Original Message
what is this block, 390 truck or 428cj
By whitt russell - 09/11/2001 10:45:24 PM; IP 205.188.192.37
I am trying to find out what block I have, I've been able to id most of the parts but the block. The motor has been rebuilt and has many different parts in it, the heads are c8ae-h, the crank 3u, the rods c7ae-b. I know what these parts are, the heads and crank 390 but the rods are 428. The block has no casting numbers on it, the front has 65 and below it is the 352. On the back is a 26 and below that is 352A, it has heavy main caps. The mold code is A Dif and the casting date is 0D29. I was told to look in the center freeze plug for "428" casting but I found "352". So what do I have a '70 390 truck block or a '70 cobra jet block? Thanks for the help.
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Collapse <b>what is this block, 390 truck or 428cj</b>&nbsp;-- <font color=#0000ff>whitt russell, <i>09/11/2001</i></font>what is this block, 390 truck or 428cj -- whitt russell, 09/11/2001
 The rods are not 428 rods. -- Dave Shoe, 09/12/2001
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