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RE: 428 Heads By salid - 02/19/2001 10:03:03 PM; IP 207.70.43.217 Jim, it looks like you have the original stuff. You are correct, the exhaust manifolds only have 8 bolt holes, so you obviously only use 8 of the holes (the diagonal ones) in the head. Brad, I think they are still available. Recognise that they are not CJ heads. They are same casting number as the ones that were installed on the 67 Shelby GT-500, although I do not know what they originally came on. They have the standard size valves and ports. I'll check on Tuesday to see if they are still available and get back to this post that night. As with any used heads, you should plan on going through them. You may (probably) want to go ahead and install hardened seats on the exhaust side and CJ sized valves. Porting, by someone who knows what they are doing, will also help performance.

This thread, so far...

Skip Navigation Links.  428 Heads -- Jim, 02/15/2001  RE: 428 Heads -- salid, 02/15/2001  RE: 428 Heads -- Jim, 02/15/2001  RE: 428 Heads -- Brad Wear, 02/19/2001 RE: 428 Heads -- salid, 02/19/2001  RE: 428 Heads -- salid, 02/21/2001

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