 blocks than the lighter weight trucks.
Note that the 360/390 block is the same bore. These are the same block. Also note that series 600-900 trucks from 1964-1978 got the FT. The FT is always a fully-reinforced block. Series 100-500 trucks got the FE.
100-series trucks from 1968-76 seem to have most often gotten the standard 360/390 car block, a great block, but with no reinforcements (the truck version is a lower compression version of the car engine). I've noticed that some trucks got reinforced cranksaddles in their 360/390 block. I haven't had a chance to study this very well, but this may have been in 200-series trucks, though I'm only guessing.
Perhaps 300 series trucks were also specified to get nodular maincaps. Maybe 500-series FE trucks also got the reinforced cylinder walls. All just guesses. I've seen the incremental changes in these blocks, however, and have always wondered this.
I'm keeping my eyes open to learn more, but it's tough, in part because I have little access to the larger trucks, and in part because these trucks often get "crate rebuilds" because larger trucks are used for commerce and can't afford to be out-of-action while their original engine undergoes a rebuild. With a crate rebuild, there is no way of knowing the casting features of the block which came with the truck.
Shoe. |
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